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datagrid编辑、修改、删除、翻页例子
现在数据库中建立test表，字段分别为ID、Code、Name；
数据库的链接这里就不具体写了，数据库的链接和操作请求我写在了AreaInfo.cs中，代码中会用到，这里声明一下
<%@ Page language="c#" Codebehind="Update.aspx.cs" AutoEventWireup="false" Inherits="Client.Page.AreaInfo.Update" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>test</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="">
</HEAD>
<body MS_POSITIONING="GridLayout" bgcolor="ivory">
<font face="arial" size="3"></font><FONT style="BACKGROUND-COLOR: #ffffff" face="Arial">
</FONT>
<br>
<form runat="server" ID="Form1">
<TABLE id="Table1" cellSpacing="0" bgcolor="#6699clearcase/" target="_blank" >cc" cellPadding="1" width="300" border="1">
<TR>
<TD><b>test</b>
</TD>
</TR>
<TD>
<asp:DataGrid id="DG1" runat="server" BorderColor="green" Width="640" PageSize="5" AllowPaging="true"
OnPageIndexChanged="Page_Grid" BorderWidth="1" CellPadding="3" AutoGenerateColumns="false"
ShowHeader="true" Visible="true" OnEditCommand="People_Edit" OnCancelCommand="People_Cancel"
OnUpdateCommand="People_Update" OnDeleteCommand="People_Delete">
<HeaderStyle BorderColor="White" BackColor="black" ForeColor="White" Font-Bold="True" Font-Name="Arial"
Font-Size="9" HorizontalAlign="Center" />
<ItemStyle BorderColor="" BackColor="#FFFFF0" ForeColor="Black" Font-Name="Arial" Font-Size="8"
Font-Bold="False" HorizontalAlign="Center" />
<EditItemStyle BorderColor="" BackColor="#FFFFF0" ForeColor="Black" Font-Name="Arial" Font-Size="7"
Font-Bold="False" HorizontalAlign="Center" />
<PagerStyle Mode="NumericPages" Font-Size="8" />
<Columns>
<asp:BoundColumn HeaderText="ID" ReadOnly="true" DataField="ID" />
<asp:TemplateColumn>
<HeaderTemplate>
<b>代码</b>
</HeaderTemplate>
<ItemTemplate>
<asp:Label Text=@#<%# DataBinder.Eval(Container.DataItem, "Code").ToString().Trim() %>@# runat="server" ID="Label1" NAME="Label1"/>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox id="Code" Text=@#<%# DataBinder.Eval(Container.DataItem, "Code").ToString().Trim() %>@# runat="server" Width="100%"/>
</EditItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn>
<HeaderTemplate>
<b>名称</b>
</HeaderTemplate>
<ItemTemplate>
<asp:Label Width="200" Text=@#<%# DataBinder.Eval(Container.DataItem, "Name").ToString().Trim() %>@# runat="server" ID="Label2" NAME="Label2"/>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox id="Name" Text=@#<%# DataBinder.Eval(Container.DataItem, "Name").ToString().Trim() %>@# runat="server"/>
</EditItemTemplate>
</asp:TemplateColumn>
<asp:EditCommandColumn ButtonType="PushButton" CancelText="取消" EditText="修改" UpdateText="更新" />
<asp:ButtonColumn Text="删除" CommandName="Delete" ButtonType="PushButton"></asp:ButtonColumn>
</Columns>
</asp:DataGrid></TD>
</TR>
</TABLE>
</form>
</body>
</HTML>
Update.aspx.cs
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;
namespace Client.Page.AreaInfo
{
/// <summary>
/// Update 的摘要说明。
/// </summary>
public class Update : System.Web.UI.Page
{
protected System.Web.UI.WebControls.DataGrid DG1;
protected Classes.AreaInfo myClass=new Client.Classes.AreaInfo();
private void Page_Load(object sender, System.EventArgs e)
{
if(!this.IsPostBack)
{
this.DG1.DataSource=myClass.bindGrid();
this.DG1.DataBind();
}
// 在此处放置用户代码以初始化页面
}
public void Page_Grid(Object sender, DataGridPageChangedEventArgs e)
{
DG1.CurrentPageIndex = e.NewPageIndex;
DG1.DataSource =myClass.bindGrid();
DG1.DataBind();
}
public void DG1_Edit(Object sender, DataGridCommandEventArgs e)
{
DG1.EditItemIndex = e.Item.ItemIndex;
DG1.DataSource =myClass.bindGrid();
DG1.DataBind();
}
public void DG1_Cancel(Object sender, DataGridCommandEventArgs e)
{
DG1.EditItemIndex = -1;
DG1.DataSource = myClass.bindGrid();
DG1.DataBind();
}
public void DG1_Update(Object sender, DataGridCommandEventArgs e)
{
string code = ((TextBox)e.Item.Cells[1].Controls[1]).Text;
string name = ((TextBox)e.Item.Cells[2].Controls[1]).Text;
int id=int.Parse(e.Item.Cells[0].Text);
myClass.upDateArea(id,code,name);
DG1.EditItemIndex = -1;
DG1.DataSource = myClass.bindGrid();
DG1.DataBind();
}
public void DG1_Delete(Object sender, DataGridCommandEventArgs e)
{
int id=int.Parse(e.Item.Cells[0].Text);
myClass.deleteArea(id);
this.DG1.DataSource=myClass.bindGrid();
this.DG1.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.Load += new System.EventHandler(this.Page_Load);
}
#endregion
}
}
