public static bool IsValidGregorianDate(int intGCDay, int intGCMonth, int intGCYear)
{
if (EthiopianCalendarDateTime.IsValidRange(intGCYear, 1900, 9998) == true)
{
if (EthiopianCalendarDateTime.IsValidRange(intGCMonth, 1, 12) == true)
{
if (EthiopianCalendarDateTime.IsValidRange(intGCDay, 1, DateTime.DaysInMonth(intGCYear, intGCMonth)) == true)
{
return(true);
}
else
{
EthiopianCalendarDateTime.ErrorMessage = "Day should be from 1 to " + DateTime.DaysInMonth(intGCYear, intGCMonth);
return(false);
}
}
else
{
EthiopianCalendarDateTime.ErrorMessage = "Month should be from 1 to 12";
return(false);
}
}
else
{
EthiopianCalendarDateTime.ErrorMessage = "Gregorian calendar year should be from 1900 to 9998";
return(false);
}
}
public static bool IsValidEthiopicDate(int intEthDay, int intEthMonth, int intEthYear)
{
if (EthiopianCalendarDateTime.IsValidRange(intEthDay, 1, 30) == true)
{
if (EthiopianCalendarDateTime.IsValidRange(intEthMonth, 1, 13) == true)
{
if (EthiopianCalendarDateTime.IsValidRange(intEthYear, 1900, 9991))
{
if (EthiopianCalendarDateTime.IsETLeapYear(intEthYear) == true)
{
if (intEthMonth == 13)
{
if (EthiopianCalendarDateTime.IsValidRange(intEthDay, 1, 6) == true)
{
}
else
{
EthiopianCalendarDateTime.ErrorMessage = "Day should be from 1 to 6";
return(false);
}
}
}
else
{
if (intEthMonth == 13)
{
if (EthiopianCalendarDateTime.IsValidRange(intEthDay, 1, 5) == true)
{
}
else
{
EthiopianCalendarDateTime.ErrorMessage = "Day should be from 1 to 5";
return(false);
}
}
}
}
else
{
EthiopianCalendarDateTime.ErrorMessage = "Year should be from 1900 to 9991";
return(false);
}
}
else
{
EthiopianCalendarDateTime.ErrorMessage = "Month should be from 1 to 13";
return(false);
}
}
else
{
EthiopianCalendarDateTime.ErrorMessage = "Day should be from 1 to 30";
return(false);
}
return(true);
}