public static void AddEmpShiftMap(SchedulingDbContext schDbContext, EmployeeShiftMap shiftMap)
 {
     try
     {
         shiftMap.CreatedOn = System.DateTime.Now;
         schDbContext.EmpShiftMAP.Add(shiftMap);
         schDbContext.SaveChanges();
     }
     catch (Exception ex)
     {
         throw ex;
     }
 }
 public static void UpdateEmpShiftMap(SchedulingDbContext schDbContext, EmployeeShiftMap shiftMap)
 {
     try
     {
         shiftMap.ModifiedOn = System.DateTime.Now;
         schDbContext.EmpShiftMAP.Attach(shiftMap);
         schDbContext.Entry(shiftMap).State = EntityState.Modified;
         schDbContext.Entry(shiftMap).Property(x => x.CreatedOn).IsModified = false;
         schDbContext.Entry(shiftMap).Property(x => x.CreatedBy).IsModified = false;
         schDbContext.SaveChanges();
     }
     catch (Exception ex)
     {
         throw ex;
     }
 }