I'm doing a timesheet web base codes in C#.  Our work week is from Thurs  to Wed.  I'm trying to find the best way how to find the Week start & week end base on users input

If user input of any date value, the function should return the date of weekstart & the date of week end.
For example, if user input March 8, 2009, the function will automatically return:  March 5 date as week start,  & March 11 date as week end

I wrote a long function as below.  Does anyone know of the shorter way?

Thanks

DateTime enterdate = DateTime.Now;

beginweek = enterdate.AddDays(-2 * Convert.ToInt16(enterdate.DayOfWeek));

I think we can do a little better:

    protected void Button1_Click(object sender, EventArgs e)
    {
        DateTime Test = new DateTime(2009, 3, 8);

        DateTime Start, End;

        GetWorkWeekDates(Test, out Start, out End);
    }

    // ---- GetWorkWeekDates -----------------------

    void GetWorkWeekDates(DateTime Input, out DateTime Start, out DateTime End)
    {
        while (Input.Date.DayOfWeek != DayOfWeek.Thursday)
            Input = Input.Date.AddDays(-1);

        Start = Input;
        End = Input.AddDays(6);
    }

I still don't understand your codes.  How do I get the week start date & the week end date from user input?

I think his code is incomplete. Essentially, it only checks for "Thursday". You still need to check for each day and get the start date and add 7 days to start date to get the end of the week date.

shahk26:

I think his code is incomplete. Essentially, it only checks for "Thursday".

No, the code is complete. 

If you pass a date in, it returns two dates, the Thursday before the input date, and the Wednesday after the input date.

shahk26:

You still need to check for each day and get the start date and add 7 days to start date to get the end of the week date.

I am adding 6 days, not 7, because the requirement is to get a Thursday to Wednesday span (not a Thursday to Thursday span).

I included a test that shows that the function works.  Try it.

Yes, you are right , I did not see the "while" loop. My Bad :)

I just tried your codes, it works.

 Can you show me how to find the week # base on that codes?