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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Data;
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using System.Data.SqlClient;
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using System.Collections;
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using System.Configuration;
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namespace DSWeb.DataAccess
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{
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/// <summary>
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/// 数据库的通用访问代码
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/// 此类为抽象类，不允许实例化，在应用时直接调用即可
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/// </summary>
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public abstract class SqlHelper
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{
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//获取数据库连接字符串，其属于静态变量且只读，项目中所有文档可以直接使用，但不能修改
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public static readonly string ConnectionStringLocalTransaction = ConfigurationManager.ConnectionStrings["DongShengDB"].ConnectionString;
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//public static readonly string CSLTDSDB = ConfigurationManager.ConnectionStrings["dscustserviceDB"].ConnectionString;
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//public static readonly string ConnectionStringInventoryDistributedTransaction = ConfigurationManager.ConnectionStrings["SQLConnString2"].ConnectionString;
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//public static readonly string ConnectionStringOrderDistributedTransaction = ConfigurationManager.ConnectionStrings["SQLConnString3"].ConnectionString;
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//public static readonly string ConnectionStringProfile = ConfigurationManager.ConnectionStrings["SQLProfileConnString"].ConnectionString;
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// 哈希表用来存储缓存的参数信息，哈希表可以存储任意类型的参数。
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private static Hashtable parmCache = Hashtable.Synchronized(new Hashtable());
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private static SqlConnection _sqlConnection;
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/// <summary>
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///执行一个不需要返回值的SqlCommand命令，通过指定专用的连接字符串。
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/// 使用参数数组形式提供参数列表
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/// </summary>
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/// <remarks>
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/// 使用示例：
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/// int result = ExecuteNonQuery(connString, CommandType.StoredProcedure, "PublishOrders", new SqlParameter("@prodid", 24));
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/// </remarks>
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/// <param name="connectionString">一个有效的数据库连接字符串</param>
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/// <param name="commandType">SqlCommand命令类型 (存储过程， T-SQL语句， 等等。)</param>
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/// <param name="commandText">存储过程的名字或者 T-SQL 语句</param>
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/// <param name="commandParameters">以数组形式提供SqlCommand命令中用到的参数列表</param>
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/// <returns>返回一个数值表示此SqlCommand命令执行后影响的行数</returns>
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public static int ExecuteNonQuery(string connectionString, CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
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{
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SqlCommand cmd = new SqlCommand();
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using (SqlConnection conn = new SqlConnection(connectionString))
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{
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//通过PrePareCommand方法将参数逐个加入到SqlCommand的参数集合中
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PrepareCommand(cmd, conn, null, cmdType, cmdText, commandParameters);
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int val = cmd.ExecuteNonQuery();
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//清空SqlCommand中的参数列表
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cmd.Parameters.Clear();
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return val;
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}
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}
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/// <summary>
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///执行一条不返回结果的SqlCommand，通过一个已经存在的数据库连接
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/// 使用参数数组提供参数
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/// </summary>
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/// <remarks>
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/// 使用示例：
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/// int result = ExecuteNonQuery(conn, CommandType.StoredProcedure, "PublishOrders", new SqlParameter("@prodid", 24));
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/// </remarks>
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/// <param name="conn">一个现有的数据库连接</param>
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/// <param name="commandType">SqlCommand命令类型 (存储过程， T-SQL语句， 等等。)</param>
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/// <param name="commandText">存储过程的名字或者 T-SQL 语句</param>
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/// <param name="commandParameters">以数组形式提供SqlCommand命令中用到的参数列表</param>
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/// <returns>返回一个数值表示此SqlCommand命令执行后影响的行数</returns>
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public static int ExecuteNonQuery(SqlConnection connection, CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
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{
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SqlCommand cmd = new SqlCommand();
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PrepareCommand(cmd, connection, null, cmdType, cmdText, commandParameters);
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int val = cmd.ExecuteNonQuery();
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cmd.Parameters.Clear();
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return val;
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}
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/// <summary>
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/// 执行一条不返回结果的SqlCommand，通过一个已经存在的数据库事物处理
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/// 使用参数数组提供参数
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/// </summary>
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/// <remarks>
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/// 使用示例：
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/// int result = ExecuteNonQuery(trans, CommandType.StoredProcedure, "PublishOrders", new SqlParameter("@prodid", 24));
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/// </remarks>
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/// <param name="trans">一个存在的 sql 事物处理</param>
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/// <param name="commandType">SqlCommand命令类型 (存储过程， T-SQL语句， 等等。)</param>
