我的页面包含一个用户控件并继承了一个母版页。两者都有一个按钮。我已经把它放在一个表单标签中。我只是想从母版页和用户控件中进行冒泡事件。现在由于多个表单标签错误而无法加载。怎么做?
母版页:
<%@ Master Language="C#" AutoEventWireup="True" CodeBehind="SampleSite.master.cs" Inherits="EventBubbling.SampleSite" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title></title>
<asp:ContentPlaceHolder ID="head" runat="server">
</asp:ContentPlaceHolder>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server">
<asp:Button ID="Button1" runat="server" Text="MasterPageButton" />
</asp:ContentPlaceHolder>
</div>
</form>
</body>
</html>
用户控制:
<%@ Control Language="C#" AutoEventWireup="True" CodeBehind="SampleUserControl.ascx.cs"
Inherits="EventBubbling.Controls.SampleUserControl" EnableViewState="false" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="btnUC" runat="server" OnClick="btnUC_Click" Text="UserControlButton" />
</div>
</form>
</body>
</html>
用户 control.cs 页面:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace EventBubbling.Controls
{
public partial class SampleUserControl : System.Web.UI.UserControl
{
public event EventHandler buttonClick;
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnUC_Click(object sender, EventArgs e)
{
buttonClick(sender, e);
}
}
}
主页 :
<%@ Page Language="C#" AutoEventWireup="True" MasterPageFile="~/SampleSite.Master"
CodeBehind="Default.aspx.cs" Inherits="EventBubbling._Default" %>
<%@ Register Src="~/Controls/SampleUserControl.ascx" TagPrefix="uc" TagName="SampleUserControl" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="server">
<div>
<uc:SampleUserControl ID="UC1" runat="server" />
</div>
</asp:Content>
。CS
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace EventBubbling
{
public partial class _Default : System.Web.UI.Page
{
Button btn = new Button();
protected void Page_Load(object sender, EventArgs e)
{
UC1.buttonClick += new EventHandler(UC1_buttonClick);
btn = this.Master.FindControl("Button1") as Button;
btn.Click += new EventHandler(btn_Click);
}
void btn_Click(object sender, EventArgs e)
{
Response.Write("EventBubbling from MasterPage");
}
void UC1_buttonClick(object sender, EventArgs e)
{
Response.Write("EventBubbling from User control");
}
}
}
我的目标是学习事件冒泡,但我发布的这段代码出现了一些基本错误。