private void initControls()
        {
            if (RightsManagement.isUserAllowed("mkt_team") == false)
            {
                LabelMsg.CssClass = "ErrorMessageStyle";
                LabelMsg.Text = Resources.CR.AccessNotAllowed;
                LabelMsg.Visible = true;
                UpdatePanelMsg.Update();
                PanelPage.Visible = false;
            }
            else
            {
                /*** Sets the VarSession ***/
                DataTable tableSite = new DataTable();
                tableSite = manageSessionVarTableSite();  
            }
        }

        private void manageSessionVarTableSite()
        {
            if (SessionManagement.GetVarSession(WebCtrlUtil.GetHiddenFieldWinIndex(this), "TableSite") == null)
            {
                DataTable tableSite = new DataTable();
                SiteCtrl.getSiteList(tableSite);
                tableSite.PrimaryKey = new DataColumn[] { tableSite.Columns["id_site"] };
                SessionManagement.SetVarSession(WebCtrlUtil.GetHiddenFieldWinIndex(this), "TableSite", tableSite);

                return tableSite;
            }
            else
            {
                return (DataTable)SessionManagement.GetVarSession(WebCtrlUtil.GetHiddenFieldWinIndex(this), "TableSite");
            }
        }