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/// <param name="commandText">存储过程的名字或者 T-SQL 语句</param>
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/// <param name="commandParameters">以数组形式提供SqlCommand命令中用到的参数列表</param>
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/// <returns>返回一个数值表示此SqlCommand命令执行后影响的行数</returns>
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public static DataSet ExecuteQueryDataset(SqlTransaction trans, CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
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{
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DataSet ds = null;
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SqlCommand cmd = new SqlCommand();
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PrepareCommand(cmd, trans.Connection, trans, cmdType, cmdText, commandParameters);
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using (SqlDataAdapter da = new SqlDataAdapter(cmd))
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{
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ds = new DataSet();
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// Fill the DataSet using default values for DataTable names, etc
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da.Fill(ds);
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// Detach the SqlParameters from the command object, so they can be used again
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cmd.Parameters.Clear();
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}
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return ds;
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}
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/// <summary>
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/// 执行一条不返回结果的SqlCommand，通过一个已经存在的数据库事物处理
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/// 使用参数数组提供参数
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/// </summary>
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/// <remarks>
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/// 使用示例：
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/// int result = ExecuteNonQuery(trans, CommandType.StoredProcedure, "PublishOrders", new SqlParameter("@prodid", 24));
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/// </remarks>
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/// <param name="trans">一个存在的 sql 事物处理</param>
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/// <param name="commandType">SqlCommand命令类型 (存储过程， T-SQL语句， 等等。)</param>
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/// <param name="commandText">存储过程的名字或者 T-SQL 语句</param>
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/// <param name="commandParameters">以数组形式提供SqlCommand命令中用到的参数列表</param>
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/// <returns>返回一个数值表示此SqlCommand命令执行后影响的行数</returns>
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public static SqlDataReader ExecuteQueryReader(SqlTransaction trans, CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
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{
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SqlCommand cmd = new SqlCommand();
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PrepareCommand(cmd, trans.Connection, trans, cmdType, cmdText, commandParameters);
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SqlDataReader val = cmd.ExecuteReader();
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cmd.Parameters.Clear();
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return val;
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}
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/// <summary>
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/// 执行一条不返回结果的SqlCommand，通过一个已经存在的数据库事物处理
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/// 使用参数数组提供参数
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/// </summary>
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/// <remarks>
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/// 使用示例：
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/// int result = ExecuteNonQuery(trans, CommandType.StoredProcedure, "PublishOrders", new SqlParameter("@prodid", 24));
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/// </remarks>
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/// <param name="trans">一个存在的 sql 事物处理</param>
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/// <param name="commandType">SqlCommand命令类型 (存储过程， T-SQL语句， 等等。)</param>
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/// <param name="commandText">存储过程的名字或者 T-SQL 语句</param>
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/// <param name="commandParameters">以数组形式提供SqlCommand命令中用到的参数列表</param>
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/// <returns>返回一个数值表示此SqlCommand命令执行后影响的行数</returns>
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public static int ExecuteNonQuery(SqlTransaction trans, CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
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{
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SqlCommand cmd = new SqlCommand();
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PrepareCommand(cmd, trans.Connection, trans, cmdType, cmdText, commandParameters);
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cmd.CommandTimeout = 120000; //要加这一句
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int val = cmd.ExecuteNonQuery();
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cmd.Parameters.Clear();
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return val;
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}
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/// <summary>
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/// 执行一条返回结果集的SqlCommand命令，通过专用的连接字符串。
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/// 使用参数数组提供参数
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/// </summary>
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/// <remarks>
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/// 使用示例：
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/// SqlDataReader r = ExecuteReader(connString, CommandType.StoredProcedure, "PublishOrders", new SqlParameter("@prodid", 24));
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/// </remarks>
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/// <param name="connectionString">一个有效的数据库连接字符串</param>
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/// <param name="commandType">SqlCommand命令类型 (存储过程， T-SQL语句， 等等。)</param>
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/// <param name="commandText">存储过程的名字或者 T-SQL 语句</param>
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/// <param name="commandParameters">以数组形式提供SqlCommand命令中用到的参数列表</param>
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/// <returns>返回一个包含结果的SqlDataReader</returns>
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public static SqlDataReader ExecuteReader(string connectionString, CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
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{
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SqlCommand cmd = new SqlCommand();
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SqlConnection conn = new SqlConnection(connectionString);
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// 在这里使用try/catch处理是因为如果方法出现异常，则SqlDataReader就不存在，
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//CommandBehavior.CloseConnection的语句就不会执行，触发的异常由catch捕获。
