public bool SignIn()
 {
     try
     {
         return(_singInDA.SignIn(SelectedView.UserInfo));
     }
     catch (Exception)
     {
         throw;
     }
     return(false);
 }
 public bool SignMeUp()
 {
     try
     {
         if (!(_singInDA.SignIn(SelectedView.EmployeeInfo.UserInfo)))
         {
             return(_singInDA.SignUp(SelectedView.EmployeeInfo));
         }
         else
         {
             return(false);
         }
     }
     catch (Exception)
     {
         throw;
     }
 }