How to get the percentage of hours…?

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I am developing a web application using asp.net c#. In that I need to get the percentage of Time.
I am not getting the correct way to accomplish this. I have TotalHours which is coming from db.
I need to calculate the 80% of that TotalHours.
Please help me. Thanks in adv.....

TimeSpan TotalTime = TimeSpan.Parse(totalhours);

if(TotalTime != null)
{

TimeSpan Percentage= ( TotalTime* 80 ) / 100;
// here I need to get correct percentage in hrs
// If TotalTime is 10 hrs then Percentage should be 8 hrs 
}

Posted 4-Jul-15 0:05am

Member 10514404

Updated 4-Jul-15 0:32am

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DamithSL · Answer 1 · 2015-07-04T00:36:00

Solution 1

you can use TotalHours property of TimeSpan

C#

TimeSpan TotalTime =(DateTime.Now.AddHours(10)-DateTime.Now); // sample code give you 10 hours for testing 
double Percentage =hours.TotalHours*.8; // for above value you will get 8 as percentage

Posted 4-Jul-15 0:36am

DamithSL

Comments

George Swan 4-Jul-15 18:23pm

You may need to be a bit careful here as the fractional part of an hour is often expressed as base 60, so 10.40 means 10hrs 40 minutes not 10hrs 24minutes