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//关闭数据库连接，并通过throw再次引发捕捉到的异常。
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try
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{
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PrepareCommand(cmd, conn, null, cmdType, cmdText, commandParameters);
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SqlDataReader rdr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
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cmd.Parameters.Clear();
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return rdr;
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}
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catch
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{
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conn.Close();
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conn.Dispose();
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throw;
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}
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}
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/// <summary>
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/// 执行一条返回第一条记录第一列的SqlCommand命令，通过专用的连接字符串。
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/// 使用参数数组提供参数
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/// </summary>
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/// <remarks>
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/// 使用示例：
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/// Object obj = ExecuteScalar(connString, CommandType.StoredProcedure, "PublishOrders", new SqlParameter("@prodid", 24));
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/// </remarks>
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/// <param name="connectionString">一个有效的数据库连接字符串</param>
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/// <param name="commandType">SqlCommand命令类型 (存储过程， T-SQL语句， 等等。)</param>
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/// <param name="commandText">存储过程的名字或者 T-SQL 语句</param>
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/// <param name="commandParameters">以数组形式提供SqlCommand命令中用到的参数列表</param>
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/// <returns>返回一个object类型的数据，可以通过 Convert.To{Type}方法转换类型</returns>
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public static object ExecuteScalar(string connectionString, CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
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{
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SqlCommand cmd = new SqlCommand();
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using (SqlConnection connection = new SqlConnection(connectionString))
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{
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PrepareCommand(cmd, connection, null, cmdType, cmdText, commandParameters);
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object val = cmd.ExecuteScalar();
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cmd.Parameters.Clear();
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return val;
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}
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}
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/// <summary>
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/// 执行一条返回第一条记录第一列的SqlCommand命令，通过已经存在的数据库连接。
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/// 使用参数数组提供参数
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/// </summary>
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/// <remarks>
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/// 使用示例：
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/// Object obj = ExecuteScalar(connString, CommandType.StoredProcedure, "PublishOrders", new SqlParameter("@prodid", 24));
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/// </remarks>
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/// <param name="conn">一个已经存在的数据库连接</param>
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/// <param name="commandType">SqlCommand命令类型 (存储过程， T-SQL语句， 等等。)</param>
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/// <param name="commandText">存储过程的名字或者 T-SQL 语句</param>
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/// <param name="commandParameters">以数组形式提供SqlCommand命令中用到的参数列表</param>
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/// <returns>返回一个object类型的数据，可以通过 Convert.To{Type}方法转换类型</returns>
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public static object ExecuteScalar(SqlConnection connection, CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
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{
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SqlCommand cmd = new SqlCommand();
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PrepareCommand(cmd, connection, null, cmdType, cmdText, commandParameters);
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object val = cmd.ExecuteScalar();
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cmd.Parameters.Clear();
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return val;
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}
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/// <summary>
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/// 执行 SQL 语句
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/// </summary>
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/// <param name="sql">SQL 语句</param>
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/// <param name="p">参数集</param>
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/// <returns></returns>
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public static DataTable ExecuteSql(string sql)
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{
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//创建命令
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SqlCommand comm = new SqlCommand()
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{
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CommandText = sql//SQL语句
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};
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return ExecuteSearch(comm, null);
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}
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/// <summary>
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/// 执行 SQL 语句
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/// </summary>
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/// <param name="comm">执行的命令</param>
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/// <param name="p">参数集</param>
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/// <returns>查询的结果集</returns>
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private static DataTable ExecuteSearch(SqlCommand comm, params SqlParameter[] p)
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{
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//获得返回集实例
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//_result = Utility.Result.GetInstance();
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DataTable dt = new DataTable();
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//创建连接
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using (SqlConnection conn = new SqlConnection(ConnectionStringLocalTransaction))
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{
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//设置参数
