private void _LoadWebPage() { DataTable NhomDT = WebPage.GetActive(_Type); lookUpEditPage.Properties.DataSource = NhomDT; lookUpEditPage.Properties.DisplayMember = "Page"; lookUpEditPage.Properties.ValueMember = "Page"; DevExpress.XtraEditors.Controls.LookUpColumnInfo colun0 = new DevExpress.XtraEditors.Controls.LookUpColumnInfo(); colun0.Caption = "Page"; colun0.FieldName = "Page"; lookUpEditPage.Properties.Columns.Add(colun0); }