using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.OleDb;
namespace liuyanban1
{
/// <summary>
/// toutai_xiugai 的摘要说明。
/// </summary>
public class toutai_xiugai : System.Web.UI.Page
{
protected System.Web.UI.WebControls.DataGrid DataGrid1;

private void Page_Load(object sender, System.EventArgs e)
{
if(!IsPostBack)
{
SetBind();
} }
private void SetBind()
{
OleDbConnection conn=new OleDbConnection(liuyanban1.OleDbDataConnection.GetString());
OleDbDataAdapter da=new OleDbDataAdapter("select * from news",conn);
DataSet ds=new DataSet();
da.Fill(ds,"news");
this.DataGrid1.DataSource=ds.Tables["news"];
this.DataGrid1.DataBind();            
}
private void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{
if(e.Item.ItemType==ListItemType.Item||e.Item.ItemType==ListItemType.AlternatingItem)
{
e.Item.Attributes.Add("onclick","__doPostBack('"+((LinkButton)e.Item.Cells[3].Controls[0]).ClientID.Replace("__","$_")+"','')");
}
if(e.Item.ItemType==ListItemType.EditItem)
{
e.Item.Attributes.Add("ondblclick","__doPostBack('"+((LinkButton)e.Item.Cells[3].Controls[0]).ClientID.Replace("__","$_")+"','')");
for(int i=0;i<2;i++)((TextBox)e.Item.Cells[i].Controls[0]).Attributes.Add("onmouseover","this.select()");
}
}
private void DataGrid1_ItemCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
{
if(e.CommandName=="edit")
{
this.DataGrid1.EditItemIndex=e.Item.ItemIndex;
SetBind();
}
if(e.CommandName=="update")
{
try
{
OleDbConnection conn=new OleDbConnection(liuyanban1.OleDbDataConnection.GetString());
OleDbCommand comm=new OleDbCommand("update news set Company_jianjie=@Company_jianjie,Company_dongtai=@Company_dongtai,Company_zhanshi=@Company_zhanshi",conn);
OleDbParameter parm1=new OleDbParameter("@Company_jianjie",OleDbType.VarChar,10000);
parm1.Value=((TextBox)e.Item.Cells[0].Controls[0]).Text;
OleDbParameter parm2=new OleDbParameter("@Company_dongtai",OleDbType.VarChar,10000);
parm2.Value=((TextBox)e.Item.Cells[1].Controls[0]).Text;
OleDbParameter parm3=new OleDbParameter("@Company_zhanshi",OleDbType.VarChar,20000);
parm3.Value=((TextBox)e.Item.Cells[2].Controls[0]).Text;
comm.Parameters.Add(parm1);
comm.Parameters.Add(parm2);
comm.Parameters.Add(parm3);
conn.Open();
comm.ExecuteNonQuery();
conn.Close();
}
catch
{
Response.Write("<script>alert('输入的数据格式有误');</script>");
}
finally
{
this.DataGrid1.EditItemIndex=-1;
SetBind();
}
} }
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}

/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{    
this.DataGrid1.ItemCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_ItemCommand);
this.DataGrid1.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemDataBound);
this.Load += new System.EventHandler(this.Page_Load); }
#endregion
}
}
还有this.select是什么意思啊?