public override ActionResult BuildEditor(Controller controller, WorkContext workContext, ControlFormResult <IWidget> form)
{
var listService = workContext.Resolve <IListService>();
var list = listService.GetRecords().OrderBy(x => x.Name).ToDictionary(x => x.Id, x => x.Name);
form.RegisterExternalDataSource("ListId", list);
form.RegisterCascadingDropDownDataSource("CategoryId", new ControlCascadingDropDownOptions
{
SourceUrl = controller.Url.Action("EditorCallback"),
Command = "GetCategories"
});
return(form);
}
public ControlForm <TModel> RegisterCascadingDropDownDataSource <TValue>(Expression <Func <TModel, TValue> > expression, string sourceUrl)
{
model.RegisterCascadingDropDownDataSource(expression, sourceUrl);
return(this);
}