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CalendarDay.IsSelected Property

  • Reference

Definition

Namespace:
System.Web.UI.WebControls
Assembly:
System.Web.dll

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.

public:
 property bool IsSelected { bool get(); };
public bool IsSelected { get; }
member this.IsSelected : bool
Public ReadOnly Property IsSelected As Boolean

Property Value

Boolean

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

Examples

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>

<%@ Page Language="VB" 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="VB" runat="server">
        Sub DayRender(source As Object, e As DayRenderEventArgs)
            
            If e.Day.IsSelected And e.Day.IsToday Then
                Label1.Text = "You selected today's date."
            End If
        End Sub 'DayRender  
  </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>

Remarks

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.

Applies to

See also