How can I print week Number from any day...

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.NET3.5

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Here I want to print week number and month number but week should start from Wednesday and not from Sunday .

e.g. week must start from (1-Jan-14 wed) it should show week no : 1 and on (8-jan-14 wed) it should show week no : 2., but I am not getting that .

My code is given below .

C#

DayOfWeek firstDayOfWeek = DateTimeFormatInfo.CurrentInfo.FirstDayOfWeek;
CalendarWeekRule weekRule = DateTimeFormatInfo.CurrentInfo.CalendarWeekRule;
DateTime date = DateTime.Now;
for (int i = 0; i <= 1; i++) {
  DateTime currentDate = date.AddDays(i);
  Label1.Text = " W " + CultureInfo.CurrentCulture.Calendar.GetWeekOfYear(
    currentDate, System.Globalization.CalendarWeekRule.FirstDay, DayOfWeek.Wednesday
  ) + " M " + CultureInfo.CurrentCulture.Calendar.GetMonth(currentDate);

[Edit member="Tadit"]
Added pre tags.
[/Edit]

Posted 9-Jul-14 19:48pm

Member 10929519

Updated 9-Jul-14 19:51pm

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

v2

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Hrushikesh_phapale · Answer 1 · 2014-07-09T20:39:00

hi,

Please find the below code,

C#

DateTime firstdate = DateTime.Now.AddDays(-DateTime.Now.Day + 1).AddMonths(-DateTime.Now.Month + 1);

Label1.Text = Convert.ToString((DateTime.Now - firstdate).TotalDays % 7 == 0 ? ((DateTime.Now - firstdate).TotalDays / 7) : Convert.ToInt32((DateTime.Now - firstdate).TotalDays / 7)+1);

hopes this will work for you....

[Edit member="Tadit"]
Added pre tags.
[/Edit]

George Jonsson · Answer 2 · 2014-07-09T21:13:00

Solution 2

Just to get the week number you can use the following code

C#

DateTime initialDate = new DateTime(2014, 1, 1);
TimeSpan dateDiff = DateTime.Now - initialDate;
int weekNumber = ((int)dateDiff.TotalDays / 7) + 1;

Posted 9-Jul-14 21:13pm

George Jonsson