masterCategoryId) The value for. read.Action("SubType", "ComboBox"): This defines the Action and Controller that should be called to retrieve the collection that will populate the dropdown options, .Data("filterOrders"): this is used to assign parameters to the above read.Action method. Example, dirty alternative - Try to hijack ddl "optional label" for your needs. I'm stuck in creating a cascading DropDownList. Example <input id="dropdownlist" /> <script> $ ("#dropdownlist").kendoDropDownList ( { autoBind: false }); </script> cascadeFrom String Use it to set the Id of the parent DropDownList widget. ).AsEnumerable(); return Json(prdsMasterCategoryList, JsonRequestBehavior.AllowGet); }; How do you create a dropdownlist from an enum in ASP.NET MVC? (not when we are filling form). rev2022.11.3.43004. Check out the new components and features & watch the Kendo UI release webinar to see them in action!