public static DateTime CalcMaxPeriodDate(int year, int period)
{
PeridStrunct periods = new PeridStrunct {
Year = year, Period = period
};
PeridStrunct next_periods = CalcNextPeriod(periods);
DateTime next_mouth_first_day = new DateTime(next_periods.Year, next_periods.Period, 1);
return(next_mouth_first_day.AddDays(-1));
}
public static PeridStrunct CalcPrevPeriod(PeridStrunct period)
{
PeridStrunct perv = new PeridStrunct();
if (period.Period == 1)
{
perv.Year = period.Year - 1;
perv.Period = 12;
}
else
{
perv.Year = period.Year;
perv.Period = period.Period - 1;
}
return(perv);
}
public static PeridStrunct CalcNextPeriod(PeridStrunct period)
{
PeridStrunct next = new PeridStrunct();
if (period.Period == 12)
{
next.Year = period.Year + 1;
next.Period = 1;
}
else
{
next.Year = period.Year;
next.Period = period.Period + 1;
}
return(next);
}
