public void GetSellers()
        {
            var pResult = "";
            var ds      = _objSeller.GetAllSellers(Session["connectionString"].ToString(), ref pResult);

            if (pResult == "")
            {
                LookupSeller.DataSource = ds;
                LookupSeller.DataBind();
                Session["DS_SELLER_USER"] = ds;
            }
            else
            {
                ScriptManager.RegisterStartupScript(this, GetType(), "ErrorText", "CallError('" + pResult + "');", true);
            }
        }
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!ValidarConexionYUsuarioLogueado(sender))
            {
                return;
            }
            LookupWarehouse.GridView.Width = 300;
            LookupRoles.GridView.Width     = 300;
            ASPxTextBox5.Enabled           = true;
            ASPxMenu3.Items.FindByName("btnAgregarCliente").Visible = AgregarCliente();

            if (!Page.IsPostBack)
            {
                GetUsers();
                GetUserRole();
                GetSellers();
                GetWarehouseNotAsign("");
                GetWarehousePreSale();
                GetAllZones();
                //UsuarioSeleccionoUsuario?.Invoke(this,new RutaArgumento{ Data = new Ruta{CODE_ROUTE = "" }, Usuario = new Usuario{ LOGIN = ""}});
                return;
            }
            Connection = Session["connectionString"].ToString();
            if (!Page.IsPostBack)
            {
                Session["ACTION"]        = "UPDATE";
                Session["base64Profile"] = null;
            }
            if (Page.IsPostBack)
            {
                ReportView();
            }
            if (Session["DS_USER"] != null)
            {
                ASPxGridView1.DataSource = Session["DS_USER"];
                ASPxGridView1.DataBind();
            }
            else
            {
                GetUsers();
            }
            if (Session["DS_USER_ROLE"] != null)
            {
                CmbUserRole.DataSource = Session["DS_USER_ROLE"];
                CmbUserRole.ValueField = "NAME_CLASSIFICATION";
                CmbUserRole.TextField  = "VALUE_TEXT_CLASSIFICATION";
                CmbUserRole.DataBind();
            }
            else
            {
                GetUserRole();
            }
            if (Session["DS_SELLER_USER"] != null)
            {
                LookupSeller.DataSource = Session["DS_SELLER_USER"];
                LookupSeller.DataBind();
            }
            else
            {
                GetSellers();
            }
            if (Session["DS_WAREHOUSE_NOTASIGN"] != null)
            {
                LookupWarehouse.DataSource = Session["DS_WAREHOUSE_NOTASIGN"];
                LookupWarehouse.DataBind();
            }
            else
            {
                if (!Page.IsPostBack)
                {
                    GetWarehouseNotAsign("");
                }
            }
            if (Session["DS_WAREHOUSE_PRESALE"] != null)
            {
                LookupWarehousePre.DataSource = Session["DS_WAREHOUSE_PRESALE"];
                LookupWarehousePre.DataBind();
            }
            else
            {
                GetWarehousePreSale();
            }
            if (Session["UiVistaPoligonosDeRuta"] != null)
            {
                UiVistaPoligonosDeRuta.DataSource = Session["UiVistaPoligonosDeRuta"];
                UiVistaPoligonosDeRuta.DataBind();
            }

            if (Session["ListaRuta"] != null)
            {
                UiListaRuta.DataSource = Session["ListaRuta"];
                UiListaRuta.DataBind();
            }
            if (Session["UiListaZona"] != null)
            {
                UiListaZona.DataSource = Session["UiListaZona"];
                UiListaZona.DataBind();
            }
        }