how to calculate duration

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C#

how do i calculate duration,of years having inserted a calender?

Posted 27-Feb-12 22:17pm

shongwe manqoba

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ckulasekaran 28-Feb-12 4:28am

Using datetimepicker and use nodays = System.DateTime.DaysInMonth(iyear, imonth)

Tejas Vaishnav 28-Feb-12 4:41am

not clear please provide more description

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OriginalGriff · Accepted Answer · 2012-02-27T22:28:00

Solution 1

Timespan does not include years (because it doesn't know when the time span starts):

C#

TimeSpan diff = myCalender.SelectedDate - DateTime.Now; 
DateTime diffCalc = DateTime.MinValue + diff;
int years = diffCalc.Year - 1;

Posted 27-Feb-12 22:28pm

OriginalGriff

Comments

Manfred Rudolf Bihy 28-Feb-12 4:43am

Nice one! 5+

Had to look up DateTime.MinValue and yes it starts in the year one: 00:00:00.0000000, January 1, 0001.
:doh:

OriginalGriff 28-Feb-12 5:07am

Yes, it's a PITA, but understandable - since Timespan doesn't know then the time starts, it can't give you months or years and you have to play silly buggers! :laugh: