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Calendar.FirstDayOfWeek Property

  • Reference

Definition

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

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

C# 
[System.ComponentModel.Bindable(true)]
public System.Web.UI.WebControls.FirstDayOfWeek FirstDayOfWeek { get; set; }
C# 
public System.Web.UI.WebControls.FirstDayOfWeek FirstDayOfWeek { get; set; }

Property Value

FirstDayOfWeek

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

Attributes
BindableAttribute

Exceptions

ArgumentOutOfRangeException

The date specified is not one of the FirstDayOfWeek values.

Examples

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

ASP.NET (C#) 
<%@ 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>Calendar Example</title>
</head>
<body>

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

      <h3>Calendar Example</h3>

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

</body>
</html>
ASP.NET (C#) 
<%@ 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" >
   <script runat="server" >
  
      void Selection_Change(Object sender, EventArgs e)
      {

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

      }
  
   </script>
  
<head runat="server">
    <title> Calendar FirstDayOfWeek Example </title>
</head>
<body>

   <form id="form1" 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>
  
      </table>  
  
   </form>

</body>
</html>

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.

Applies to

Product Versions
.NET Framework 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1

See also