public DateTime ConvertPersianToGregorianDate(string persianDate)
{
var englishDigitPersianDate = FConvert.ToEnglishDigit(persianDate);
var tokens = englishDigitPersianDate.Split('/');
//validation
if (tokens.Length != 3)
{
throw new ArgumentException("Persian date must have 3 tokens");
}
var year = tokens[0];
var month = tokens[1];
var day = tokens[2];
//correcting date with format dd/mm/yyyy
if (month.Length == 2 && day.Length == 4 && year.Length == 2)
{
var temp = day;
day = year;
year = temp;
}
if (year.Length != 2 && year.Length != 4)
{
throw new ArgumentException("Persian year must be 2 or 4 digits");
}
if (month.Length > 2 || day.Length > 2)
{
throw new ArgumentException("Persian month/day must have 2 digit maximum");
}
if (year.Length == 2)
{
year = "13" + year;
}
var yearValue = Convert.ToInt32(year);
var monthValue = Convert.ToInt32(month);
var dayValue = Convert.ToInt32(day);
if (monthValue < 1 || monthValue > 12)
{
throw new ArgumentException("month must be between 1 and 12");
}
if (dayValue < 1 || dayValue > 31)
{
throw new ArgumentException("day must be between 1 and 31");
}
var pc = new PersianCalendar();
return(pc.ToDateTime(yearValue, monthValue, dayValue, 0, 0, 0, 0));
}
public bool IsValidPersianDate(string source)
{
var isValid = true;
try
{
var tokens = FConvert.ToEnglishDigit(source).Split('/');
var pc = new PersianCalendar();
pc.ToDateTime(Convert.ToInt32(tokens[0]), Convert.ToInt32(tokens[1]), Convert.ToInt32(tokens[2]), 0, 0, 0, 0);
}
catch
{
isValid = false;
}
return(isValid);
}
public string DatePartPersian(string datePart, string sourcePersianDate)
{
var tokens = FConvert.ToEnglishDigit(sourcePersianDate).Split('/');
switch (datePart.ToLower())
{
case "year":
return(tokens[0]);
case "month":
return(tokens[1]);
case "day":
return(tokens[2]);
default:
throw new ArgumentException("Invalid datePart");
}
}
public string ToLongPersianDateStringPersianDigit(DateTime?date)
{
if (date == null)
{
return(string.Empty);
}
var calendar = new PersianCalendar();
var day = calendar.GetDayOfMonth(date.Value);
var dayOfWeek = calendar.GetDayOfWeek(date.Value);
var month = calendar.GetMonth(date.Value);
var year = calendar.GetYear(date.Value);
var persianString = string.Format("{0} {1} {2} {3}", GetPersianNameOfWeek(dayOfWeek),
FConvert.ToPersianDigit(day), GetPersianNameOfMonth(month),
FConvert.ToPersianDigit(year));
return(persianString);
}
public string ConvertToPersianDatePersianDigit(DateTime?date)
{
return(FConvert.ToPersianDigit(ConvertToPersianDate(date)));
}