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CalendarDay.IsSelected Property

Gets a value that indicates whether the date represented by an instance of this class is selected in the Calendar control. This property is read-only.

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)

public bool IsSelected { get; }

Property Value

Type: System.Boolean
true if the date represented by an instance of this class is selected in the Calendar control; otherwise, false.

Use the IsSelected property to programmatically determine whether the date represented by an instance of this class is selected in the Calendar control. This allows you to programmatically control the appearance or behavior of the day, based on this value.

The following example demonstrates how to use the IsSelected property to determine if the current date is selected in the Calendar. Note that the Day property of the DayRenderEventArgs object passed into the DayRender event handler is the CalendarDay object.

<%@ Page Language="C#" AutoEventWireup="True" %>

<!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>
    <title>ASP.NET Example</title>
<script language="C#" runat="server">

      void DayRender(Object source, DayRenderEventArgs e) 
      {

         if (e.Day.IsSelected && e.Day.IsToday)
         {
            Label1.Text = "You selected today's date.";
         }

      }

   </script>

</head>

<body>

   <form id="form1" runat="server">

      <asp:Calendar id="calendar1" runat="server"
           WeekendDayStyle-BackColor="gray"
           OnDayRender="DayRender"/>

      <br /><br />

      <asp:Label id="Label1" runat="server"/>

   </form>

</body>
</html>

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0
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