<%@ Page language="c#" Codebehind="WebForm87.aspx.cs" AutoEventWireup="false" Inherits="csdn.WebForm87" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>WebForm87</title>
<meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
<meta content="C#" name="CODE_LANGUAGE">
<meta content="JavaScript" name="vs_defaultClientScript">
<meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
<LINK href="css.css" type="text/css" rel="stylesheet">
</HEAD>
<body>
<form id="Form1" method="post" runat="server">
<asp:datagrid id="DataGrid1" runat="server" AutoGenerateColumns="False" CellSpacing="1" BorderWidth="0px"
CellPadding="5" CssClass="border" DataKeyField="EmployeeID">
<ItemStyle CssClass="item"></ItemStyle>
<HeaderStyle CssClass="header"></HeaderStyle>
<Columns>
<asp:BoundColumn DataField="FirstName" HeaderText="FirstName"></asp:BoundColumn>
<asp:BoundColumn DataField="LastName" HeaderText="LastName"></asp:BoundColumn>
<asp:BoundColumn DataField="Title" HeaderText="Title"></asp:BoundColumn>
<asp:BoundColumn DataField="BirthDate" HeaderText="BirthDate" DataFormatString="{0:yyyy-MM-dd}"></asp:BoundColumn>
<asp:ButtonColumn ButtonType="LinkButton" CommandName="edit" Text="edit" Visible="False"></asp:ButtonColumn>
<asp:ButtonColumn ButtonType="LinkButton" CommandName="update" Text="update" Visible="False"></asp:ButtonColumn>
</Columns>
</asp:datagrid>
</form>
</body>
</HTML>
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
namespace csdn
{
public class WebForm87 : 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()
{
SqlConnection conn=new SqlConnection(System.Configuration.ConfigurationSettings.AppSettings["strconn"]);
SqlDataAdapter da=new SqlDataAdapter("select * from Employees",conn);
DataSet ds=new DataSet();
da.Fill(ds,"table1");
this.DataGrid1.DataSource=ds.Tables["table1"];
this.DataGrid1.DataBind();
}
#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
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[4].Controls[0]).ClientID.Replace("__","$_")+"','')");
}
if(e.Item.ItemType==ListItemType.EditItem)
{
e.Item.Attributes.Add("ondblclick","__doPostBack('"+((LinkButton)e.Item.Cells[5].Controls[0]).ClientID.Replace("__","$_")+"','')");
for(int i=0;i<4;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
{
SqlConnection conn=new SqlConnection(System.Configuration.ConfigurationSettings.AppSettings["strconn"]);
SqlCommand comm=new SqlCommand("update Employees set FirstName=@FirstName,LastName=@LastName,Title=@Title,BirthDate=@BirthDate where EmployeeID=@EmployeeID",conn);
SqlParameter parm1=new SqlParameter("@FirstName",SqlDbType.NVarChar,20);
parm1.Value=((TextBox)e.Item.Cells[0].Controls[0]).Text;
SqlParameter parm2=new SqlParameter("@LastName",SqlDbType.NVarChar,10);
parm2.Value=((TextBox)e.Item.Cells[1].Controls[0]).Text;
SqlParameter parm3=new SqlParameter("@Title",SqlDbType.NVarChar,20);
parm3.Value=((TextBox)e.Item.Cells[2].Controls[0]).Text;
SqlParameter parm4=new SqlParameter("@BirthDate",SqlDbType.DateTime);
parm4.Value=((TextBox)e.Item.Cells[3].Controls[0]).Text;
SqlParameter parm5=new SqlParameter("@EmployeeID",SqlDbType.Int);
parm5.Value=this.DataGrid1.DataKeys[e.Item.ItemIndex];
comm.Parameters.Add(parm1);
comm.Parameters.Add(parm2);
comm.Parameters.Add(parm3);
comm.Parameters.Add(parm4);
comm.Parameters.Add(parm5);
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();
}
}
}
}
}
|