/// <summary>
/// Raises the DateValidationError event.
/// </summary>
/// <param name="e">A DatePickerDateValidationErrorEventArgs that contains the event data.</param>
protected virtual void OnDateValidationError(DatePickerDateValidationErrorEventArgs e)
{
EventHandler <DatePickerDateValidationErrorEventArgs> handler = this.DateValidationError;
if (handler != null)
{
handler(this, e);
}
}
// iT SHOULD RETURN NULL IF THE STRING IS NOT VALID, RETURN THE DATETIME VALUE IF IT IS VALID
/// <summary>
/// Input text is parsed in the correct format and changed into a DateTime object.
/// If the text can not be parsed TextParseError Event is thrown.
/// </summary>
private DateTime?ParseText(string text)
{
DateTime newSelectedDate;
// TryParse is not used in order to be able to pass the exception to the TextParseError event
try
{
newSelectedDate = DateTime.Parse(text, DateTimeHelper.GetCurrentDateFormat());
if (Calendar.IsValidDateSelection(this._calendar, newSelectedDate))
{
return(newSelectedDate);
}
else
{
DatePickerDateValidationErrorEventArgs dateValidationError = new DatePickerDateValidationErrorEventArgs(new ArgumentOutOfRangeException("text", SR.Get(SRID.Calendar_OnSelectedDateChanged_InvalidValue)), text);
OnDateValidationError(dateValidationError);
if (dateValidationError.ThrowException)
{
throw dateValidationError.Exception;
}
}
}
catch (FormatException ex)
{
DatePickerDateValidationErrorEventArgs textParseError = new DatePickerDateValidationErrorEventArgs(ex, text);
OnDateValidationError(textParseError);
if (textParseError.ThrowException && textParseError.Exception != null)
{
throw textParseError.Exception;
}
}
return(null);
}
// iT SHOULD RETURN NULL IF THE STRING IS NOT VALID, RETURN THE DATETIME VALUE IF IT IS VALID
/// <summary>
/// Input text is parsed in the correct format and changed into a DateTime object.
/// If the text can not be parsed TextParseError Event is thrown.
/// </summary>
private DateTime?ParseText(string text)
{
DateTime newSelectedDate;
// TryParse is not used in order to be able to pass the exception to the TextParseError event
try
{
newSelectedDate = ParsePersianDate(text);
if (PersianCalendar.IsValidDateSelection(this._persianCalendar, newSelectedDate))
{
return(newSelectedDate);
}
else
{
DatePickerDateValidationErrorEventArgs dateValidationError = new DatePickerDateValidationErrorEventArgs(new ArgumentOutOfRangeException("text", "SelectedDate value is not valid."), text);
OnDateValidationError(dateValidationError);
if (dateValidationError.ThrowException)
{
throw dateValidationError.Exception;
}
}
}
catch (FormatException ex)
{
DatePickerDateValidationErrorEventArgs textParseError = new DatePickerDateValidationErrorEventArgs(ex, text);
OnDateValidationError(textParseError);
if (textParseError.ThrowException && textParseError.Exception != null)
{
throw textParseError.Exception;
}
}
return(null);
}
