第二次动态产生铵钮的Click事件
网页在第一次运行时，它动态产生了一个铵钮，此称为第一个铵钮，当用户用mouse点击这个铵钮时，会动态产生另一个铵钮，此称为第二个铵钮，当用户再用mouse点击第二个铵钮时，系统将处理另外的事情。此博文是实再第二个铵钮的Click事件。首先看看效果：
.aspx:
View Code 
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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 runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<fieldset>
<legend>网页运行时动态产生的Button</legend>
<asp:PlaceHolder ID="PlaceHolder1" runat="server"></asp:PlaceHolder>
</fieldset>
<fieldset>
<legend>用Mouse点击第一个Button产生的Button</legend>
<asp:PlaceHolder ID="PlaceHolder2" runat="server"></asp:PlaceHolder>
</fieldset>
</ContentTemplate>
</asp:UpdatePanel>
</form>
</body>
</html>
<!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 runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<fieldset>
<legend>网页运行时动态产生的Button</legend>
<asp:PlaceHolder ID="PlaceHolder1" runat="server"></asp:PlaceHolder>
</fieldset>
<fieldset>
<legend>用Mouse点击第一个Button产生的Button</legend>
<asp:PlaceHolder ID="PlaceHolder2" runat="server"></asp:PlaceHolder>
</fieldset>
</ContentTemplate>
</asp:UpdatePanel>
</form>
</body>
</html>
.apsx.cs:
View Code using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Insus.NET;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
Button Button1 = new Button();
Button1.Text = "I was the first button";
Button1.Click += Button1_Click;
this.PlaceHolder1.Controls.Add(Button1);
if (ViewState["Click"] != null && (bool)ViewState["Click"])
GenerateButtonControl();
}
private void Button1_Click(object sender, EventArgs e)
{
if (ViewState["Click"] == null)
{
ViewState["Click"] = true;
GenerateButtonControl();
}
}
private void GenerateButtonControl()
{
Button Button2 = new Button();
Button2.Text = "I was the second button";
Button2.Click += new EventHandler(Button2_Click);
this.PlaceHolder2.Controls.Add(Button2);
}
private void Button2_Click(object sender, EventArgs e)
{
InsusJavascriptUtility objJs = new InsusJavascriptUtility();
objJs.JsAlert("Hi, Good evening!");
}
}
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Insus.NET;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
Button Button1 = new Button();
Button1.Text = "I was the first button";
Button1.Click += Button1_Click;
this.PlaceHolder1.Controls.Add(Button1);
if (ViewState["Click"] != null && (bool)ViewState["Click"])
GenerateButtonControl();
}
private void Button1_Click(object sender, EventArgs e)
{
if (ViewState["Click"] == null)
{
ViewState["Click"] = true;
GenerateButtonControl();
}
}
private void GenerateButtonControl()
{
Button Button2 = new Button();
Button2.Text = "I was the second button";
Button2.Click += new EventHandler(Button2_Click);
this.PlaceHolder2.Controls.Add(Button2);
}
private void Button2_Click(object sender, EventArgs e)
{
InsusJavascriptUtility objJs = new InsusJavascriptUtility();
objJs.JsAlert("Hi, Good evening!");
}
}
