四个按钮的例子说明了 响应客户端与服务器端事件的先后顺序.
ketu.aspx代码:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="kehu.aspx.cs" Inherits="kehu" %>
<!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">
<script language="javascript">
function sayhello(){
alert("hello");
}
</script>
<title>在asp.net服务器控件中响应客户端与服务器端事件的例子</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<input id="Submit1" type="submit" value="submit" onclick="sayhello()"/><br />
<input id="Submit2" type="submit" value="submit2" onclick="sayhello()" runat="server" onserverclick="Submit2_ServerClick" style="width: 58px" /> <br />
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" /><br />
<input id="Button2" type="button" value="button" runat="server" onclick="sayhello();" onserverclick="Button2_ServerClick"/><br />
<br />
<asp:Label ID="Label1" runat="server" Text="Label" Width="279px"></asp:Label></div>
</form>
</body>
</html>
kehu.aspx.cs代码:
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class kehu : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
Label1.Text = DateTime.Now.ToString();
Button1.Attributes.Add("onclick", "sayhello()");
}
protected void Submit2_ServerClick(object sender, EventArgs e)
{
Submit2.Value = DateTime.Now.ToString();
}
protected void Button1_Click(object sender, EventArgs e)
{
Button1.Text = DateTime.Now.ToString();
}
protected void Button2_ServerClick(object sender, EventArgs e)
{
Button2.Value = DateTime.Now.ToString();
}
}