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.NET and JavaScript UI Controls
Version 24.2 (latest)

FirstDayOfWeek Property

Returns or sets the DayOfWeek used as the first day of the week for various date calculations.
Syntax
public FirstDayOfWeek FirstDayOfWeek {get; set;}
Remarks

The default value for this property is Default which means that the FirstDayOfWeek used is based on the current system settings.

Example
This example uses the FirstDayOfWeekResolved property to determine whether Sunday is the default value and if it is, it uses the FirstDayOfWeek property to change it to Monday.

Imports Infragistics.Win
Imports Infragistics.Win.UltraWinSchedule
Imports System.IO
Imports System.Globalization

    Private Sub button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles button1.Click

        '	Set the property to Default
        Me.ultraCalendarInfo1.FirstDayOfWeek = Infragistics.Win.UltraWinSchedule.FirstDayOfWeek.Default

        '	Use the FirstDayOfWeekResolved property to determine the actual first
        '	day of the week
        Dim firstDayOfWeek As DayOfWeekEnum = Me.ultraCalendarInfo1.FirstDayOfWeekResolved

        '	If the resolved value for the first day of the week is Sunday, change it to Monday
        If (firstDayOfWeek = DayOfWeekEnum.Sunday) Then
            Me.ultraCalendarInfo1.FirstDayOfWeek = Infragistics.Win.UltraWinSchedule.FirstDayOfWeek.Monday
        End If

    End Sub
'Declaration
 
Public Property FirstDayOfWeek As FirstDayOfWeek
 
using System.Diagnostics;
using Infragistics.Win;
using Infragistics.Win.UltraWinSchedule;
using System.IO;
using System.Globalization;

		private void button1_Click(object sender, System.EventArgs e)
		{

			//	Set the property to Default
			this.ultraCalendarInfo1.FirstDayOfWeek = FirstDayOfWeek.Default;

			//	Use the FirstDayOfWeekResolved property to determine the actual first
			//	day of the week
			DayOfWeekEnum firstDayOfWeek = this.ultraCalendarInfo1.FirstDayOfWeekResolved;

			//	If the resolved value for the first day of the week is Sunday, change it to Monday
			if ( firstDayOfWeek == DayOfWeekEnum.Sunday )
				this.ultraCalendarInfo1.FirstDayOfWeek = FirstDayOfWeek.Monday;
		
		}
'Declaration
 
Public Property FirstDayOfWeek As FirstDayOfWeek
 
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also