public List<TptEmployee> Tpt_GetEmp()
 {
     using (var context = new TptContext())
     {
         var emps = context.TptEmployees.ToList();
         return emps;
     }
 }
 public void Tpt_AddEmp(TptContractEmployee emp)
 {
     using (var context = new TptContext())
     {
         context.TptEmployees.Add(emp);
         context.SaveChanges();
     }
 }