kendo dropdownlist update datasource

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

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kendo dropdownlist update datasource

kendo dropdownlist update datasource