I follow your suggested approach (to initialize DropDownList with the datasource) and, it worked. See Trademarks for appropriate markings. But when I add a second contact, the dropdownlist does not refresh. It is a richer version of the <select> element and supports data binding, filtering, templates, and default items. Do I need to set AutoBind(true) for the dropdownlist? Code below for posting new schedule. The code for the Contact Name editor template is as follows: @(Html.Kendo().DropDownList() Open In Dojo <input id="dropdownlist" /> <script> $("#dropdownlist").kendoDropDownList( { dataSource: [ { id: 1, name: "Apples" }, { id: 2, name: "Oranges" } ], dataTextField: "name", dataValueField: "id", index: 1 }); var dropdownlist = $("#dropdownlist").data("kendoDropDownList"); dropdownlist.refresh(); </script> Getting Started Demos Community Supported file types: PNG, JPG, JPEG, ZIP, RAR, TXT. For example: .OptionLabel(" ") The control is referenced throughout the application therefore I just want to change the datasource. Telerik and Kendo UI are part of Progress product portfolio. The code for the Contact Name editor template is as follows: @ (Html.Kendo ().DropDownList () .Name ("ContactName") .ValuePrimitive (true) .DataValueField ("ContactName") .DataTextField ("ContactName") .OptionLabel (" ") .DataSource (source => { source.Read (read => { read.Action ("GetVendorContacts", "VendorCont") .Data ("filterContactName"); }) Changes of the data source will be reflected in the widget. .Data("filterContactName"); The filter descriptor that will be used to filter the data source. e.sender kendo.ui.DropDownList. Progress is the leading provider of application development and digital experience technologies. In the "Add New Item" Window, select data in the left pane and ADO.NET Entity Data Model from the center pane. Now the answer is: var dataSource = new kendo.data.DataSource ( { data: my_new_json_list }); var dropdownlist = $ ("#products").data ("kendoDropDownList"); dropdownlist.setDataSource (dataSource); Reference: https://docs.telerik.com/kendo-ui/api/javascript/ui/dropdownlist/methods/setdatasource configured via the datasource option. Progress is the leading provider of application development and digital experience technologies. To try it out sign up for a free 30-day trial. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. Looks like the Kendo dropdownlist has changed. See Trademarks for appropriate markings. It provides flexible data binding, virtualization, cascading lists, appearance customization through templates, events, validation, accessibility, RTL support and keyboard navigation. This is a migrated thread and some comments may be shown as answers. This is very urgent and any help will be greatly appreciated. I was looking for a way to update the dataSource of the DropDownList dynamically, without recreating the control again. .DataTextField("ContactName") e.filter Object. The DropDownList Component is part of Kendo UI for Angular, a professional grade UI library with 100+ components for building modern and feature-rich applications. Using the straightforward data source bind rather than using kendo.data.DataSource fetch.then() callback function? I tried several examples in Kendo UI dropdownlist API documentation, but no luck at all. 1 Answer Sorted by: 7 You need to initialize the kendo DropDownList only once and each time you want to refresh the data you should use the dataSource.data () method. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. Unfortunately theonEdit event does not solve my issue. See Trademarks for appropriate markings. .DataSource(source => Now enhanced with: I have a dropdownlist control which list all records fetched from a remote data source. All Telerik .NET tools and Kendo UI JavaScript components in one package. Open the existing ASP.NET MVC 4 project that we created earlier (refer to the article CRUD Opertaion in Kendo Grid using Web API ). To set new DataSource of an existing DropDownList please use the setDataSource method of the widget. The Kendo UI for jQuery DropDownList lets the user choose one option from a list of choices. read.Action("GetVendorContacts", "VendorCont") The current demo of Kendo UI for jQuery DropDownList demonstrates an . Example - add a data item to the data source Edit Preview Progress, Telerik, Ipswitch, Chef, Kemp, Flowmon and certain product names used herein are trademarks or registered trademarks of Progress Software Corporation and/or one of its subsidiaries or affiliates in the U.S. and/or other countries. }) The data source filters the data items client-side unless the data source serverFiltering option is set to true. .CascadeFrom("Vendor") .ValuePrimitive(true) Name the new model file (In my case, I made it as EmployeeDetails, and click Add. Now enhanced with: Telerik and Kendo UI are part of Progress product portfolio. All Telerik .NET tools and Kendo UI JavaScript components in one package. The code below shows the creation of data source, fetch data and, populates the dropdownlist with records. Step 2 }) Currently it has been set to false. Is there a way to access the dropdownlist in theBeforeEdit event? The widget instance which fired the event. Datasource Ajax example to bind the remote data. : Example Share Improve this answer Follow ). or is there lacking in the datasource config? In case you would like to also change the dataTextField and dataValueField properties you should do that via setOptions method. The dropdown widget can be initialized in many ways, I am going to show you the popular ways. http://docs.kendoui.com/api/web/dropdownlist#methods-setDataSource In case you would like to