Hi Kendo Team,

I am working on Kendo UI ASP.NET Core Grid binding with SignalR. But while starting Hub and providing the Promise, I am facing an error "The "promise" option must be a Promise."

I am following this URL for reference: https://demos.telerik.com/aspnet-core/grid/signalr .

Checked on your website as well, but the issue is also coming there. Here is the URL: https://docs.telerik.com/kendo-ui/api/javascript/data/datasource/configuration/transport.signalr

In this link, when clicking on "Open In Dojo" button, it opens a new window, then clicks on the Run button. It will generate an error in the console "Uncaught Error: The "promise" option must be a Promise.". 

Please check the attached snapshot.

Please reply asap. Thanks in advance!

Hi

Would like to request to bind Treelist from Datatable with dynamic type

And Totreedatasocure to accomidate for dynamic datatable rather tha at row of static table.

Thank you

Hello,

I have a Gantt that only can have two levels. I guess drag&drop is the best and easiest way to do this (Is it a better solution like editing the order value directly in the TreeList area?)

I want to implement order change in the following way. 

1. If user changes parent task order, he has to drag that parent task (A) and drop on another parent task (B). This way, task A will take task B order value (Shall task B take task A order?). If user drops parent task A on any child task, no order change will happen.
2. Drag of any child task only will be valid in the same parent. I mean, dropping child task in any parent task or in other parent child task will do nothing.

Could you send me any example of this behaviour?

Regards!

Bug report

In Core when the ComboBoxFor helper is used as an editor in a Grid (Shared/EditorTemplates) and its Name is set, the Grid does not render and no exception is displayed, to indicate that the Name option should not be set.

Reproduction of the problem

Reproducible in the Editing custom editor Grid demo.

1. Set the ComboBox' Name in the ClientCategory.cshtml template

@(Html.Kendo().ComboBoxFor(m => m)
    .Name("CategoryID")
    .DataValueField("CategoryID")
    .DataTextField("CategoryName")
    .BindTo((System.Collections.IEnumerable)ViewData["categories"])
)

Current behavior

We throw an exception when the Name is set (e.g. if the ComboBox is used outside of a Grid), but in this scenario it is not displayed.

Expected/desired behavior

An exception is thrown and its message is displayed.

Environment

• Kendo UI version: 2019.2.619
• jQuery version: x.y
• Browser: [all]

Bug report

The OrderId field for the Gantt tasks cannot be defined in its datasource using the UI for ASP.NET Core wrappers.

*for more details, please refer to ticket #1461758

Reproduction of the problem

Create a UI for ASP.NET Core project and try to initialize the Gantt component with a datasource configured similar to the following:

Current behavior

The marked "OrderID" definition is not a valid one in UI for ASP.NET Core

Expected/desired behavior

The datasource configuration provided above(or similar) should be valid for the Gantt component. The OrderID should be configurable using the ASP.NET Core wrappers.

Environment

• Kendo UI version: 2020.1.406
• jQuery version: x.y
• Browser: [all]

Bug report

DateRangePicker close event does not catch range ent value

Reproduction of the problem
Run the following Dojo:

• https://dojo.telerik.com/ugAPotiQ

Select a range and check the browser console.

Expected/desired behavior
Close shall be reflected in the close event handler.

Environment
Kendo UI version: [ all ]
Browser: [ all ]

Steps to reproduce:

Open the ASP.NET Core ImageEditor Demo at https://demos.telerik.com/aspnet-core/imageeditor

1. Load a Portrait image (Width < Height)
2. Select the Crop tool
3. Click on Landscape
4. Select any aspect ratio, for example 16:9
5: Select "Original ratio" back again

Current Behavior:

The browser takes some time to respond and sometimes crashes. And each time, we get a stack overflow logged in the browser's Dev Tools - See picture below.

Please correct, it's starting to get a little annoying. The ImageEditor is quite buggy and not usable as is in production. Thanks for your comprehension.

Add support for hidden fields. There could be an alternative way of adding them to the Items collection, e.g.

.AddHidden()

Consider the cases when the hidden field is bound to a model field and when it isn't bound to the model. The latter could be a scenario involving antiForgeryTokens: 

<input type="hidden" name="__RequestVerificationToken" value="token" />

In both cases you should be able to set the value of the hidden field programmatically and submit it with the form.

Since support for cancellation token on user vote:

https://feedback.telerik.com/aspnet-core-ui/1357637-duplicate-kendo-mvc-extensions-support-for-cancellationtokens

https://feedback.telerik.com/aspnet-mvc/1357593-todatasourceresultasync-should-support-cancellation-token

was declined and is unplanned.

I would like to implement it by myself.

However most of methods used by code is private or internal, so extending current one is difficult to achieve without copying a lot of existing methods and marking them public. It would be good make them part of public api so implementing own extension to ToDataSourceResult and ToTreeDataSourceResult would be possible. Currently it is not.

Kind Regards

Marcin

Hi Telerik Team

We think it might be very useful an component in telerik like this one https://fengyuanchen.github.io/cropperjs/  for rotate, crop, resize, zoom and move. with a picture box like https://ashleydw.github.io/lightbox/#videos-gallery

If you implement this we will very happy

Thank you

Bug report

The PDFViewer HTML helper incorrectly serializes the passed to its "File" configuration URL, when the URL has an ampersand(&) sign in it. In the output of the HTML helper, the ampersand is changed with its ASCII code - "\u0026"

• The issue is reproducible both in the UI for ASP.NET Core and UI for ASP.NET MVC suites.

