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