also change the dataTextField and dataValueField properties you should do that via setOptions method. Supported file types: PNG, JPG, JPEG, ZIP, RAR, TXT. All Telerik .NET tools and Kendo UI JavaScript components in one package. After inserting/updating contacts and closing the popup, the Contact Name dropdownlist should display the new contacts which have just been inserted when I click on Edit for that particular row. I have tried to refresh the dropdownlist using the BeforeEdit and Save events, but it did not work. All Rights Reserved. Open In Dojo <input id="dropdownlist" /> <script> $("#dropdownlist").kendoDropDownList( { dataSource: { data: ["One", "Two"] } }); </script> Example - set dataSource as a JavaScript array Edit Preview Open In Dojo <input id="dropdownlist" /> <script> var data = ["One", "Two"]; $("#dropdownlist").kendoDropDownList( { dataSource: data }); </script> .ServerFiltering(true); { All Rights Reserved. Max total file size - 20MB. The code below shows the creation of data source, fetch data and, populates the dropdownlist with records. DropDownList Fields datasource dataSource kendo.data.DataSource The data source of the widget. Use the setDataSource method instead. When I click on the Manage Contacts button, I get a pop up which has a grid where I insert contacts. source.Read(read => { If this is correct, then how I can refresh the dropdownlist? Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. Progress, Telerik, Ipswitch, Chef, Kemp, Flowmon and certain product names used herein are trademarks or registered trademarks of Progress Software Corporation and/or one of its subsidiaries or affiliates in the U.S. and/or other countries. Create a REST full service to Insert a Record in SQL Table. Open In Dojo <input id="dropdownlist" /> <script> $("#dropdownlist").kendoDropDownList( { dataSource: [ "Apples", "Oranges" ] }); var dataSource = new kendo.data.DataSource( { data: [ "Bananas", "Cherries" ] }); var dropdownlist = $("#dropdownlist").data("kendoDropDownList"); dropdownlist.setDataSource(dataSource); </script> Getting Started Demos As such, when a user creates a new schedule, the dropdownlist control should append the newly added schedule without doing a page refresh. Something like : http://docs.kendoui.com/api/web/dropdownlist#methods-setDataSource. The DropDownList datasource read method seems to work and, the new schedule is reflected in the DropDownList control. .Name("ContactName") Join us on our journey to create the world's most complete HTML 5 UI Framework -. I have noticed that theBeforeEdit event triggers when I click on the "Edit" button on the row (the grid edit mode is set to InLine) and theonEdit event triggers when I click on "Update". This is a migrated thread and some comments may be shown as answers. 1. What seems go wrong in my dropdownlist configuration? .DataValueField("ContactName") Right-click the Models folder, select Add -> ADO.NET Entity Data Model, or select Add->New Item. Take this code from your DropDownList example: <input id="dropdownlist" /> <script type="text/javascript"> $ (document).ready (function () { Example - subscribe to the "filtering" event during initialization //.AutoBind(false) Max total file size - 20MB. Progress, Telerik, Ipswitch, Chef, Kemp, Flowmon and certain product names used herein are trademarks or registered trademarks of Progress Software Corporation and/or one of its subsidiaries or affiliates in the U.S. and/or other countries. I also searched in telerik forums but couldn't find any related issues. Telerik and Kendo UI are part of Progress product portfolio. Finally the project structure will be as in Figure 1. All Rights Reserved. Also note that the dropdownlist requires the "Vendor" (another column in the grid) value to fetch the list to be populated in the dropdownlist. Supported file types: PNG, JPG, JPEG, ZIP, RAR, TXT. You can create the two different DataSources outside of the functions, and then in the functions bodies use the DropDownList setDataSource () method to switch between the two dataSources, and the setOptions () method to change the other options like dataTextField and dataValueField, e.g. Max total file size - 20MB. Jquery Dropdownlist example Declare input element with id and in the jquery document ready, the dropdown component can be initialized. Start Free Trial I named it KendoDropDown.html. I was wondering what's the difference between the two approach? getSchedules (): void { const schedulesData = new kendo.data.DataSource ( { transport: { read: { url: "/./Schedules?entityName=someEntity", cache: false, dataType: "json", contentType: "application/json", type: "GET", Assigning a new data source would have no effect. Kendo UI Dropdownlist basic example. Progress is the leading provider of application development and digital experience technologies. Is there a way to refresh the dropdown list when I click on the Edit button on the row or when I click on the dropdown list to select contacts? I'm interested in the most efficient way to replace a dataSource for a named dropdownlist (ex: $("#DDL1"). Right-click on the project root and add a new HTML page. 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Forums but could n't find any related issues option is set to true all Telerik.NET and Dropdownlist does not refresh what 's the difference between the two approach should Dropdownlist is not being changed that the dropdownlist in theBeforeEdit event root and add a new schedule kendo dropdownlist update datasource. Searched in Telerik forums but could n't find any related issues, and click add filters the data client-side

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