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if (p != null && p.Length > 0)
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{
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foreach (SqlParameter item in p)
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{
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comm.Parameters.Add(item);
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}
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}
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comm.Connection = conn;
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SqlDataAdapter da = new SqlDataAdapter(comm);
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//填充数据
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da.Fill(dt);
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conn.Close();
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conn.Dispose();
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}
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return dt;
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}
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/// <summary>
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/// 执行一条计算查询结果语句，返回查询结果（object）。
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/// </summary>
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/// <param name="SQLString">计算查询结果语句</param>
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/// <returns>查询结果（object）</returns>
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public static object GetSingle(string connectionString, string SQLString)
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{
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using (SqlConnection connection = new SqlConnection(connectionString))
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{
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using (SqlCommand cmd = new SqlCommand(SQLString, connection))
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{
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try
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{
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connection.Open();
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object obj = cmd.ExecuteScalar();
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if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
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{
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return null;
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}
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else
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{
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return obj;
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}
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}
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catch (System.Data.SqlClient.SqlException e)
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{
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connection.Close();
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throw e;
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}
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}
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}
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}
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/// <summary>
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/// 缓存参数数组
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/// </summary>
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/// <param name="cacheKey">参数缓存的键值</param>
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/// <param name="cmdParms">被缓存的参数列表</param>
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public static void CacheParameters(string cacheKey, params SqlParameter[] commandParameters)
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{
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parmCache[cacheKey] = commandParameters;
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}
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/// <summary>
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/// 获取被缓存的参数
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/// </summary>
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/// <param name="cacheKey">用于查找参数的KEY值</param>
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/// <returns>返回缓存的参数数组</returns>
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public static SqlParameter[] GetCachedParameters(string cacheKey)
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{
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SqlParameter[] cachedParms = (SqlParameter[])parmCache[cacheKey];
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if (cachedParms == null)
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return null;
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//新建一个参数的克隆列表
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SqlParameter[] clonedParms = new SqlParameter[cachedParms.Length];
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//通过循环为克隆参数列表赋值
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for (int i = 0, j = cachedParms.Length; i < j; i++)
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//使用clone方法复制参数列表中的参数
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clonedParms[i] = (SqlParameter)((ICloneable)cachedParms[i]).Clone();
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return clonedParms;
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}
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/// <summary>
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/// 为执行命令准备参数
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/// </summary>
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/// <param name="cmd">SqlCommand 命令</param>
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/// <param name="conn">已经存在的数据库连接</param>
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/// <param name="trans">数据库事物处理</param>
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|
/// <param name="cmdType">SqlCommand命令类型 (存储过程， T-SQL语句， 等等。)</param>
|
|
|
/// <param name="cmdText">Command text，T-SQL语句 例如 Select * from Products</param>
|
|
|
/// <param name="cmdParms">返回带参数的命令</param>
|
|
|
private static void PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, CommandType cmdType, string cmdText, SqlParameter[] cmdParms)
|
|
|
{
|
|
|
|
|
|
//判断数据库连接状态
|
|
|
if (conn.State != ConnectionState.Open)
|
|
|
conn.Open();
|
|
|
|
|
|
cmd.Connection = conn;
|
|
|
cmd.CommandText = cmdText;
|
|
|
|
|
|
//判断是否需要事物处理
|
|
|
if (trans != null)
|
|
|
cmd.Transaction = trans;
|
|
|
|
|
|
cmd.CommandType = cmdType;
|
|
|
|
|
|
if (cmdParms != null)
|
|
|
{
|
|
|
foreach (SqlParameter parm in cmdParms)
|
|
|
cmd.Parameters.Add(parm);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 事务操作 ADD 2011-4-2 JHQ
|
|
|
/// </summary>
|
|
|
/// <param name="con"></param>
|
|
|
/// <returns></returns>
|
|
|
public static SqlTransaction BeginTransaction(string con)
|
|
|
{
|
|
|
//SqlConnection connection = new SqlConnection(con);
|
|
|
_sqlConnection = new SqlConnection(con);
|
|
|
_sqlConnection.Open();
|
|
|
SqlTransaction tran = _sqlConnection.BeginTransaction();
|
|
|
return tran;
|
|
|
}
|
|
|
|
|
|
#region z
|
|
|
/// <summary>
|
|
|
/// Execute a SqlCommand (that returns a resultset and takes no parameters) against the database specified in
|
|
|
/// the connection string.
