public CoTravelerModel CreateCoTravelerModel(CoTraveler coTraveler)
 {
     return new CoTravelerModel()
     {
         CoTravelerId = coTraveler.CoTravelerId,
         Name = coTraveler.Name,
         Relationship = coTraveler.Relationship,
         UserId = coTraveler.UserId,
         message = "success"
     };
 }
        private void buttonCoTravelerInsert_Click(object sender, EventArgs e)
        {
            using (var db = new GIIContext())
            {
                GIIRepository repo = new GIIRepository(db);
                int userId = Convert.ToInt32(textBoxUser_CO_Id.Text);
                CoTraveler co = new CoTraveler()
                {
                    Name = textBoxCoName.Text,
                    Relationship = textBoxCo_Relationship.Text,
                    UserId = Convert.ToInt32(textBoxUser_CO_Id.Text)
                };

                repo.AddCoTraveler(co);
                repo.SaveAll();
            }
        }