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let data = [
  {
    itemId: 1,
    itemName: "Apples",
    itemColor: "Red"
  },
  {
    itemId: 2,
    itemName: "Grapes",
    itemColor: "Green"
  }
];

I have a kendo grid with a local JSON dataSource (Not connected to a server). When a user fills out a form in a modal, I need to then either add, delete, or update the related record in the local kendo grid. What would be the easiest way to do each of these operations so that I don't see the dirty record indicator on the screen? 

Neli
Telerik team
 answered on 29 Oct 2025
1 answer
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Hi,

 

We are currently using 2021.1.330 version of Telerik UI for ASP.Net now we upgraded to 2025.3.825, Everything working fine but for styles few files I am unable to find with new version. We need same styles as we have in 2021.1.330 version for latest version as well.

 

Below are the styles we are expecting to have

kendo.bootstrap.min.css

kendo.common.min.css

kendo.default-v2.min.css

 

Can you please help from I can get those files for 2025.3.825 version

Neli
Telerik team
 answered on 14 Oct 2025
1 answer
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I have a Kendo UI Grid Dojo that I am working on. When I set locked on the columns to "true", some of the columns (country, city, name) disappear.

Update: If I add a width attribute to every column, the columns stop disappearing, however when I then add in reordable, I am able to move unlocked columns over to the locked columns side. Is there a way to prevent users from moving columns from locked to unlocked and vice verca?

Here is the example: 

https://dojo.telerik.com/tVXUmrjz

Javascript: 

$(document).ready(function() { $("#grid").kendoGrid({ dataSource: { transport: { read: "https://demos.telerik.com/service/v2/core/Orders" }, schema: { model: { fields: { OrderID: { type: "number" }, ShipCountry: { type: "string" }, ShipCity: { type: "string" }, ShipName: { type: "string" }, OrderDate: { type: "date" }, ShippedDate: {type: "date" } } } }, pageSize: 15 }, height: 550, pageable: true,

reorderable: true,

columns: [ { field: "OrderDate", title: "Order Date", width: 120, format: "{0:MM/dd/yyyy}", locked: true }, { field: "ShipCountry", title: "Ship Country", locked: true }, { field: "ShipCity", title: "Ship City" }, { field: "ShipName", title: "Ship Name" }, { field: "ShippedDate", title: "Shipped Date", format: "{0:MM/dd/yyyy}", width: 200 }, { field: "OrderID", title: "ID", width: 80 } ] }); });


Lee
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 answered on 18 Sep 2025
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Hi,

I am experimenting with this grid control.

I have this code where I am filling a grid with data from the SQL table. The data is loading good.

Second step : I want to edit the row and in this case , I want to edit City column which will be a dropdown in edit mode. I have the code to pull the data from database. My API is returning cities. I can see it in console.log.  However, the dropdown in the edit mode does not show any data. It is blank. I am not sure where to fix it or how to fix it.

<asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server">
<script src="https://code.jquery.com/jquery-1.12.3.min.js"></script>
  <link href="https://kendo.cdn.telerik.com/themes/12.0.0/default/default-main.css" rel="stylesheet" />
  <!-- Add the Kendo library by either using the JAVASCRIPT MODULES -->
  <script src="https://kendo.cdn.telerik.com/2025.3.825/mjs/kendo.all.js" type="module"></script>

    <script src="telerik-license.js" type="text/javascript"></script>
  
  <div id="tripsGrid"></div>
  <script type="text/javascript" >
    $(document).ready(function() {
            $("#tripsGrid").kendoGrid({
                dataSource: {
                    transport: {
                        read: {
                            url: "http://localhost:54243/api/Dispatch/GetTripsForSelectedDate", // Replace with your actual API endpoint
                            type: "GET",                  // <-- key change
                            dataType: "json",
                            contentType: "application/json"
                        },
                        parameterMap: function (options, type) {
                              if (type === "read") {
                                return kendo.stringify({
                                  page: options.page,
                                  pageSize: options.pageSize,
                                  sort: options.sort,
                                  filter: options.filter,
                                  date: $("#datePicker").val() || null  // if you have a date picker
                                });
                              }
                              // For create/update/destroy, send the model as JSON.
                              // If you enable batch: true later, handle options.models[0] instead.
                              if (type === "create" || type === "update" || type === "destroy") {
                                return kendo.stringify(options); // 'options' is the dataItem for non-batch
                              }
                            }
                         