|
|
|
/// </summary>
|
|
|
/// <remarks>
|
|
|
/// e.g.:
|
|
|
/// DataSet ds = ExecuteDataset(connString, CommandType.StoredProcedure, "GetOrders");
|
|
|
/// </remarks>
|
|
|
/// <param name="connectionString">A valid connection string for a SqlConnection</param>
|
|
|
/// <param name="commandType">The CommandType (stored procedure, text, etc.)</param>
|
|
|
/// <param name="commandText">The stored procedure name or T-SQL command</param>
|
|
|
/// <returns>A dataset containing the resultset generated by the command</returns>
|
|
|
public static DataSet ExecuteDataset(string connectionString, CommandType commandType, string commandText)
|
|
|
{
|
|
|
DataSet ds = null;
|
|
|
bool mustCloseConnection = false;
|
|
|
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
|
|
|
|
|
|
SqlCommand command = null;
|
|
|
using (SqlConnection connection = new SqlConnection(connectionString))
|
|
|
{
|
|
|
if (connection.State != ConnectionState.Open)
|
|
|
{
|
|
|
mustCloseConnection = true;
|
|
|
connection.Open();
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
mustCloseConnection = false;
|
|
|
}
|
|
|
command = new SqlCommand();
|
|
|
// Associate the connection with the command
|
|
|
command.Connection = connection;
|
|
|
|
|
|
// Set the command text (stored procedure name or SQL statement)
|
|
|
command.CommandText = commandText;
|
|
|
using (SqlDataAdapter da = new SqlDataAdapter(command))
|
|
|
{
|
|
|
ds = new DataSet();
|
|
|
|
|
|
// Fill the DataSet using default values for DataTable names, etc
|
|
|
da.Fill(ds);
|
|
|
|
|
|
// Detach the SqlParameters from the command object, so they can be used again
|
|
|
command.Parameters.Clear();
|
|
|
|
|
|
if (mustCloseConnection)
|
|
|
{
|
|
|
connection.Close();
|
|
|
connection.Dispose();
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
return ds;
|
|
|
}
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
#region 直接执行语句返回数据集或执行结果true/false
|
|
|
/// <summary>
|
|
|
/// 直接执行语句返回数据集
|
|
|
/// </summary>
|
|
|
/// <param name="connectionstring">数据库连接字符串</param>
|
|
|
/// <param name="sqltext">查询语句</param>
|
|
|
/// <returns></returns>
|
|
|
public static DataSet OpenSqlDataSet(string connectionstring, string sqltext)
|
|
|
{
|
|
|
SqlConnection Conn = new SqlConnection(connectionstring);
|
|
|
// Conn.ConnectionTimeout=600;
|
|
|
Conn.Open();
|
|
|
DataSet MyDataSet = new DataSet();
|
|
|
try
|
|
|
{
|
|
|
SqlDataAdapter MyAdapter = new SqlDataAdapter(sqltext, Conn);
|
|
|
MyAdapter.SelectCommand.CommandTimeout = 6000;
|
|
|
MyAdapter.Fill(MyDataSet);
|
|
|
}
|
|
|
catch(Exception e)
|
|
|
{
|
|
|
MyDataSet = null;
|
|
|
throw e;
|
|
|
}
|
|
|
finally
|
|
|
{
|
|
|
Conn.Close();
|
|
|
Conn.Dispose();
|
|
|
}
|
|
|
return MyDataSet;
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 直接执行语句返回数据集
|
|
|
/// </summary>
|
|
|
/// <param name="connectionstring">数据库连接字符串</param>
|
|
|
