原文发布时间为：2008-07-29 —— 来源于本人的百度文章 [由搬家工具导入]
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 Default4 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
}
protected void Button1_Click1(object sender, EventArgs e)
{
if (Page.IsValid)
{
Label1.Text = "pass";
}
else
{
Label1.Text = "fail";
}
}
protected void txtvlue(object source, ServerValidateEventArgs args)
{
if (args.Value == "服务端")
{
args.IsValid = true;
}
else
{
args.IsValid = false;
}
}
}
--------------------------------------
<head runat="server">
<title>无标题页</title>
<script type="text/javascript">
function txtvalue(s,e)
{
if(e.Value=="客户端")
{
e.IsValid=true;
}
else
{
e.IsValid=false;
}
}
</script>
</head>
<body>
原文：http://www.cnblogs.com/handboy/p/7141557.html