To learn more, see our tips on writing great answers. It sounds like you understand what I am trying to do, but the code you posted returns this error.. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. All Rights Reserved. Generally, the parameterMap function is designed to transform the request payload, not to add new parameters to it. Flipping the labels in a binary classification gives different model and results, Transformer 220/380/440 V 24 V explanation, Can i pour Kwikcrete into a 4" round aluminum legs to add support to a gazebo. By adding the function like this, it will get called every time you make a request. Are Githyanki under Nondetection all the time? What I do propose is getting the value using document.activeElement.value. Why so many wires in my old light fixture? As far as I can tell, the autocomplete widget (or the datasource control) does not provide a way to get the value it is currently trying to pass. Available if the serverPaging option is set to true and the data source makes a "read" request. The read method always makes a request to the remote service unless the Data Source is offline. This works fine the first time , but consequent request's are exactly same as the first request it never hits this piece of code. The only way I have found is to do it by specific selector, which isn't possible in my given situation. Did you try: Supported file types: PNG, JPG, JPEG, ZIP, RAR, TXT. It tries to use the url .. But because of the way all of this works, there is no set "selector" to get the autocomplete input, so I cannot retrieve its value from the input form element. Available if the serverGrouping option is set to true and the data source makes a "read" request. What is the deepest Stockfish evaluation of the standard initial position that has ever been done? Now the issue I am running into is that I cannot discover a way to specify this in the dataSource mechanics. Making statements based on opinion; back them up with references or personal experience. rev2022.11.3.43005. Not the answer you're looking for? By default, the data source sends the parameters using jQuery conventions. The datasource is used for a kendoautocomplete text box and for each key typed the list of suggestions are fetched through a get request. You can just add a data parameter for your read request, like so, in this case, as the request is sent as a get, it will append the query with the fields inside your data object. If this additional data is known at the client . Find centralized, trusted content and collaborate around the technologies you use most. The value specified in the data field of the transport settings (create, read, update or destroy) is included as well. I forgot to also mention that you need to enable. rev2022.11.3.43005. Why is proving something is NP-complete useful, and where can I use it? 2022 Moderator Election Q&A Question Collection, Pass parameter as query string to kendo datasource create method, Get search string in kendo multiselect with server filtering, Kendo UI AutoComplete datasource transport reads only once, Kendo Datasource Transport custom function not getting called, Setting Kendo Chart series name from datasource, Typescript on Kendo UI - typed datasource definition, .NET Kendo Scheduler: dynamically change datasource resources, how to get query string of kendo datasource. Saving for retirement starting at 68 years old. If a transport.read.data function is used together with parameterMap, remember to preserve the result from the data function that will be received in the parameterMap arguments. Max total file size - 20MB. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. In C, why limit || and && to evaluate to booleans? All Rights Reserved. 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. parametermap : function (data, type) { if (type === "read") { return { searchterm : document.activeelement.value } //return { searchterm: data.filter.filters [0].value } } }//parametermap }//transport })//datasource }); This also accomplished my needs. But I cannot figure out how to get that is the problem. If you were to log the object passed in to the parameterMap function like this: then you would get an object that looks like this: So you can use this to get the value entered into the AutoComplete box by doing: I think that there is a misunderstanding about the relation between DataSource and AutoComplete. The number of data items to return (the same as data.pageSize). Making statements based on opinion; back them up with references or personal experience. How to draw a grid of grids-with-polygons? I am not using the version of Kendo that has the MVC Razor tools. Do you have a question available somewhere? However, I hope you understand. Asking for help, clarification, or responding to other answers. What is the difference between the following two t-statistics? I think it is also worth noting that you were correct the very first time you posted. This read method is ActionResult method in MVC which will return JSON DataSourceResult & direclty bind the data to Grid. Why does Q1 turn on and Q2 turn off when I apply 5 V? Available if the serverSorting option is set to true and the data source makes a "read" request. You're right I missed the correct format. I am currently doing this to change the read url dynamically on my kendo datasource. AutoComplete has the input and uses a DataSource for retrieving the data: the input does not belong to the AutoComplete and as consequence you cannot get the input that is using a DataSource from a method that is from the DataSource (as transport.read.data or transport.parameterMap). Now enhanced with: Telerik and Kendo UI are part of Progress product portfolio. Solution 1. It is my own inadequate incompetence that did not work. