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CalendarDay.IsWeekend Property

Gets a value that indicates whether the date represented by an instance of this class is a either Saturday or Sunday. This property is read-only.

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

public bool IsWeekend { get; }

Property Value

Type: System.Boolean
true if the date represented by an instance of this class is either a Saturday or a Sunday; otherwise, false.

Use the IsWeekend property to programmatically determine whether the date represented by an instance of this class is either a Saturday or a Sunday. 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 properties of a CalendarDay object to determine whether the date being rendered in the DayRender event is in the displayed month and are not either a Saturday or a Sunday. These dates are displayed in yellow. 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.IsOtherMonth && !e.Day.IsWeekend)
            e.Cell.BackColor=System.Drawing.Color.Yellow;

      }

   </script>

</head>

<body>

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

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

   </form>

</body>
</html>
   



<%@ 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 runat="server">
    <title>Calendar DayRender Example</title>
<script runat="server">

      void DayRender(Object sender, DayRenderEventArgs e) 
      {

         // Change the background color of the days in the month
         // to yellow.
         if (!e.Day.IsOtherMonth && !e.Day.IsWeekend)
         {
            e.Cell.BackColor=System.Drawing.Color.Yellow;
         }

         // Add custom text to cell in the Calendar control.
         if (e.Day.Date.Day == 18)
         {
            e.Cell.Controls.Add(new LiteralControl("<br />Holiday"));
         }

      }

      void Page_Load(Object sender, EventArgs e)
      {

         // Manually register the event-handling method for the DayRender  
         // event of the Calendar control.
         Calendar1.DayRender += new DayRenderEventHandler(this.DayRender);

      }

   </script>

</head>

<body>

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

      <h3>Calendar DayRender Example</h3>

      <asp:Calendar id="Calendar1" 
                    runat="server">

         <WeekendDayStyle BackColor="gray">
         </WeekendDayStyle>

      </asp:Calendar>

   </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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