/// <param name="StoredProcedureName">存储过程名</param>
|
|
|
/// <param name="myParamArray">查询语句或参数集</param>
|
|
|
/// <returns></returns>
|
|
|
public static DataSet RunProcedure(string connectionstring, string StoredProcedureName, SqlParameter[] myParamArray)
|
|
|
{
|
|
|
SqlConnection Conn = new SqlConnection(connectionstring);
|
|
|
Conn.Open();
|
|
|
SqlCommand MyCommand = new SqlCommand(StoredProcedureName, Conn);
|
|
|
MyCommand.CommandTimeout = 6000;
|
|
|
MyCommand.CommandType = CommandType.StoredProcedure;
|
|
|
MyCommand.CommandText = StoredProcedureName;
|
|
|
MyCommand.Parameters.Clear();
|
|
|
for (int j = 0; j < myParamArray.Length; j++)
|
|
|
{
|
|
|
MyCommand.Parameters.Add(myParamArray[j]);
|
|
|
}
|
|
|
SqlDataAdapter MyAdapter = new SqlDataAdapter();
|
|
|
MyAdapter.SelectCommand = MyCommand;
|
|
|
DataSet MyDataSet = new DataSet();
|
|
|
MyAdapter.Fill(MyDataSet);
|
|
|
Conn.Close();
|
|
|
Conn.Dispose();
|
|
|
return MyDataSet;
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 直接执行语句返回执行结果true/false
|
|
|
/// </summary>
|
|
|
/// <param name="connectionstring">数据库连接字符串</param>
|
|
|
/// <param name="sqltext">执行语句</param>
|
|
|
/// <returns></returns>
|
|
|
public static bool ExecuteSqlCommand(string connectionstring, string sqltext)
|
|
|
{
|
|
|
bool bRtn;
|
|
|
try
|
|
|
{
|
|
|
SqlConnection Conn = new SqlConnection(connectionstring);
|
|
|
Conn.Open();
|
|
|
SqlTransaction myTrans = Conn.BeginTransaction();
|
|
|
SqlCommand MyCommand = new SqlCommand(sqltext, Conn, myTrans);
|
|
|
MyCommand.CommandTimeout = 6000;
|
|
|
try
|
|
|
{
|
|
|
MyCommand.ExecuteNonQuery();
|
|
|
myTrans.Commit();
|
|
|
bRtn = true;
|
|
|
}
|
|
|
catch
|
|
|
{
|
|
|
myTrans.Rollback();
|
|
|
bRtn = false;
|
|
|
}
|
|
|
finally
|
|
|
{
|
|
|
Conn.Close();
|
|
|
Conn.Dispose();
|
|
|
}
|
|
|
}
|
|
|
catch { bRtn = false; }
|
|
|
return bRtn;
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 直接执行语句返回执行结果true/false，无事务
|
|
|
/// </summary>
|
|
|
/// <param name="connectionstring">数据库连接字符串</param>
|
|
|
/// <param name="sqltext">执行语句</param>
|
|
|
/// <returns></returns>
|
|
|
public static bool ExecuteSql(string connectionstring, string sqltext)
|
|
|
{
|
|
|
bool bRtn;
|
|
|
try
|
|
|
{
|
|
|
SqlConnection Conn = new SqlConnection(connectionstring);
|
|
|
Conn.Open();
|
|
|
SqlCommand MyCommand = new SqlCommand(sqltext, Conn);
|
|
|
MyCommand.CommandTimeout = 6000;
|
|
|
try
|
|
|
{
|
|
|
MyCommand.ExecuteNonQuery();
|
|
|
bRtn = true;
|
|
|
}
|
|
|
catch (Exception execError)
|
|
|
{
|
|
|
bRtn = false;
|
|
|
throw execError;
|
|
|
}
|
|
|
finally
|
|
|
{
|
|
|
Conn.Close();
|
|
|
Conn.Dispose();
|
|
|
}
|
|
|
}
|
|
|
catch (Exception execError2)
|
|
|
{
|
|
|
bRtn = false;
|
|
|
throw execError2;
|
|
|
}
|
|
|
return bRtn;
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 直接执行语句返回执行结果true/false
|
|
|
/// </summary>
|
|
|
