Hi narasiman,
Try this...
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm2.aspx.cs" Inherits="WebApplication9.WebForm2" %>
<!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:Calendar ID="Calendar1" runat="server" ondayrender="Calendar1_DayRender">
</asp:Calendar>
</div>
</form>
</body>
</html>
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.Drawing;
namespace WebApplication9
{
public partial class WebForm2 : System.Web.UI.Page
{
protected void Calendar1_DayRender(object sender, DayRenderEventArgs e)
{
if (e.Day.DayNumberText.ToString() == "18")
{
e.Cell.Attributes.Add("onclick", "javascript:alert('Today date is appointment day')");
}
}
}
}
Thanks
If this post helps you mark it as answer