public NepaliDate AddMonths(int months)
{
DateTime dt = DateConvertor.GetEnglishDate(this.ToString());
dt = dt.AddMonths(months);
return(DateConvertor.GetNepaliDate(dt));
}
public NepaliDate AddYears(int years)
{
DateTime dt = DateConvertor.GetEnglishDate(this.ToString());
dt = dt.AddYears(years);
return(DateConvertor.GetNepaliDate(dt));
}
public int CompareTo(NepaliDate other)
{
DateTime engOther = DateConvertor.GetEnglishDate(other.ToString());
DateTime engThis = DateConvertor.GetEnglishDate(this.ToString());
return(engThis.CompareTo(engOther));
}
private bool ConvertStringToNepaliDate(string nepaliDate, DateFormatTypes dateFormatType)
{
int tmp = 0;
switch (dateFormatType)
{
case DateFormatTypes.yyyyMMdd:
//convert the date in YYYY/MM/DD format eg. 2065/03/05 to day, month and year.
if (nepaliDate.Trim().Length == 10)
{
tmp = Conversion.ToInt32(nepaliDate.Substring(0, 4));
//extract year.
if (DateConvertor.IsValidYear(tmp, true))
{
_year = tmp;
}
else
{
throw new Exception("Date format must be YYYY/MM/DD. eg. 2065/03/05");
}
//extract month:
tmp = Conversion.ToInt32(nepaliDate.Substring(5, 2));
if (DateConvertor.GetDaysInNepaliMoth(_year, tmp) > 0)
{
_month = tmp;
}
else
{
throw new Exception("Date format must be YYYY/MM/DD. eg. 2065/03/05");
}
//extract day:
tmp = Conversion.ToInt32(nepaliDate.Substring(8, 2));
if (tmp > 0 &&
tmp <= DateConvertor.GetDaysInNepaliMoth(_year, _month))
{
_day = tmp;
}
else
{
_day = DateConvertor.GetDaysInNepaliMoth(_year, _month); //current month days... if not exis
}
//throw new Exception("Date format must be YYYY/MM/DD. eg. 2065/03/05");
return(true);
}
else
{
throw new Exception("Date format must be YYYY/MM/DD. eg. 2065/03/05");
}
//break;
default:
throw new Exception("Other date formats not supported");
}
//return false;
}
private void calc()
{
DaysInMonth = DateConvertor.GetDaysInNepaliMoth(Year, Month);
NepaliDate np = new NepaliDate(Year, Month, 1);
StartDate = DateConvertor.GetEnglishDate(np.ToString());
np.Day = DaysInMonth;
EndDate = DateConvertor.GetEnglishDate(np.ToString());
}
/// <summary>
/// Check if the given date is nepali date or not and returns to if a valid date.
/// </summary>
/// <param name="nepaliDate"></param>
/// <param name="dateFormatType"></param>
/// <returns>Returns true if valid date else false.</returns>
public static bool IsValidDate(string nepaliDate, DateFormatTypes dateFormatType)
{
int tmp = 0;
switch (dateFormatType)
{
case DateFormatTypes.yyyyMMdd:
//convert the date in YYYY/MM/DD format eg. 2065/03/05 to day, month and year.
if (nepaliDate.Trim().Length == 10)
{
tmp = Conversion.ToInt32(nepaliDate.Substring(0, 4));
int yr, mnth, days;
//extract year.
if (DateConvertor.IsValidYear(tmp, true))
{
yr = tmp;
}
else
{
return(false);
}
//extract month:
tmp = Conversion.ToInt32(nepaliDate.Substring(5, 2));
if (DateConvertor.GetDaysInNepaliMoth(yr, tmp) > 0)
{
mnth = tmp;
}
else
{
return(false);
}
//extract day:
tmp = Conversion.ToInt32(nepaliDate.Substring(8, 2));
if (tmp > 0 &&
tmp <= DateConvertor.GetDaysInNepaliMoth(yr, mnth))
{
days = tmp;
}
else
{
return(false);
}
return(true);
}
//throw new Exception("Date format must be YYYY/MM/DD. eg. 2065/03/05");
break;
default:
throw new Exception("Other date formats not supported");
}
return(false);
}
