Get the date difference - CSharp System

CSharp examples for System:DateTime Calculate

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Description

Get the date difference

Demo Code


using System;/*from  w  w  w . j a  v  a  2 s  .c  o  m*/

public class Main{
      public static long DateDiff(DateInterval Interval, System.DateTime StartDate, System.DateTime EndDate)
      {
         long lngDateDiffValue = 0;

         System.TimeSpan TS = new System.TimeSpan(EndDate.Ticks - StartDate.Ticks);
         switch (Interval)
         {
            case DateInterval.Day:
               lngDateDiffValue = (long)TS.Days;
               break;
            case DateInterval.Hour:
               lngDateDiffValue = (long)TS.TotalHours;
               break;
            case DateInterval.Minute:
               lngDateDiffValue = (long)TS.TotalMinutes;
               break;
            case DateInterval.Month:
               lngDateDiffValue = (long)(TS.Days / 30);
               break;
            case DateInterval.Quarter:
               lngDateDiffValue = (long)((TS.Days / 30) / 3);
               break;
            case DateInterval.Second:
               lngDateDiffValue = (long)TS.TotalSeconds;
               break;
            case DateInterval.Week:
               lngDateDiffValue = (long)(TS.Days / 7);
               break;
            case DateInterval.Year:
               lngDateDiffValue = (long)(TS.Days / 365);
               break;
         }

         return (lngDateDiffValue);
      }
}

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