我们不可能将点击事件写到控件里,而是我们想吧事件处理得过程写在
调用控件的页面中,这是该怎么处理呢?
我的做法时使用delegate来实现这个功能!
具体做法如下:
下面是控件的html部分
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<%@ Control Language="C#" AutoEventWireup="true" CodeFile="ctlForm.ascx.cs" Inherits="ctlForm" %>
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<table>
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<tr>
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<td style=" 100px">
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name</td>
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<td style=" 100px">
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<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox></td>
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</tr>
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<tr>
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<td style=" 100px">
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sex</td>
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<td style=" 100px">
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<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox></td>
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</tr>
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<tr>
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<td style=" 100px">
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</td>
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<td style=" 100px">
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<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="测试" /></td>
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</tr>
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</table>
22![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
控件的cs部分
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using System;
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using System.Data;
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using System.Configuration;
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using System.Collections;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Web.UI.HtmlControls;
11![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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public partial class ctlForm : System.Web.UI.UserControl
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{
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protected void Page_Load(object sender, EventArgs e)
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{
16![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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}
18![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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public delegate void ClickHander();
20![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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public ClickHander MyClickHandler = null;
22![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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public void Button1_Click(object sender, EventArgs e)
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{
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if (MyClickHandler != null)
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{
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MyClickHandler();
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}
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}
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}
31![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
我们调用这个控件的页面写法如下:
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="testForm.aspx.cs" Inherits="testForm" %>
2![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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<%@ Register Src="ctlForm.ascx" TagName="ctlForm" TagPrefix="uc1" %>
4![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" >
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<head runat="server">
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<title>无标题页</title>
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</head>
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<body>
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<form id="form1" runat="server">
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<div>
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<uc1:ctlForm ID="CtlForm1" runat="server" />
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</div>
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</form>
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</body>
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</html>
20![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
调用控件的cs代码如下![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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using System;
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using System.Data;
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using System.Configuration;
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using System.Collections;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Web.UI.HtmlControls;
11![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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public partial class testForm : System.Web.UI.Page
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{
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protected void Page_Load(object sender, EventArgs e)
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{
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CtlForm1.MyClickHandler = new ctlForm.ClickHander(this.Test);
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}
18![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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public void Test()
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{
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Response.Write("ok");
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}
23![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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}
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