This method returns the number of days in the specified month and year. This method always interprets month and year as the month and year of the Gregorian calendar even if the Gregorian calendar is not the current culture’s current calendar.
public static int DaysInMonth (int year, int month);
Return Value: This method return the number of days in the month for the specified year. For example, if month equals 2 for February, the return value will be 28 or 29 depending upon whether the year is a leap year.
Exception: This method will give ArgumentOutOfRangeException if month is less than 1 or greater than 12 or year is less than 1 or greater than 9999.
Below programs illustrate the use of the above-discussed method:
31 29 28
System.ArgumentOutOfRangeException: Year must be between 1 and 9999.
Parameter name: year