protected void ChangePickerMonthValue(int interval)
{
DateTime baseDate;
if (IsShowTime || PickerIndex == 0)
{
baseDate = PickerValue;
}
else
{
baseDate = PickerValue.AddMonths(-1);
}
ChangePickerValue(DateHelper.AddMonthsSafely(baseDate, interval), null);
}
protected void ChangePickerYearValue(int interval)
{
DateTime baseDate;
if (IsShowTime || PickerIndex == 0)
{
baseDate = PickerValue;
}
else
{
baseDate = Picker switch
{
DatePickerType.Date => PickerValue.AddMonths(-1),
DatePickerType.Week => PickerValue.AddMonths(-1),
DatePickerType.Year => PickerValue.AddYears(-10),
_ => PickerValue.AddYears(-1)
};
}
ChangePickerValue(DateHelper.AddYearsSafely(baseDate, interval), null);
}
protected void ChangePickerMonthValue(int interval)
{
DatePicker.ChangePickerValue(PickerValue.AddMonths(interval), PickerIndex);
}