                    },
                    schema: {
                        model: {
                            id: "Trip_ID",
                            fields: {
                                Trip_ID: { type: "number" },
                                Route: { type: "string" },
                                RouteID: { type: "number" },
                                Start_Dt: { type: "string", editable : true },
                                LastName: { type: "string",  editable : true },
                                FirstName: { type: "string",  editable : true },
                                StartDesc: { type: "string" },
                                StartAddr1: { type: "string" },
                                StartAddr2: { type: "number" },
                                StartCityID: { type: "number",  editable : true },
                                StartStateID: { type: "number",  editable : true },
                                StartZipID: { type: "number",  editable : true },
                                StartCity : { type: "string",  editable : true },
                                StartState: { type: "string" },
                                StartZip: { type: "string" }                               
                            }
                        }
                    },
                    pageSize: 10, // Optional: for client-side paging
                    serverPaging: true, // Set to true for server-side paging
                    serverSorting: true, // Set to true for server-side sorting
                    serverFiltering: true // Set to true for server-side filtering
                },
                height: 550,
                sortable: true,
                pageable: true,
                filterable: true,
                editable: { mode: "inline", confirmation: "Delete this trip?" },
                columns: [
                    { command: ["edit", "destroy"], title: "&nbsp;", width: 180 },
                    { field: "Trip_ID", title: "TripID" },
                    { field: "Route", title: "Route", format: "{0:c}" },
                    { field: "RouteID", title: "RouteID" },
                    { field: "Start_Dt", title: "Start Date" },
                    { field: "LastName", title: "Last Name" },
                    { field: "FirstName", title: "First Name" },
                    { field: "StartDesc", title: "Start Desc" },
                    { field: "StartAddr1", title: "Addr1" },
                    { field: "StartAddr2", title: "Addr2" },
                    { field: "StartCityID", title: "Start City ID", editor: startCityDropdownEditor, template: "#: StartCity #" },
                    { field: "StartStateID", title: "Start State ID" },
                    { field: "StartZipID", title: "Start Zip ID" },
                    { field: "StartCity", title: "StartCity", editor: startCityDropdownEditor, template: "#: StartCity #" },
                    { field: "StartState", title: "StartState" },
                    { field: "StartZip", title: "StartZipcode" }
                ]
            });
        });
        
        
        
        //&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
        
        function startCityDropdownEditor(container, options) {
                      $('<input required name="' + options.field + '"/>')
                        .appendTo(container)
                        .kendoDropDownList({
                          optionLabel: "Select city...",
                          dataTextField: "LkupItem",
                          dataValueField: "LkupItemID",
                          valuePrimitive: true,          // model field is a number, not an object
                          filter: "contains",            // searchable
                          autoBind: true,
                          dataSource: {
                            transport: {
                              read: {
                                url: "http://localhost:54243/api/Dispatch/GetCities", // API below
                                type: "GET",                // keep POST to avoid 405/WebDAV issues
                                dataType: "json",
                                contentType: "application/json"
                              }
                            },
                            schema: { data: "data" } ,    // expect { data: [...] }
                             requestEnd: function(e) {
                              // log the raw response payload
                              console.log("API Response for GetCities:", e.response);

                              // log the parsed data that DropDownList will bind to
                              console.log("Parsed City List:", this.data());
                            }
                          },
                          change: function (e) {
                            // keep StartCity (name) in sync so the display template shows new text
                            var item = this.dataItem();
                            if (item && options.model) {
                              options.model.set("StartCity", item.LkupItem);
                            }
                          },
                          dataBound: function () {
                              // Ensure selected value shows when editing existing rows
                              if (options.model.StartCityID != null) {
                                this.value(options.model.StartCityID);
                              }
                            }
                        });
        }

        </script>
</asp:Content>

Thanks,

Ravi

Nikolay
Telerik team
 answered on 18 Sep 2025
2 answers
16 views

Hi,

Would like to dynamically control whether a grid has a slider control for the roles.

The algorithm /flow would look something like this:

grid is declared and options initialized  within windows.onload or $(document).ready(function() {});

user makes selection to load grid  

data populates the datSource from an API request.

  if(dataSource.length > 10 )
    then let scrollable = true;
  else
scrollable = false;


The idea here is it would dynamically adjust that scrollable option after a certain length threshold would be met.

attached here is how I have my grid set up..also I have the sort and dataBound handlers doing stuff.

Here is inline version of JavaScript / jQuery kendo code that declares and does some initialization:

 $("#myGrid").kendoGrid({
     width: 1400,
     height: 500,
     sortable: {
         mode: "single",
         allowUnsort: false
     },
     resizable: true,
     editable: true,
     scrollable: true,
     columns: modifiedColumns, // Use updated columns
     dataSource: mappingsDS,
     selectable: "multiple, row",

Thanks,

George

Neli
Telerik team
 answered on 15 Sep 2025
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