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UmAlQuraCalendar.GetDayOfWeek Method

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Updated: October 2010

Calculates on which day of the week a specified date occurs.

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

Syntax

'Declaration
Public Overrides Function GetDayOfWeek ( _
    time As DateTime _
) As DayOfWeek
public override DayOfWeek GetDayOfWeek(
    DateTime time
)

Parameters

Return Value

Type: System.DayOfWeek
The day of the week specified by the time parameter.

Exceptions

Exception Condition
ArgumentOutOfRangeException

time is outside the range supported by this calendar.

Remarks

The DayOfWeek values are as follows:

DayOfWeek value

which indicates

Sunday

الاحد (Al-Ahad)

Monday

الاثنين (Al-Ithnayn)

Tuesday

الثلاثاء (At-Thulaathaa')

Wednesday

الاربعاء (Al-Arbi'aa')

Thursday

الخميس (Al-Khamiis)

Friday

الجمعة (Al-Jumu'ah)

Saturday

السبت (As-Sabt)

Examples

The following example displays the values of several components of a DateTime in terms of the Um Al Qura calendar.

Imports System.Globalization

Module Example
   Public Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)
      Dim date1 As Date = New Date(2011, 4, 3, New GregorianCalendar())
      Dim cal As New UmAlQuraCalendar()

      outputBlock.Text &= String.Format("{0:MMMM d, yyyy} in the Gregorian calendar is equivalent to:", 
                                        date1) & vbCrLf
      DisplayCalendarInfo(outputBlock, cal, date1)

      ' Add 2 years and 10 months by calling UmAlQuraCalendar methods.
      date1 = cal.AddYears(date1, 2)
      date1 = cal.AddMonths(date1, 10)

      outputBlock.Text += String.Format("After adding 2 years and 10 months in the {0} calendar,",  
                        GetCalendarName(cal)) & vbCrLf
      outputBlock.Text &= String.Format("{0:MMMM d, yyyy} in the Gregorian calendar is equivalent to:", 
                                        date1) & vbCrLf 
      DisplayCalendarInfo(outputBlock, cal, date1)
   End Sub

   Private Sub DisplayCalendarInfo(ByVal outputBlock As System.Windows.Controls.TextBlock, ByVal cal As Calendar, ByVal date1 As Date)
      outputBlock.Text += String.Format("   Calendar:   {0}", GetCalendarName(cal)) & vbCrLf
      outputBlock.Text += String.Format("   Era:        {0}", cal.GetEra(date1)) & vbCrLf
      outputBlock.Text += String.Format("   Year:       {0}", cal.GetYear(date1)) & vbCrLf
      outputBlock.Text += String.Format("   Month:      {0}", cal.GetMonth(date1)) & vbCrLf
      outputBlock.Text += String.Format("   DayOfYear:  {0}", cal.GetDayOfYear(date1)) & vbCrLf
      outputBlock.Text += String.Format("   DayOfMonth: {0}", cal.GetDayOfMonth(date1)) & vbCrLf
      outputBlock.Text += String.Format("   DayOfWeek:  {0}", cal.GetDayOfWeek(date1)) & vbCrLf
      outputBlock.Text &= vbCrLf
   End Sub

   Private Function GetCalendarName(ByVal cal As Calendar) As String
      Return cal.ToString().Replace("System.Globalization.", "").
      Replace("Calendar", "")
   End Function
End Module
' The example displays the following output:
'    April 3, 2011 in the Gregorian calendar is equivalent to:
'       Calendar:   UmAlQura
'       Era:        1
'       Year:       1432
'       Month:      4
'       DayOfYear:  118
'       DayOfMonth: 29
'       DayOfWeek:  Sunday
'    
'    After adding 2 years and 10 months in the UmAlQura calendar,
'    January 1, 2014 in the Gregorian calendar is equivalent to:
'       Calendar:   UmAlQura
'       Era:        1
'       Year:       1435
'       Month:      2
'       DayOfYear:  59
'       DayOfMonth: 29
'       DayOfWeek:  Wednesday
using System;
using System.Globalization;

public class Example
{
   public static void Demo(System.Windows.Controls.TextBlock outputBlock)
   {
      DateTime date1 = new DateTime(2011, 4, 3, new GregorianCalendar());
      Calendar cal = new UmAlQuraCalendar();

      outputBlock.Text += String.Format("{0:MMMM d, yyyy} in the Gregorian calendar is equivalent to:\n", 
                                        date1);
      DisplayCalendarInfo(outputBlock, cal, date1);

      // Add 2 years and 10 months by calling UmAlQuraCalendar methods.
      date1 = cal.AddYears(date1, 2);
      date1 = cal.AddMonths(date1, 10);

      outputBlock.Text += String.Format("After adding 2 years and 10 months in the {0} calendar,\n",
                        GetCalendarName(cal));
      outputBlock.Text += String.Format("{0:MMMM d, yyyy} in the Gregorian calendar is equivalent to:\n", 
                                        date1);
      DisplayCalendarInfo(outputBlock, cal, date1);
   }

   private static void DisplayCalendarInfo(System.Windows.Controls.TextBlock outputBlock, Calendar cal, DateTime date1)
   {
      outputBlock.Text += String.Format("   Calendar:   {0}", GetCalendarName(cal)) + "\n";
      outputBlock.Text += String.Format("   Era:        {0}", cal.GetEra(date1)) + "\n";
      outputBlock.Text += String.Format("   Year:       {0}", cal.GetYear(date1)) + "\n";
      outputBlock.Text += String.Format("   Month:      {0}", cal.GetMonth(date1)) + "\n";
      outputBlock.Text += String.Format("   DayOfYear:  {0}", cal.GetDayOfYear(date1)) + "\n";
      outputBlock.Text += String.Format("   DayOfMonth: {0}", cal.GetDayOfMonth(date1)) + "\n";
      outputBlock.Text += String.Format("   DayOfWeek:  {0}\n", cal.GetDayOfWeek(date1)) + "\n";
   }

   private static string GetCalendarName(Calendar cal)
   {
      return cal.ToString().Replace("System.Globalization.", "").
             Replace("Calendar", "");
   }
}
// The example displays the following output:
//    April 3, 2011 in the Gregorian calendar is equivalent to:
//       Calendar:   UmAlQura
//       Era:        1
//       Year:       1432
//       Month:      4
//       DayOfYear:  118
//       DayOfMonth: 29
//       DayOfWeek:  Sunday
//    
//    After adding 2 years and 10 months in the UmAlQura calendar,
//    January 1, 2014 in the Gregorian calendar is equivalent to:
//       Calendar:   UmAlQura
//       Era:        1
//       Year:       1435
//       Month:      2
//       DayOfYear:  59
//       DayOfMonth: 29
//       DayOfWeek:  Wednesday

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Change History

Date

History

Reason

October 2010

Replaced the example.

Customer feedback.