Reproduction of the problem

1. Create an ASP.NET Core or MVC project
2. Paste the below code in it and run it
   @(Html.Kendo().PDFViewer() .Name("pdfviewer-test") .PdfjsProcessing(pdf => pdf .File("https://myrandomcomain.com/api/MyFolder/GetPDF?reference=xxxxxxxx&param1=0&param2=100&contentType=application/pdf") ) .Height(400) )
3. View the source of the opened page and see the generated Javascript code

Current behavior

The generated code is:
jQuery("#pdfviewer-test").kendoPDFViewer({"pdfjsProcessing":{"file":{"url":"https://myrandomcomain.com/api/MyFolder/GetPDF?reference=xxxxxxxx\u0026param1=0\u0026param2=100\u0026contentType=application/pdf"}},"height":400});

Expected/desired behavior

The expected result is
jQuery("#pdfviewer-test").kendoPDFViewer({"pdfjsProcessing":{"file":{"url":"https://myrandomcomain.com/api/MyFolder/GetPDF?reference=xxxxxxxx&param1=0&param2=100&contentType=application/pdf"}},"height":400});

Environment

• Kendo UI version: 2020.1.219
• jQuery version: x.y
• Browser: [all]

Allow HTML comments & other tags to be mixed inside kendo tags; eg. I would like to use a <asp-partial name="_template" required=false asp-if="@User.IsInRole("role")> to inject settings/configuration of the kendo component 

Bug report

The Kendo UI Grid's pager for UI for ASP.NET Core does not have an "All" option and it can't be configured in the Razor syntax.

Current behavior

Using the Kendo UI Grid's pageable.PageSizes, the ALL option is not available for UI for ASP.NET Core as it's only an Int32[].

Expected/desired behavior

The All option should be included like in the UI for ASP.NET MVC Razor Syntax.

Environment

• Kendo UI version: 2020.3.915
• Browser: all

Bug report

The Kendo UI Sortable for ASP.NET Core assumes that all selectors are by "id".

Reproduction of the problem

1. Set the .For() option of the Sortable widget to a class selector:

@(Html.Kendo().Sortable()
    .For(".k-grid table")
    // . . . 
)

2. Inspect the page source.

3. The following string is rendered:

<script>
    kendo.syncReady(function () { jQuery("\\.k-grid table").kendoSortable(// options) });
</script>

Expected/desired behavior

The Sortable widget should allow for passing any jQuery selectors.

Environment

* **Kendo UI version:** 2019.3.1023
* **jQuery version:** 1.12.4
* **Browser:** [all] 

Bug report

When PanelBar is configured with tag helpers selected="true" is not applied and the item is not rendered as selected.

Reproduction of the problem

1. Create an UI for ASP.NET Core application and use configuration as in the example below:

<kendo-panelbar name="panelbar">
    <items>
        <panelbar-item text="Item 1" selected="true">
        </panelbar-item>
        <panelbar-item text="Item 2">                    
        </panelbar-item>
    </items>
</kendo-panelbar>

Current behavior

The 'Item 1' is not marked as selected.

Expected/desired behavior

The item should be marked as selected when the PanelBar widget is loaded.

Environment

• Kendo UI version: 2021.1.330
• Browser: [all ]

Need support for DataTable in Grid in ASP.NET Core 2.0

Hi folks!

I am using the Grid's ColumnMenu with its new ComponentType-property set to "modern" like this:

@(Html.Kendo().Grid<my_fancy_web_application.ViewModels.ProjectListViewModel>()

                .Name("myGrid")
                .Editable(editable => editable.Mode(GridEditMode.InLine).DisplayDeleteConfirmation("Willst Du diesen Eintrag wirklich löschen?"))
                .Sortable()
                .Scrollable()                
                .Pageable(pageable => pageable.Enabled(false))
                .ColumnMenu(columnMenu => columnMenu.ComponentType("modern"))
// ... going on with some further definitions
)

In the <head>-Tag of my _Layout.cshtml file, I have set the Kendo Culture to Swiss German:

<script>kendo.culture("de-CH")</script>

What I now observed is, that the buttons "Apply" and "Reset" did not get translated properly and remain in English (see Column_Menu_Reset_Apply_Button.png). Whereas other messages are correctly translated. 

I tried to find out which message property was set there, so that I could add it manually to the "kendo.messages.de-CH.min.js" (as by the way I still have to do for e.g. the Grid's searchbar placeholder "Search..."). 

In the loaded kendo.all.min.js (2021.1.330) I discovered, that there was no message property in place, and the texts were rather hard-coded:

'<div class="k-columnmenu-actions">' + '<button class="k-button" type="button">Reset</button>' + '<button class="k-button k-primary" type="button">Apply</button>' + '</div>' + '</div>'

With the Chrome's dev tools and the source map, I found the above code on line 55815 by searching for the class "k-columnmenu-actions".

Could you please change the mentioned code to make use of the kendo.messages-properties and update the culture-specific kendo.messages files accordingly?

Thanks in advance!

Kind regards,

Janick