GetDateForFirstDayOfWeek(DateTime) Method

Returns a System.DateTime for the first day of the week containing the date.

Syntax

Visual Basic

'Declaration
 
Public Overloads Function GetDateForFirstDayOfWeek( _
   ByVal date As Date _
) As Date

C#

public DateTime GetDateForFirstDayOfWeek( 
   DateTime date
)

Parameters

date

Date whose first day of the week is to be calculated.

Return Value

DateTime for the day that starts the week of the year.

Example

This example uses the GetDateForFirstDayOfWeek method to get the date of the first day of the first week of the current year.

Visual Basic

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

        Dim firstDateOfFirstWeek As DateTime
        firstDateOfFirstWeek = Me.ultraCalendarInfo1.GetDateForFirstDayOfWeek(1, DateTime.Today.Year)

        MessageBox.Show("The first day of the first week in the current year is " + firstDateOfFirstWeek.ToLongDateString() + "." + vbCrLf, "GetDateForFirstDayOfWeek", MessageBoxButtons.OK)

    End Sub

C#

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)
		{
			
			DateTime firstDateOfFirstWeek;
			firstDateOfFirstWeek = this.ultraCalendarInfo1.GetDateForFirstDayOfWeek( 1, DateTime.Today.Year );

			MessageBox.Show( "The first day of the first week in the current year is " + firstDateOfFirstWeek.ToLongDateString() + "." + "\n", "GetDateForFirstDayOfWeek", MessageBoxButtons.OK );

		}

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