Default.aspx
----------------
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default5.aspx.cs" Inherits="Default5" %>
<!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>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="lblmsg" runat="server"></asp:Label>
</div>
</form>
</body>
</html>
Default.aspx.cs
-------------------
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Text;
public partial class Default5 : System.Web.UI.Page
{
public string click()
{
lblmsg.Text = "This is function";
string msg = lblmsg.Text;
ClientScript.RegisterClientScriptBlock(GetType(), "", "<script>alert('" + msg.ToString() + "');</script>");
return msg;
}
protected void Page_Load(object sender, EventArgs e)
{
StringBuilder sb = new StringBuilder();
sb.Append("bool i = document.getElementById('<%=btnsubmit.ClientID%').value");
sb.Append("if(i == true)");
sb.Append("{");
sb.Append("'" + click() + "'");
sb.Append("}");
sb.ToString();
ClientScript.RegisterClientScriptBlock(GetType(), "clientscript", "<script>alert('" + click() + "');</script>");
}
}
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