How to calculate quarter month and half year of the given date from datetimepicker in C#

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I want to calculate Quarter month and half year from given date.
I did this for quarter month.but I think its wrong.pls help me.

What I have tried:

private void dtDate_ValueChanged(object sender, EventArgs e)
{
DateTime date=dtDate.Value;

dtQuarter.Value = (dtDate.Value.AddMonths(3));

}

Posted 3-Aug-16 21:23pm

Member 12385326

Updated 29-Mar-22 22:12pm

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Comments

Ralf Meier 4-Aug-16 3:34am

Which should be the result for quarter-month ?
January to March = Quarter 1
April to June = Quarter 2
July to September = Quarter 3
October to December = Quarter 4

... and Half Year ?
January to June = 1st
July to December = 2nd

Member 12385326 4-Aug-16 4:01am

it should be in date only.i mean if I select start date=2013-07-01 then end date=2013-09-30 like this.

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OriginalGriff · Accepted Answer · 2016-08-03T21:35:00

Solution 1

For quarter, try:

C#

public DateTime GetQuarterEnd(DateTime dt)
    {
    int month = dt.Month;
    month = ((month + 2) / 3) * 3;
    return new DateTime(dt.Year, month, 1).AddMonths(1).AddDays(-1);
    }

You add one month then subtract one day to get the last day of the quarter.

Posted 3-Aug-16 21:35pm

OriginalGriff

Comments

Member 12385326 4-Aug-16 4:20am

@OriginalGriff please suggest how to set this value for datetimepicker.
I have 2 datetimpicker. o the valueChanged Eent of fisrt second displays the quarter date

OriginalGriff 4-Aug-16 4:31am

Ummm...

myOutputDateTimePicker.Value = GetQuarterEnd(myInputDateTimePicker.Value);

Member 12385326 4-Aug-16 4:34am

Thanks a lot. it works

Member 12385326 4-Aug-16 4:35am

please provide solution for half year also

OriginalGriff 4-Aug-16 4:43am

Oh come on!
That one is either a small change to the existing code or a trivial "if" test!

Maciej Los 4-Aug-16 4:25am

5ed!