Cannot convert from Hijri Date to Gregorian date (c#)

Question

Now i am working with Hijri dates and trying to convert them to Gregorian dates using the following code :

string HijriDate;
string[] allFormats ={\"yyyy         


        

Answer 1

Max Value of a days in a month can be calculated by DateTime.DaysInMonth(year, month)

and use it this way

int result = DateTime.DaysInMonth(2012, 2); // returns 29 being a leap year

but

int result = DateTime.DaysInMonth(2011, 2) // returns 28 being a non-leap year