Get last day of particular month
// for getting last day
of current month
int i =
System.DateTime.DaysInMonth(DateTime.Now.Year, DateTime.Now.Month);
// for getting last day of specified month and year.
int j =
System.DateTime.DaysInMonth(2010,3);
MessageBox.Show("Last Day is : " + i.ToString());
MessageBox.Show("Last Day is : " + j.ToString());