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