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. I was using, Kendo datasource change read url on request start, Making location easier for developers with new data primitives, Stop requiring only one assertion per unit test: Multiple assertions are fine, Mobile app infrastructure being decommissioned. Attempting to do as you have said and log the object passed through the data function simply yields ", I edited my answer. Available if the serverPaging option is set to true and the data source makes a "read" request. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. How to help a successful high schooler who is failing in college? Bind data to Kendo Grid by using AJAX Read action method. The code I am using so far is as follows; So is there anything I can do to tell it how to name the parameter it passes? The current filter configuration as set via the filter option. First, enable server-side filtering by setting this option: Then the value is passed as one of the parameters into the transport.parameterMap function. The datasource is used for a kendoautocomplete text box and for each key typed the list of suggestions are fetched through a get request. However, after setting the parameters, when "read" happens I can see in the "Network" tab in Dev Tools, that my additional parameters are not sent. How can I pass additional parameters to the ClientHandlerDescriptor? Find centralized, trusted content and collaborate around the technologies you use most. Regex: Delete all lines before STRING, except one particular line. What am i missing? It is hitting an ASP.NET MVC controller with the following signature. I have read the documentation on parameterMap dozens of times and it makes absolutely no sense to me in any way. You need to unique identify which element has the input and the value that it contains. If the letter V occurs in a few native words, why isn't it included in the Irish Alphabet? If you are using the ClientHandlerDescriptor for reading the data, define the JavaScript handler. Generally, the parameterMap function is meant to transform the request, not to add new parameters to it. Available if the serverAggregates option is set to true and the data source makes a "read" request. All changed data items. Normally, a developer can bind the data to Grid by using AJAX Read method. The type of the request which the data source makes. Change the datasource on change event of any HTML controls. The current page size as set via the pageSize option. All Telerik .NET tools and Kendo UI JavaScript components in one package. @nowox I just tested it on the demo site where I am linking to and I can add additional parameters in the request object, so not doing anything is not really helpful for me (neither do I know what you would like to achieve). I have a hierarchical Grid with a custom DataSource and a ClientHandlerDescriptor which is defined as described here. Two surfaces in a 4-manifold whose algebraic intersection number is zero. An example is provided below. var dataSource = new kendo.data.DataSource ( { transport: { read: function (options) { // make AJAX request to the remote service $.ajax ( { url: "/orders/read", data: options.data, // the "data" field contains paging, sorting, filtering and grouping data See Trademarks for appropriate markings. Thanks for contributing an answer to Stack Overflow! 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. That example is where I started, but it is not useful to me unfortunately. See Trademarks for appropriate markings. Available if the serverFiltering option is set to true and the data source makes a "read" request. Connect and share knowledge within a single location that is structured and easy to search. Is there a trick for softening butter quickly? requestStart: function (e) { var text = $ ('#txtMail').val (); e.sender.transport.options.read.url = "/Feed/AutoCompleteUser?text=" + text + "&limit=10"; } Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. I've got a datasource for a combobox working with a local variable passed in the read function so that whenever the variable gets changed the read is called again and the datasource is updated properly like so: transport: { read: function (operation) { var url = "/api/read/Locations/" $.getJSON (url, { guid: thisGUID }, function (json) { Set transport read data: $ ('#lookupDataGrid').data ('kendoGrid').dataSource.transport.read.data = {"UserLookupTableID":123}; This means that the request needs to have the correct parameter in the url. When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. Available if the serverPaging option is set to true and the data source makes a "read" request. If you are just trying to pass the string term to the controller you can specify the data: Thanks for the clarification and help OnaBai. You can find more about configuring the datasource operations here: Thanks for contributing an answer to Stack Overflow! That got some progress, but it is still behaving strangely. Parameters data Object (optional) Optional data to pass to the remote service. I want to call the read method through script passing parameter values into it. Asking for help, clarification, or responding to other answers. The number of data items to skip. data.aggregate Array Parameters data Object The parameters which will be sent to the remote service. Your code was flawless, but I had the action method marked. All Telerik .NET tools and Kendo UI JavaScript components in one package. If the value of transport.read is a string, the data source uses this string as the URL of the remote service. Why don't we consider drain-bulk voltage instead of source-bulk voltage in body effect? Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. The parameters which will be sent to the remote service. What is the deepest Stockfish evaluation of the standard initial position that has ever been done? If the letter V occurs in a few native words, why isn't it included in the Irish Alphabet? If I knew how to retrieve the data to put in place of "value", I would have it solved. I have added a bit more to the question to try and make it clearer. var DataSource = new kendo.data.DataSource({ transport: { read: { url: "https://www . QGIS pan map in layout, simultaneously with items on top, Transformer 220/380/440 V 24 V explanation, Book where a girl living with an older relative discovers she's a robot, How to distinguish it-cleft and extraposition? The code would be: I'm a little confused as to what you're wanting to do. The current page. Since you are typing it, the element that has the focus should be the element that you are using. Available if the serverPaging option is set to true and the data source makes a "read" request. I have tried to do it two different ways: 1. 'It was Ben that found it' v 'It was clear that Ben found it', next step on music theory as a guitar player. Can an autistic person with difficulty making eye contact survive in the workplace? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. With Kendo UI, I am using an autocomplete box to try and retrieve data from my server. This is a migrated thread and some comments may be shown as answers. Is MATLAB command "fourier" only applicable for continous-time signals or is it also applicable for discrete-time signals? One of the advantages of having a kendo data source as a separate block is, it can be shared across different widgets. If batch is set to false, the fields of the changed data items are also included. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. The current aggregate configuration as set via the aggregate option. If the additional data is known at server-side you should use the overload of the Action method which accepts route values: .DataSource ( dataSource => dataSource.Server () .Read ( read => read.Action ( "Read", "Home", new { AdditionalParam = ViewData [ "AdditionalParam"] })) ) Copy. How do I simplify/combine these two methods for finding the smallest and largest int in an array? Connect and share knowledge within a single location that is structured and easy to search. If batch is set to false, the fields of the changed data items are also included. 2022 Moderator Election Q&A Question Collection, Kendo UI - Specify parameter name on dataSource read, kendo ui datasource cancel read from within read function, Kendo datasource read(), sync() and cancelChanges(), DataBound Event of kendo listview loading previous parameters from dataSource, Change serverFiltering option of Kendo dataSource after initialization, Replacing outdoor electrical box at end of conduit, Make a wide rectangle out of T-Pipes without loops. ObjectThe request parameters converted to a format required by the remote service. Did Dick Cheney run a death squad that killed Benazir Bhutto? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Stack Overflow for Teams is moving to its own domain! Should we burninate the [variations] tag? All transport actions (read, update, create, destroy) must be defined in the same way, that is, as functions or as objects. Progress is the leading provider of application development and digital experience technologies. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. This is complicated further by the fact that the page in question actually has 10-15 autocomplete text boxes at any one time, each dynamically created with dynamic identity. To learn more, see our tips on writing great answers. The read() method of DataSource can take parameters. Solution. Progress, Telerik, 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. Why is proving something is NP-complete useful, and where can I use it? The current sort configuration as set via the sort option. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 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). what if my URL needs to change per request.. for example this OData V4 url looks like this: @bkwdesign I believe there was a transformation available, or you could use string literals to enter your query. The current grouping configuration as set via the group option. Regex: Delete all lines before STRING, except one particular line. Available if there are any data item changes and the batch option is set to true. Sorry for the confusion. Found footage movie where teens get superpowers after getting struck by lightning? Use the datasource.transport.parameterMap parameterMap: function (data, type) { if (type == "read") { return kendo.stringify (data, anotherParam); } I'm not sure where your other param is coming from, but this is generally how I send extra parameters to the server. The value specified in the data field of the transport settings (create, read, update or destroy) is included as well. I'm sorry, that doesn't work either. Stack Overflow for Teams is moving to its own domain! Alternatively, you can enable serverFiltering and then Kendo UI links the input field with the filtering condition. Here is the code that I got working after hours of frustration! Is a planet-sized magnet a good interstellar weapon? From the above code, you can observe the kendo Datasource making a remote call and the data source is assigned for a kendo Grid binding. this works because when the user types into the input box, it becomes that active element in the form. Why do I get two different answers for the current through the 47 k resistor when I do a source transformation? Not the answer you're looking for? If the value of transport.read is a function, the data source invokes that function instead of jQuery.ajax. When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. Should we burninate the [variations] tag? Kendo UI - Specify parameter name on dataSource read, Making location easier for developers with new data primitives, Stop requiring only one assertion per unit test: Multiple assertions are fine, Mobile app infrastructure being decommissioned. Now enhanced with: The function which converts the request parameters to a format suitable for the remote service.
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