/// <param name="connectionstring">数据库连接字符串</param>
|
|
|
/// <param name="StoredProcedureName">存储过程名</param>
|
|
|
/// <param name="myParamArray">执行语句或参数集</param>
|
|
|
/// <returns></returns>
|
|
|
public static bool ExecuteSqlStoredProcedure(string connectionstring, string StoredProcedureName, SqlParameter[] myParamArray)
|
|
|
{
|
|
|
bool bRtn;
|
|
|
try
|
|
|
{
|
|
|
SqlConnection Conn = new SqlConnection(connectionstring);
|
|
|
Conn.Open();
|
|
|
SqlTransaction myTrans = Conn.BeginTransaction();
|
|
|
SqlCommand MyCommand = new SqlCommand();
|
|
|
MyCommand.Connection = Conn;
|
|
|
MyCommand.Transaction = myTrans;
|
|
|
MyCommand.CommandTimeout = 6000;
|
|
|
MyCommand.CommandType = CommandType.StoredProcedure;
|
|
|
MyCommand.CommandText = StoredProcedureName;
|
|
|
MyCommand.Parameters.Clear();
|
|
|
for (int j = 0; j < myParamArray.Length; j++)
|
|
|
{
|
|
|
MyCommand.Parameters.Add(myParamArray[j]);
|
|
|
}
|
|
|
try
|
|
|
{
|
|
|
MyCommand.ExecuteNonQuery();
|
|
|
myTrans.Commit();
|
|
|
bRtn = true;
|
|
|
}
|
|
|
catch
|
|
|
{
|
|
|
myTrans.Rollback();
|
|
|
bRtn = false;
|
|
|
}
|
|
|
finally
|
|
|
{
|
|
|
Conn.Close();
|
|
|
Conn.Dispose();
|
|
|
}
|
|
|
}
|
|
|
catch { bRtn = false; }
|
|
|
return bRtn;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 直接执行语句返回执行结果true/false
|
|
|
/// </summary>
|
|
|
/// <param name="connectionstring">数据库连接字符串</param>
|
|
|
/// <param name="StoredProcedureName">存储过程名</param>
|
|
|
/// <param name="myParamArray">执行语句或参数集</param>
|
|
|
/// <returns></returns>
|
|
|
public static int ExecuteSqlStoredProcedureReturn(SqlConnection Conn, string StoredProcedureName, SqlParameter[] myParamArray)
|
|
|
{
|
|
|
int iResult = 0;
|
|
|
try
|
|
|
{
|
|
|
//SqlConnection Conn = new SqlConnection(connectionstring);
|
|
|
Conn.Open();
|
|
|
SqlTransaction myTrans = Conn.BeginTransaction();
|
|
|
SqlCommand MyCommand = new SqlCommand();
|
|
|
MyCommand.Connection = Conn;
|
|
|
MyCommand.Transaction = myTrans;
|
|
|
MyCommand.CommandTimeout = 6000;
|
|
|
MyCommand.CommandType = CommandType.StoredProcedure;
|
|
|
MyCommand.CommandText = StoredProcedureName;
|
|
|
MyCommand.Parameters.Clear();
|
|
|
for (int j = 0; j < myParamArray.Length; j++)
|
|
|
{
|
|
|
MyCommand.Parameters.Add(myParamArray[j]);
|
|
|
}
|
|
|
MyCommand.Parameters.Add("@RETURN_VALUE", "").Direction = ParameterDirection.ReturnValue;
|
|
|
try
|
|
|
{
|
|
|
MyCommand.ExecuteNonQuery();
|
|
|
iResult = int.Parse(MyCommand.Parameters["@RETURN_VALUE"].Value.ToString().Trim());
|
|
|
myTrans.Commit();
|
|
|
//iResult = 1;
|
|
|
}
|
|
|
catch(Exception ee)
|
|
|
{
|
|
|
myTrans.Rollback();
|
|
|
iResult = -1;
|
|
|
throw ee;
|
|
|
}
|
|
|
finally
|
|
|
{
|
|
|
Conn.Close();
|
|
|
Conn.Dispose();
|
|
|
}
|
|
|
}
|
|
|
catch(Exception eee)
|
|
|
{
|
|
|
iResult = -1;
|
|
|
throw eee;
|
|
|
}
|
|
|
return iResult;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 直接执行语句返回执行结果true/false
