AJH.CMS.WEB.UI.Admin.ManageCatalog_UC.trvCatalog_SelectedNodeChanged C# (CSharp) Method

        void trvCatalog_SelectedNodeChanged(object sender, EventArgs e)
        {
            int CatalogID = 0;
            int.TryParse(trvCatalog.SelectedValue, out CatalogID);
            if (CatalogID > 0)
            {
                ViewState[CMSViewStateManager.CatalogID] = CatalogID;
                BeginEditMode();
                upnlCatalogItem.Update();
            }
            if (trvCatalog.SelectedNode != null)
            {
                trvCatalog.SelectedNode.Selected = false;
            }
        }
        #endregion