private DateTime GetPreDate(DateTime dateTime)
{
try
{
return(Picker switch
{
DatePickerType.Date => DateHelper.AddDaysSafely(dateTime, -1),
DatePickerType.Year => DateHelper.AddYearsSafely(dateTime, -1),
DatePickerType.Month => DateHelper.AddMonthsSafely(dateTime, -1),
DatePickerType.Quarter => DateHelper.AddMonthsSafely(dateTime, -3),
_ => dateTime,
});
}