//Insert new person
 public string AddPerson(People p)
 {
     if (p != null)
     {
         using (DbForMODEntity dataContext = new DbForMODEntity())
         {
             dataContext.P_InsertData(p.FirstName, p.LastName, p.BornDate);
             dataContext.SaveChanges();
             return("Person Updated");
         }
     }
     else
     {
         return("Invalid Person");
     }
 }
 //Delete person
 public string DeletePerson(People p)
 {
     if (p != null)
     {
         using (DbForMODEntity dataContext = new DbForMODEntity())
         {
             int no           = Convert.ToInt32(p.ID);
             var employeeList = dataContext.P_DeleteData(no);
             dataContext.SaveChanges();
             return("Person Deleted");
         }
     }
     else
     {
         return("Invalid Person");
     }
 }
 //Update person
 public string UpdatePerson(People p)
 {
     if (p != null)
     {
         using (DbForMODEntity dataContext = new DbForMODEntity())
         {
             int no           = Convert.ToInt32(p.ID);
             var employeeList = dataContext.P_UpdateData(no, p.FirstName, p.LastName, p.BornDate);
             dataContext.SaveChanges();
             return("Person Updated");
         }
     }
     else
     {
         return("Invalid Person");
     }
 }