using System;
using System.Collections;
using System.Configuration;
using System.Data;
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 DSWeb.DataAccess;

namespace DSWeb
{
    public partial class wucGridView : System.Web.UI.UserControl
    {
        
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                ViewState["OrderDire"] = "ASC"; 
            }
        }
        public void gvBind(string strSql)
        {
            string od = "";
            if (ViewState["SortOrder"] == null)
            {
                od = "";
            }
            else
            {
                od = " order by " + ViewState["SortOrder"].ToString().Trim() + " " + ViewState["OrderDire"];
            }
            //
            ViewState["gvBind"] = strSql;

            if (od.Trim() != "")
            {
                strSql += od;
            }
            DataSet ds = SqlHelper.OpenSqlDataSet(SqlHelper.ConnectionStringLocalTransaction, strSql);
            GridView1.DataSource = ds;
            GridView1.DataBind();
        }
        protected void GridView1_Sorting(object sender, GridViewSortEventArgs e)
        {
            ViewState["SortOrder"] = e.SortExpression;
            if (ViewState["OrderDire"].ToString() == "Desc")
                ViewState["OrderDire"] = "ASC";
            else
                ViewState["OrderDire"] = "Desc";
            //
            if (ViewState["gvBind"] != null)
            {
                gvBind(ViewState["gvBind"].ToString());
            }
        }
        protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            //表头
            if (e.Row.RowType == DataControlRowType.Header)
            {
                //单元格变色
                foreach (TableCell c in e.Row.Cells)
                {
                    c.Attributes["onmouseover"] = "javascript:bgcolor=this.style.backgroundColor;this.style.backgroundColor='#CDE0FA';";
                    c.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=bgcolor;";
                }
                e.Row.Cells[e.Row.Cells.Count - 1].Visible = false;
                e.Row.Cells[1].Visible = false;
            }
            
            //行
            if (e.Row.RowType == DataControlRowType.DataRow)
            {
                //下面两句代码是添加鼠标效果，可以省略，当鼠标移动到行上时，变颜色 
                e.Row.Attributes.Add("onmouseover", "currentcolor=this.style.backgroundColor;this.style.backgroundColor='#A7CDF0';");//,this.style.fontWeight='Bold';");
                //当鼠标离开的时候 将背景颜色还原的以前的颜色 
                e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=currentcolor,this.style.fontWeight='';");
                //设置悬浮鼠标指针形状为"小手"
                //e.Row.Attributes["style"] = "Cursor:hand";
                //单击行选中变色
                e.Row.Attributes.Add("onclick ", "if(window.oldtr!=null){window.oldtr.runtimeStyle.cssText='';}this.runtimeStyle.cssText='background-color:#A7CDF0';window.oldtr=this;");//字体变色this.style.color='#FFFFFF';
                //e.Row.ForeColor = System.Drawing.Color.White;

                //双击该行，弹出详细的信息页面
                string strGID = e.Row.Cells[1].Text;
                string strHandle = e.Row.Cells[e.Row.Cells.Count - 1].Text.Replace("&","&");
                //string ID = GridView1.DataKeys[e.Row.RowIndex].Value.ToString();
                e.Row.Attributes.Add("OnDblClick", "return openLink('" + strGID + "','" + strHandle + "')");
                e.Row.ToolTip = "双击该行，显示更详细的信息。";
                //e.Row.BackColor = System.Drawing.Color.FromName("#FFE4B5");

                // 为 CheckBox 添加 Client 的 onClick 事件, 实现按"Shift" + 鼠标左键 实现多选
                ((CheckBox)e.Row.FindControl("chkSelected")).Attributes.Add("onclick", "checkboxClick(this);");
                e.Row.Attributes.Add("onclick", "selectRow('" + strGID + "')");
                
                e.Row.Cells[e.Row.Cells.Count - 1].Visible = false;
                e.Row.Cells[1].Visible = false;
            }
        }

        protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
        {
            GridView1.PageIndex = e.NewPageIndex;
            //
            if (ViewState["gvBind"] != null)
            {
                gvBind(ViewState["gvBind"].ToString());
            }
        }
    }
}