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DayNameFormat Enumeration

Specifies the display format for the days of the week on a Calendar control.

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)
public enum DayNameFormat
Member nameDescription
FirstLetterThe days of the week displayed with just the first letter. For example, M represents Monday.
FirstTwoLettersThe days of the week displayed with just the first two letters. For example, Mo represents Monday.
FullThe days of the week displayed in full format. For example, Monday.
ShortThe days of the week displayed in abbreviated format. For example, Mon represents Monday.
ShortestThe days of the week displayed in the shortest abbreviation format possible for the current culture.

The DayNameFormat enumeration represents the display formats for the days of the week in a Calendar control.


In some cultures, DayNameFormat.FirstLetter and DayNameFormat.FirstTwoLetter display identical values for one or more days of the week. In these cultures, consider using DayNameFormat.Shortest, which displays the shortest abbreviation possible without using identical abbreviations.

The following code example shows how to specify a format for the format for the days of the week in a Calendar control.

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

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title> Calendar DayNameFormat Example </title>
   <form id="form1" runat="server">

     <h3> Calendar DayNameFormat Example </h3>

     <asp:Calendar id="Calendar1"


.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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