private bool IsPrevButtonEnabled()
{
DateTime minDate = SalesProvider.GetMinDate();
DateTime currentDate = CurrentDate;
minDate = DateTimeHelper.GetIntervalStartDate(minDate, SelectionInterval);
currentDate = DateTimeHelper.GetIntervalStartDate(CurrentDate, SelectionInterval);
return(minDate < currentDate);
}
private void UpdateMinMaxDate()
{
MinDateTime = DateTimeHelper.GetIntervalStartDate(SalesProvider.GetMinDate(), SelectionInterval.Month);
MaxDateTime = DateTimeHelper.GetIntervalEndDate(SalesProvider.GetMaxDate(), SelectionInterval.Month);
}