.net - Set Week Number Of "1/2/2011(Sun)" As 52 Of 2010?
Dec 5, 2011
How can I set week number of "1/2/2011(Sun)" as 52 of 2010?
When I write as follows, it says week number is "1".
Dim dtTest As Integer = DatePart(DateInterval.WeekOfYear, CDate("2012/01/02"), _
FirstDayOfWeek.Monday, FirstWeekOfYear.FirstFullWeek)
Why is it? I set FirstDayOfWeek as Monday, so week number of "1/2/2011(Sun)" Should be 52, right?
"1/2/2011(Sun)" is just an example.
I want general method to do:
1. First day of week is Monday.
2. First week of year is the first full week which stat with Monday.
3. The last week of year should contain dates before the first week of the next year(such as 1/1/2011(Sat), 1/2/2011(Sun))
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Aug 4, 2009
I need to generate a report that shows the 52 weeks of a year (or 53 weeks as some years have) and their start and end dates. There is an ISO spec to do this but seems awfully complicated! Im hoping someone knows of a way to do it in C# or Visual Basic (its actually for Visual Basic 6 but I will try port it across)
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Aug 6, 2010
In regular SQL i could do something like
SELECT * From T GROUP BY DATEPART(wk, T.Date)
How can i do that in Linq to SQL ?
The following don't work
From F In DB.T Group R By DatePart(DateInterval.WeekOfYear, F.Date)
Also don't work:
From F In DB.T Group R By (F.Date.DayOfYear / 7)
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Jun 23, 2009
I have following code (in VBA, excell) for calculating a date.I have variable for yeay, weeknumber and daynumber from week, now i wanna calculate the exact date. [code] But when i place this code in vb.net don't get the correct month.It displays correctly the year, day and daynumber but is displays the month as '00'. What do i have to change?
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"WK 28 2010"
"WK 30 2010"
They could be any any valid week number.
The Monday on Week 28 of the year is 12 July 2010
The Monday on Week 30 of the year is 26 July 2010
Its these dates that I need.
I guess I could create a lookup table, but would prefer a more smarter approach so my software will be future compatible?
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Mar 21, 2011
I have a datetime datatype field in mssql2005 database ...
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Dim aftersubtraction As Date
aftersubtraction = departuredate.AddDays(-dates1.Text)
dates.Add(aftersubtraction.AddDays(-gracep.Text))
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With dgv_WorkHistory
For i = 0 To .RowCount - 1
If CDate(.Rows(i).Cells("DateOfWork").Value) = Today Then
[code].....
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I'm looking for a definitive, standard (i.e. certified as being correct or tested reasonably thoroughly) for calculating the ISO week from a date, in Visual Basic (i.e. to run in a Visual Studio Express 2010 Visual Basic project). I found some routines that were Visual Basic for Applications oriented; reliant on Excel environment, some things not present in Visual Studio Express 2010 Visual Basic: [URL]
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I already have the GUI made up with a MaskedTextBox set to simple date and it is named = mtbDayOfBirth
I also have the button already to calculate this, and a read only text box named = txtBox2.
My code so far is:
Private Sub Button2_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim d As Date = CDate(mtbDateOfBirth.Text)
txtBox2.Text =
End Sub
End Class
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[Code]...
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Datediff
Parse
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[Code]...
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Private Sub pgeMathAssist_Loaded(sender As Object, e As RoutedEventArgs) Handles
[code].....
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I'm converting my date 01/June/2011 to FileTimeUTC so I'm getting a value of
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