thanks a lot. 1. set the read.data : getUniqueValue () 2. make unique value function return a unique value. Assigning a new data source would have no effect. The read method always makes a request to the remote service unless the Data Source is offline. Refer to the code here to check how the Kendo UI ComboBox does that. When the control is instantiated the value sent to the server is unique for that instance 4. If value is undefined, text of the data item is used. Check the examples here and here. the purpose of answering questions, errors, examples in the programming process. 2021 Copyrights. Product Bundles. Our website specializes in programming languages. Example - add a data item to the data source Edit Preview Here, I'm using an ASP.NET MVC Application to demonstrate. Step 1 Create a table for Country or other kinds as per your requirement, which holds both text and value to display items in the drop-down list. The text was updated successfully, but these errors were encountered: I believe the problem is here because it only fetches the data without applying the filter. Find the data you need here. Kendo DataSource Read Data and Parametermap Examples November 7, 2019 To add parameters to a Kendo dataSource transport operation, use transport read data by itself or in combination with transport parameterMap if the data needs encoding. Here, I'm using some method which returns a country list as a data source. Create Widget Drop Down List Data Bind () --> Value=1 The issue can be reproduced with the MultiSelect Server Filtering Demo with the following configuration: When page loads, e.filter is undefined in the transport.read.data("") function. Below is a sample code which will load a Kendo DropDownList with a defined parameter. Already on GitHub? 3. Basically you should use the change event of the DropDownList to rather call the read method or the filter method of the Grid's dataSource. . All reactions Juveniel added Bug F: DataSource jQuery1 jQuery2 S: Wrappers (ASP.NET MVC) SEV: Low labels Aug 22, 2017. boyandim self-assigned this . The content posted here is free for public and is the content of its poster. 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. Gets or sets the value of the DropDownList. DevCraft. I Appreciate for the help , i have the ken do grid where in need to pass the 4 parameters to controller , i am passing the 2 parameters from the Read("Action", "Controller").Data(ReadData("XX","YY")) and function as Well occasionally send you account related emails. If you feel any content is violating any terms please, This site makes use of Cookies. The site does not provide any warranties for the posted content. hiI want to pass parameters to kendo dropdown basic code like belowSearch Textbox HtmlKendoTextBoxForxgtxBARCODE Name34BARCODE34 HtmlAttributesnew class 34ml2 p034 . Download FREE API for Word, Excel and PDF in ASP.Net: This site is started with intent to serve the ASP.Net Community by providing forums (question-answer) site where people can help each other. : Example Share Improve this answer Follow Can be a JavaScript object which represents a valid data source configuration, a JavaScript array or an existing kendo.data.DataSource instance. The above can be achieved as below too. Step 2 Create one ASP.NET MVC/ASP.NET project. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. 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Kendo UI version: 2017.2.621; Browser: [all] . On the other hand the Kendo UI ComboBox calls the _filterSource method in order to apply filtering or create a new filter expression and read its data. In this article you can see how to use the setDataSource method of the Kendo UI DropDownList. We provide programming data of 20 most popular languages, hope to help you! Bug report When passing additional parameters with the transport.read.data() method, e.filter is undefined (upon initialization of the widget). if using the read method you will have to also specify data function to send the values of those 4 DDLs as extra parameters. Not related to the server wrappers, same behavior is observed with js configuration: When passing additional parameters with the transport.read.data() method, the filter parameter is initially undefined. On load, the filter should contain the filter that is specified in the configuration options ("contains"). We provide programming data of 20 most popular languages, hope to help you! When I make the drop down refresh for an instance I get the same value as when it was first called. I want to pass parameters to kendo dropdown, basic code like below, https://www.telerik.com/forums/pass-additional-parameters-to-read-ajax-datasource-method---mvc, https://demos.telerik.com/aspnet-mvc/dropdownlist/cascadingdropdownlist?autoRun=true&theme=bootstrap-v4. Changes of the data source will be reflected in the widget. to your account. DropDownList Fields datasource dataSource kendo.data.DataSource The data source of the widget. Parameters dataSource kendo.data.DataSource Example There may be many shortcomings, please advise. Use the setDataSource method instead. Please refer, Pass (Send) parameters to kendoDropDownList in ASP.Net MVC, https://www.e-iceblue.com/Introduce/spire-office-for-net-free.html. All Telerik .NET tools and Kendo UI JavaScript components in one package. All rights reserved. The value will not be set if there is no item with such value. Parameters data Object (optional) Optional data to pass to the remote service. configured via the datasource option. The data source of the widget which is used to display a list of values. autoBind is set to false ), the value method will pre-fetch the data before continuing with the value setting. Now enhanced with: . Lets review a new way to pass parameter to Kendo Dropdownlist. Kendo UI for jQuery . This option is straightforward, when you have a parameter to invoke and nothing else to be processed while doing this. Sign in Can only be observed in ASP.NET MVC wrappers. DataSource Methods read read Reads data items from a remote/custom transport (if the transport option is set) or from a JavaScript array (if the data option is set). privacy statement. If the widget is not bound (e.g. value. When passing additional parameters with the transport.read.data() method, e.filter is undefined (upon initialization of the widget). You signed in with another tab or window. If the dataSource option is set to a JavaScript object or array the widget will initialize a new kendo.data.DataSource instance . Have a question about this project? Generally, the parameterMap function is meant to transform the request, not to add new parameters to it.