protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
        {
            int id = (int)GridView1.SelectedValue;

            AgenciasViajesApi api = new AgenciasViajesApi();

            Clientes cliente = api.SelectClienteById(id);

            GridView2.AutoGenerateColumns = true;
            GridView2.DataSource = cliente.Movimientos;
            GridView2.DataBind();

            FormView1.ChangeMode(FormViewMode.Edit);
            FormView1.DataBind();
        }
        // GET api/clientes
        public HttpResponseMessage Get()
        {
            try
            {

                var body = new AgenciasViajesApi().SelectAllClientes();
                if (body != null)
                {
                    return Request.CreateResponse(HttpStatusCode.OK, body);
                }
                return Request.CreateResponse(HttpStatusCode.NotFound);

            }
            catch (Exception ex)
            {
                HttpResponseMessage response = new HttpResponseMessage(HttpStatusCode.InternalServerError)
                {
                    Content =
                        new StringContent(string.Format("Error: {0} -- Error Asociado{1}", ex.Message,
                            ex.InnerException != null ? ex.InnerException.Message : ""))
                };
                return response;
            }
        }
        protected void CustomValidatorCodigo_ServerValidate(object source, ServerValidateEventArgs args)
        {
            AgenciasViajesApi api = new AgenciasViajesApi();

            args.IsValid = api.SelectAllVuelos().SingleOrDefault(p => p.Codigo == args.Value) == null;
        }
        public static IList<Clientes> SeleccionarClientes()
        {
            AgenciasViajesApi api = new AgenciasViajesApi();

            return api.SelectAllClientes();
        }