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Calendar.FirstDayOfWeek Property

Gets or sets the day of the week to display in the first day column of the Calendar control.

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

public FirstDayOfWeek FirstDayOfWeek { get; set; }
/** @property */
public FirstDayOfWeek get_FirstDayOfWeek ()

/** @property */
public void set_FirstDayOfWeek (FirstDayOfWeek value)

public function get FirstDayOfWeek () : FirstDayOfWeek

public function set FirstDayOfWeek (value : FirstDayOfWeek)

Property Value

One of the FirstDayOfWeek values. The default is Default, which indicates that the day specified in the system setting is used.

Exception typeCondition

ArgumentException

The date specified is not one of the FirstDayOfWeek values.

Use the FirstDayOfWeek property to specify the day of the week to display in the first day column of the Calendar control. This property is set with one of the FirstDayOfWeek enumeration values. You can specify any day of the week or FirstDayOfWeek.Default, which indicates that the date is determined by the system settings.

TopicLocation
How to: Customize Calendar Web Server Control AppearanceBuilding ASP .NET Web Applications
How to: Customize Calendar Web Server Control AppearanceBuilding ASP .NET Web Applications

The following code example demonstrates how to use the FirstDayOfWeek property to set the first day column to Monday.

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

</head>
<body>

   <form runat="server">

      <h3>Calendar Example</h3>

      <asp:Calendar id="calendar1" runat="server"
           FirstDayOfWeek="Monday"/>
            
   </form>
        

</body>
</html>


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

<html>
   <script runat="server" >
  
      void Selection_Change(Object sender, EventArgs e)
      {

         // Set the first day of the week.
         Calendar1.FirstDayOfWeek = (FirstDayOfWeek)DayList.SelectedIndex;

      }
  
   </script>
  
<body>

   <form runat="server">
  
      <h3> Calendar FirstDayOfWeek Example </h3>

      Select the first day of the week.

      <br><br> 
  
      <asp:Calendar id="Calendar1"
           ShowGridLines="True" 
           ShowTitle="True"
           runat="server"/>

      <br><br>

      <table cellpadding="5">

         <tr>

            <td>

               First day of the week:

            </td>

         </tr>

         <tr>

            <td>

               <asp:DropDownList id="DayList"
                    AutoPostBack="True"
                    OnSelectedIndexChanged="Selection_Change"
                    runat="server">

                  <asp:ListItem> Sunday </asp:ListItem>
                  <asp:ListItem> Monday </asp:ListItem>
                  <asp:ListItem> Tuesday </asp:ListItem>
                  <asp:ListItem> Wednesday </asp:ListItem>
                  <asp:ListItem> Thursday </asp:ListItem>
                  <asp:ListItem> Friday </asp:ListItem>
                  <asp:ListItem> Saturday </asp:ListItem>
                  <asp:ListItem Selected="True"> Default </asp:ListItem>

               </asp:DropDownList>

            </td>

         </tr>
  
   </form>

</body>
</html>
 

Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0, 1.1, 1.0
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