). .ValuePrimitive(true) 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". Max total file size - 20MB. When I click on the Manage Contacts button, I get a pop up which has a grid where I insert contacts. The dropdown widget can be initialized in many ways, I am going to show you the popular ways. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. Is it because Vendor is not being changed that the dropdownlist is not refreshing? The problem is that, after creating a new schedule, dropdownlist datasource read method didn't work at all. : Example Share Improve this answer Follow What seems go wrong in my dropdownlist configuration? e.sender kendo.ui.DropDownList. All Telerik .NET tools and Kendo UI JavaScript components in one package. Unfortunately theonEdit event does not solve my issue. 1. Datasource Ajax example to bind the remote data. 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. The code below shows the creation of data source, fetch data and, populates the dropdownlist with records. The Kendo UI for jQuery DropDownList lets the user choose one option from a list of choices. Progress is the leading provider of application development and digital experience technologies. Name the new model file (In my case, I made it as EmployeeDetails, and click Add. All Telerik .NET tools and Kendo UI JavaScript components in one package. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. The code for the Contact Name editor template is as follows: @(Html.Kendo().DropDownList() This is a migrated thread and some comments may be shown as answers. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. I tried several examples in Kendo UI dropdownlist API documentation, but no luck at all. Looks like the Kendo dropdownlist has changed. Telerik and Kendo UI are part of Progress product portfolio. Supported file types: PNG, JPG, JPEG, ZIP, RAR, TXT. getSchedules (): void { const schedulesData = new kendo.data.DataSource ( { transport: { read: { url: "/./Schedules?entityName=someEntity", cache: false, dataType: "json", contentType: "application/json", type: "GET", }) Example - add a data item to the data source Edit Preview //.AutoBind(false) Right-click on the project root and add a new HTML page. As such, when a user creates a new schedule, the dropdownlist control should append the newly added schedule without doing a page refresh. For example: The control is referenced throughout the application therefore I just want to change the datasource. The current demo of Kendo UI for jQuery DropDownList demonstrates an . Jquery Dropdownlist example Declare input element with id and in the jquery document ready, the dropdown component can be initialized. Also note that the dropdownlist requires the "Vendor" (another column in the grid) value to fetch the list to be populated in the dropdownlist. I also searched in telerik forums but couldn't find any related issues. Progress is the leading provider of application development and digital experience technologies. To try it out sign up for a free 30-day trial. Max total file size - 20MB. It provides flexible data binding, virtualization, cascading lists, appearance customization through templates, events, validation, accessibility, RTL support and keyboard navigation. Join us on our journey to create the world's most complete HTML 5 UI Framework -. All Rights Reserved. .Data("filterContactName"); Is there a way to access the dropdownlist in theBeforeEdit event? All Telerik .NET tools and Kendo UI JavaScript components in one package. Do I need to set AutoBind(true) for the dropdownlist? DropDownList Fields datasource dataSource kendo.data.DataSource The data source of the widget. Finally the project structure will be as in Figure 1. 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. See Trademarks for appropriate markings. The data source filters the data items client-side unless the data source serverFiltering option is set to true. 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"); }) 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. 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 was looking for a way to update the dataSource of the DropDownList dynamically, without recreating the control again. Kendo UI Dropdownlist basic example. The filter descriptor that will be used to filter the data source. This is a migrated thread and some comments may be shown as answers. configured via the datasource option. Max total file size - 20MB. Progress is the leading provider of application development and digital experience technologies. Now enhanced with: I have a dropdownlist control which list all records fetched from a remote data source. 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. .DataValueField("ContactName") }) I follow your suggested approach (to initialize DropDownList with the datasource) and, it worked. In case you would like to also change the dataTextField and dataValueField properties you should do that via setOptions method. https://docs.telerik.com/kendo-ui/api/javascript/ui/dropdownlist/configuration/optionlabeltemplate. This is very urgent and any help will be greatly appreciated. I named it KendoDropDown.html. All Rights Reserved. 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 Assigning a new data source would have no effect. I'm interested in the most efficient way to replace a dataSource for a named dropdownlist (ex: $("#DDL1"). .CascadeFrom("Vendor") Right-click the Models folder, select Add -> ADO.NET Entity Data Model, or select Add->New Item. All Rights Reserved. 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 Use the setDataSource method instead. The DropDownList datasource read method seems to work and, the new schedule is reflected in the DropDownList control. source.Read(read => Code below for posting new schedule. .DataTextField("ContactName") 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? Now enhanced with: I have a dropdownlist for Contact Name in a kendo grid as shown in the attachment. The code below shows the creation of data source, fetch data and, populates the dropdownlist with records. I have also noticed that the dropdownlist refreshes when I add a new contact, then edit the row. It is a richer version of the <select> element and supports data binding, filtering, templates, and default items. Telerik and Kendo UI are part of Progress product portfolio. or is there lacking in the datasource config? I have tried to refresh the dropdownlist using the BeforeEdit and Save events, but it did not work. read.Action("GetVendorContacts", "VendorCont") Currently it has been set to false. Open the existing ASP.NET MVC 4 project that we created earlier (refer to the article CRUD Opertaion in Kendo Grid using Web API ). Start Free Trial Step 2 The widget instance which fired the event. Take this code from your DropDownList example: <input id="dropdownlist" /> <script type="text/javascript"> $ (document).ready (function () { .Name("ContactName") 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. I was wondering what's the difference between the two approach? Now enhanced with: Telerik and Kendo UI are part of Progress product portfolio. 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. In the "Add New Item" Window, select data in the left pane and ADO.NET Entity Data Model from the center pane. See Trademarks for appropriate markings. Supported file types: PNG, JPG, JPEG, ZIP, RAR, TXT. Changes of the data source will be reflected in the widget. 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 But when I add a second contact, the dropdownlist does not refresh. 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. 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> Supported file types: PNG, JPG, JPEG, ZIP, RAR, TXT. { http://docs.kendoui.com/api/web/dropdownlist#methods-setDataSource. See Trademarks for appropriate markings. e.filter Object. .OptionLabel(" ") Create a REST full service to Insert a Record in SQL Table. 3. If this is correct, then how I can refresh the dropdownlist? .DataSource(source => .ServerFiltering(true); Something like : To set new DataSource of an existing DropDownList please use the setDataSource method of the widget. 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