kendo dropdownlist update datasource

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

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