public static DataPointController GetDataPoints()
 {
     if (ctrler == null)
     {
         ctrler = new DataPointController();
     }
     return ctrler;
 }
 public static DataPointController GetDataPoints()
 {
     if (ctrler == null)
     {
         ctrler = new DataPointController();
     }
     return(ctrler);
 }