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DayOfWeek Enumeration

Specifies the day of the week.

Namespace: System
Assembly: mscorlib (in mscorlib.dll)

[SerializableAttribute] 
[ComVisibleAttribute(true)] 
public enum DayOfWeek
/** @attribute SerializableAttribute() */ 
/** @attribute ComVisibleAttribute(true) */ 
public enum DayOfWeek
SerializableAttribute 
ComVisibleAttribute(true) 
public enum DayOfWeek
 Member nameDescription
Supported by the .NET Compact FrameworkFridayIndicates Friday. 
Supported by the .NET Compact FrameworkMondayIndicates Monday. 
Supported by the .NET Compact FrameworkSaturdayIndicates Saturday. 
Supported by the .NET Compact FrameworkSundayIndicates Sunday. 
Supported by the .NET Compact FrameworkThursdayIndicates Thursday. 
Supported by the .NET Compact FrameworkTuesdayIndicates Tuesday. 
Supported by the .NET Compact FrameworkWednesdayIndicates Wednesday. 

The DayOfWeek enumeration represents the day of the week in calendars that have seven days per week. This enumeration ranges from zero, indicating Sunday, to six, indicating Saturday.

This enumeration is useful when it is desirable to have a strongly typed specification of the day of the week. For example, this enumeration is the type of the property value for the DateTime.DayOfWeek property.

The following example demonstrates the DateTime.DayOfWeek property and the DayOfWeek enumeration.

// This example demonstrates the DateTime.DayOfWeek property
using System;

class Sample 
{
    public static void Main() 
    {
// Assume the current culture is en-US.
// Create a DateTime for the first of May, 2003.
    DateTime dt = new DateTime(2003, 5, 1);
    Console.WriteLine("Is Thursday the day of the week for {0:d}?: {1}", 
                       dt, dt.DayOfWeek == DayOfWeek.Thursday);
    Console.WriteLine("The day of the week for {0:d} is {1}.", dt, dt.DayOfWeek);
    }
}
/*
This example produces the following results:

Is Thursday the day of the week for 5/1/2003?: True
The day of the week for 5/1/2003 is Thursday.
*/

// This example demonstrates the DateTime.DayOfWeek property
import System.*;

class Sample
{
    public static void main(String[] args)
    {
        // Assume the current culture is en-US.
        // Create a DateTime for the first of May, 2003.
        DateTime dt = new DateTime(2003, 5, 1);
        Console.WriteLine("Is Thursday the day of the week for {0:d}?: {1}", 
            dt, (System.Boolean)(dt.get_DayOfWeek() == DayOfWeek.Thursday));
        Console.WriteLine("The day of the week for {0:d} is {1}.", dt, 
            dt.get_DayOfWeek());
    } //main
} //Sample
/*
This example produces the following results:

Is Thursday the day of the week for 5/1/2003?: True
The day of the week for 5/1/2003 is Thursday.
*/

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, 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

.NET Compact Framework

Supported in: 2.0, 1.0

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