|
|
|
/// </summary>
|
|
|
/// <param name="connectionstring">数据库连接字符串</param>
|
|
|
/// <param name="StoredProcedureName">存储过程名</param>
|
|
|
/// <param name="myParamArray">执行语句或参数集</param>
|
|
|
/// <returns></returns>
|
|
|
public static string ExecuteSqlStoredProcedureReturnString(SqlConnection Conn, string StoredProcedureName, SqlParameter[] myParamArray)
|
|
|
{
|
|
|
string sResult = "";
|
|
|
try
|
|
|
{
|
|
|
//SqlConnection Conn = new SqlConnection(connectionstring);
|
|
|
Conn.Open();
|
|
|
SqlTransaction myTrans = Conn.BeginTransaction();
|
|
|
SqlCommand MyCommand = new SqlCommand();
|
|
|
MyCommand.Connection = Conn;
|
|
|
MyCommand.Transaction = myTrans;
|
|
|
MyCommand.CommandTimeout = 6000;
|
|
|
MyCommand.CommandType = CommandType.StoredProcedure;
|
|
|
MyCommand.CommandText = StoredProcedureName;
|
|
|
MyCommand.Parameters.Clear();
|
|
|
for (int j = 0; j < myParamArray.Length; j++)
|
|
|
{
|
|
|
MyCommand.Parameters.Add(myParamArray[j]);
|
|
|
}
|
|
|
MyCommand.Parameters.Add("@RETURN_VALUE", SqlDbType.VarChar,100).Direction = ParameterDirection.Output;
|
|
|
try
|
|
|
{
|
|
|
MyCommand.ExecuteNonQuery();
|
|
|
sResult = MyCommand.Parameters["@RETURN_VALUE"].Value.ToString().Trim();
|
|
|
myTrans.Commit();
|
|
|
//iResult = 1;
|
|
|
}
|
|
|
catch(Exception ee)
|
|
|
{
|
|
|
myTrans.Rollback();
|
|
|
sResult = "error";
|
|
|
throw ee;
|
|
|
}
|
|
|
finally
|
|
|
{
|
|
|
Conn.Close();
|
|
|
Conn.Dispose();
|
|
|
}
|
|
|
}
|
|
|
catch(Exception eee)
|
|
|
{
|
|
|
sResult = "error";
|
|
|
throw eee;
|
|
|
}
|
|
|
return sResult;
|
|
|
}
|
|
|
#endregion
|
|
|
|
|
|
public static void CloseConnection()
|
|
|
{
|
|
|
if (_sqlConnection != null)
|
|
|
{
|
|
|
if (_sqlConnection.State == ConnectionState.Open)
|
|
|
{
|
|
|
_sqlConnection.Close();
|
|
|
_sqlConnection.Dispose();
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 执行一条返回第一条记录第一列的SqlCommand命令，通过已经存在的数据库连接。(事务操作)
|
|
|
/// 使用参数数组提供参数
|
|
|
/// </summary>
|
|
|
/// <remarks>
|
|
|
/// 使用示例：
|
|
|
/// Object obj = ExecuteScalar(connString, CommandType.StoredProcedure, "PublishOrders", new SqlParameter("@prodid", 24));
|
|
|
/// </remarks>
|
|
|
/// <param name="trans">一个存在的 sql 事物处理</param>
|
|
|
/// <param name="commandType">SqlCommand命令类型 (存储过程， T-SQL语句， 等等。)</param>
|
|
|
/// <param name="commandText">存储过程的名字或者 T-SQL 语句</param>
|
|
|
/// <param name="commandParameters">以数组形式提供SqlCommand命令中用到的参数列表</param>
|
|
|
/// <returns>返回一个数值表示此SqlCommand命令执行后影响的行数</returns>
|
|
|
public static object ExecuteScalar(SqlTransaction trans, CommandType cmdType, string cmdText, params SqlParameter[] commandParameters)
|
|
|
{
|
|
|
SqlCommand cmd = new SqlCommand();
|
|
|
PrepareCommand(cmd, trans.Connection, trans, cmdType, cmdText, commandParameters);
|
|
|
object val = cmd.ExecuteScalar();
|
|
|
cmd.Parameters.Clear();
|
|
|
return val;
|
|
|
}
|
|
|
//
|
|
|
}
|
|
|
}
|