I am trying to adjust hijri date by adding one or two days to current date as in normal gregorian date but seems to be different in C#, this is my code giving me an error:
string does not contain a definition for AddDays.
var HijriDate = DateTime.Now.ToString("dddd dd MMMM yyyy", new CultureInfo("ar-SA"));
var NewHijriDate = HijriDate.AddDays(1);
Labelhijridate.Text = NewHijriDate;