1
<%
@ Page Language="C#" AutoEventWireup="true" CodeFile="DataList.aspx.cs" Inherits="test_DataBind_DataList" %>2
3
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">4
5
<html xmlns="http://www.w3.org/1999/xhtml" >6
<head runat="server">7
<title>无标题页</title>8
</head>9
<body style="text-align: center">10
<form id="form1" runat="server">11
<div>12
</div>13
<asp:Panel ID="Panel1" runat="server" Height="382px" Width="578px">14
DataList 例子<br />15
<br />16
<asp:DataList ID="DataList1" runat="server" OnItemCommand="DataList1_ItemCommand" OnEditCommand="DataList1_EditCommand" OnCancelCommand="DataList1_CancelCommand" OnUpdateCommand="DataList1_UpdateCommand">17
<ItemTemplate>18
<asp:LinkButton ID="LinkButton1" runat="server" CommandName="select">查看信息</asp:LinkButton><asp:LinkButton ID="LinkButton2" runat="server" CommandName="edit">编辑</asp:LinkButton><%# Eval("personname")%><%# Eval("personsex")%>19
</ItemTemplate>20
<AlternatingItemTemplate>21
<font color=red>22
<asp:LinkButton ID="LinkButton1" runat="server" CommandName="select">查看信息</asp:LinkButton><asp:LinkButton ID="LinkButton2" runat="server" CommandName="edit">编辑</asp:LinkButton><%# Eval("personname")%><%# Eval("personsex")%></font>23
</AlternatingItemTemplate>24
<HeaderTemplate>25
<span style="color: #3300cc"><strong>页眉26
<hr />27
</strong></span>28
</HeaderTemplate>29
<SelectedItemTemplate>30
姓名:<%# Eval("personname")%>31
<br />32
姓别:<%# Eval("personsex")%>33
</SelectedItemTemplate>34
<FooterTemplate>35
<strong><span style="color: #0000cc">页脚36
<hr />37
<span style="color: #3300cc"></span></span></strong>38
</FooterTemplate>39
<SeparatorTemplate>40
<hr />41
42
</SeparatorTemplate>43
<EditItemTemplate>44
<asp:LinkButton ID="Update" runat="server">确定</asp:LinkButton>45
<asp:LinkButton ID="Cancel" runat="server">取消</asp:LinkButton>46
姓名:<%# Eval("personname")%>47
<asp:TextBox ID="personName" runat="server" Text='<%# Eval("personname") %>'></asp:TextBox>48
</EditItemTemplate>49
</asp:DataList></asp:Panel>50
</form>51
</body>52
</html>53
后台代码:
1
using System;2
using System.Data;3
using System.Configuration;4
using System.Collections;5
using System.Web;6
using System.Web.Security;7
using System.Web.UI;8
using System.Web.UI.WebControls;9
using System.Web.UI.WebControls.WebParts;10
using System.Web.UI.HtmlControls;11
using System.Data.SqlClient;12
public partial class test_DataBind_DataList : System.Web.UI.Page13
{14
protected void Page_Load(object sender, EventArgs e)15
{16
if(!this.IsPostBack)17
{18
this.BindToDataList();19
}20
21
}22
public void BindToDataList()23
{24
SqlConnection con = DBtest.createCon();25
SqlDataAdapter sdr = new SqlDataAdapter();26
sdr.SelectCommand = new SqlCommand("select * from person", con);27
DataSet ds = new DataSet();28
sdr.Fill(ds, "emp"); //用数据适配器填充数据集.29
this.DataList1.DataKeyField = "pID"; //更新时需要的主键30
this.DataList1.DataSource = ds.Tables["emp"];31
this.DataList1.DataBind();32
}33
34
protected void DataList1_ItemCommand(object source, DataListCommandEventArgs e)35
{36
if (e.CommandName == "select")37
{38
this.DataList1.SelectedIndex = e.Item.ItemIndex; //指定选中项的索引39
this.BindToDataList();40
}41
}42
protected void DataList1_EditCommand(object source, DataListCommandEventArgs e)43
{44
this.DataList1.EditItemIndex = e.Item.ItemIndex; //指定选中项的索引45
this.BindToDataList(); //注意这里没有判断 e.CommandName46
47
}48
protected void LinkButton3_Click(object sender, EventArgs e)49
{50
51
}52
protected void DataList1_CancelCommand(object source, DataListCommandEventArgs e)53
{54
this.DataList1.EditItemIndex = -1; //设置其索引号为－１，没选中．55
// this.DataList1.SelectedIndex = -1;56
this.BindToDataList();57
}58
protected void DataList1_UpdateCommand(object source, DataListCommandEventArgs e)59
{60
//获取主键61
string personID = this.DataList1.DataKeys[e.Item.ItemIndex].ToString();62
string personName = ((TextBox)e.Item.FindControl("personname")).Text;63
SqlConnection con = DBtest.createCon();64
con.Open();65
SqlCommand cmd = new SqlCommand("update person set personname='"+personName+"'",con);66
cmd.ExecuteNonQuery();67
this.DataList1.EditItemIndex = -1; //更新好后取消选中68
this.BindToDataList(); //再重新绑定69
70
}71
}72
为什么点击"取消"按钮无反应,哪里写错了????