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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.

[Visual Basic]
Public Property FirstDayOfWeek As FirstDayOfWeek
[C#]
public FirstDayOfWeek FirstDayOfWeek {get; set;}
[C++]
public: __property FirstDayOfWeek get_FirstDayOfWeek();
public: __property void set_FirstDayOfWeek(FirstDayOfWeek);
[JScript]
public function get FirstDayOfWeek() : FirstDayOfWeek;
public function set FirstDayOfWeek(FirstDayOfWeek);

Property Value

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

Exceptions

Exception Type Condition
ArgumentException The date specified is not one of the FirstDayOfWeek values.

Remarks

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.

Example

[Visual Basic, C#, JScript] The following example demonstates how to use the FirstDayOfWeek property to set the first day column to Monday.

[Visual Basic] 
<%@ Page Language="VB" AutoEventWireup="True" %>
<html>
<head>

</head>
<body>

   <form runat="server">

      <h3>Calendar Example</h3>

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

</body>
</html>


[C#] 
<%@ 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>


[JScript] 
<%@ Page Language="JScript" AutoEventWireup="True" %>
<html>
<head>

</head>
<body>

   <form runat="server">

      <h3>Calendar Example</h3>

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

</body>
</html>


[Visual Basic] 
<%@ Page Language="VB" AutoEventWireup="True" %>

<html>
   <script runat="server" >
  
      Sub Selection_Change(sender as Object, e As EventArgs)

         ' Set the first day of the week.
         Calendar1.FirstDayOfWeek = CType(DayList.SelectedIndex, _
            System.Web.UI.WebControls.FirstDayOfWeek)

      End Sub
  
   </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>
 

[C#] 
<%@ 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>
 

[C++] No example is available for C++. To view a Visual Basic, C#, or JScript example, click the Language Filter button Language Filter in the upper-left corner of the page.

Requirements

Platforms: Windows 2000, Windows XP Professional, Windows Server 2003 family

See Also

Calendar Class | Calendar Members | System.Web.UI.WebControls Namespace | FirstDayOfWeek

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