protected void ShowListInContent() { int PortalId = Convert.ToInt32(ddlPortalList.SelectedValue); int ContentItemId = Convert.ToInt32(ddlContentItem.SelectedValue); List <aspnet_Tab> lst = TabController.GetListByPortalId_ContentItemId_IsSecure(PortalId, ContentItemId, true); ddlListInContent.Items.Clear(); ddlListInContent.DataSource = lst; ddlListInContent.DataTextField = "TabName"; ddlListInContent.DataValueField = "TabId"; ddlListInContent.DataBind(); ddlListInContent.Items.Insert(0, new ListItem("- Chọn -", "0")); ddlListInContent.SelectedIndex = 0; }