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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>



.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

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