D7JIEKOU/DSWeb/EntityDA/DB.cs

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;


namespace DSWeb.EntityDA
{
    public class DB
    {
        public DB()
        {
            //
            //TODO: 在此处添加构造函数逻辑
            //
        }
        public static SqlConnection SqlConn
        {
            get { return new SqlConnection("server=(local);database=shippingweb;uid=sa;pwd=;"); }
        }

        public static DataTable GetTable(string sql)
        {
            using (SqlConnection conn = SqlConn)
            {
                SqlDataAdapter da = new SqlDataAdapter(sql, conn);
                DataSet ds = new DataSet();
                da.Fill(ds);
                return ds.Tables[0];
            }
        }

        public static int Execute(string sql)
        {
            using (SqlConnection conn = SqlConn)
            {
                SqlCommand cmd = new SqlCommand(sql, conn);

                conn.Open();
                return cmd.ExecuteNonQuery();
            }
        }
    }
}