Telerik UI for ASP.NET Core R2 2018 (2018.2.516) Commercial

ASP.NET Core MVC is a complete rewrite of the .NET framework, delivering exciting changes and expanding the reach of .NET apps. Here’s some of what’s new:

.NET Core and Visual Studio Code enable you to develop and deploy apps on any OS—Windows, Linux or Mac
Tag Helpers provide easier views creation and UI definition
Nuget, Bower and Gulp package managers and automation tools boost your productivity
Unified MVC and Web API programming model simplifies development

As usual, we at Progress strive to deliver tools leveraging the latest technologies, so that your apps are always modern. This is why we were the first vendor to deliver official ASP.NET Core MVC support in their UI components. Read on to see how Telerik UI for ASP.NET MVC leverages ASP.NET Core MVC features to speed up your development.

ASP.NET Core is now live and developers around the globe are highly excited to give it a spin. Now that it’s released, more and more developers are about to start new or to migrate existing apps onto it. This means the need for beautiful and high quality UI components that run on the new Microsoft framework is increasingly vital.

What’s new in the Kendo UI MVC wrappers for ASP.NET Core?

Tag Helpers—we are following the ASP.NET Core specification and we have included Tag Helpers for some of the popular components: NumericTextBox, Button, Window, DatePicker and TimePicker. We plan to add more tag helpers in the next releases, but it will be awesome if you share feedback on exactly which components you’d like to define and configure through Tag Helpers.
New VS template—You can now use the new Telerik template to quickly setup and create a project for ASP.NET Core.
GitHub Demo app—The demo app is now obsolete and will be replaced by a brand new demo app for ASP.NET Core in the R3’16 release.

Cross-Platform Development and UI for ASP.NET MVC

Probably the most significant feature of ASP.NET Core MVC is the introduction of the new light and modular .NET Core runtime, which is OS-neutral. For the first time in .NET history, you can build applications and deploy them on Windows, Linux and Mac OSX devices. And on top of all that, it’s an open source solution so it’s free!

UI for ASP.NET MVC fully supports the .NET Core runtime, and helps you build beautiful responsive web experiences crossing the boundaries of the Windows world.

Visual Studio Code and UI for ASP.NET MVC
VS-Code

With ASP.NET Core MVC comes Visual Studio Code, a lightweight version of Visual Studio that can be used across platforms—Windows, Linux and Mac OSX. It blends a rich UI code editor with code assistance and navigation, along with integrated debugging experience.

UI for ASP.NET MVC integrates naturally with Visual Studio Code, making ASP.NET Core MVC app development a breeze on any platform.

Tag Helpers and UI for ASP.NET MVC

Tag Helpers are the new HTML-friendly way to create views and define UI in ASP.NET MVC applications. They are recommended as the better alternative to traditional MVC HTML helpers, while still allowing you to extend the elements with server MVC functionality. Tag Helpers are also much more “understandable” to front end developers and designers.

We are proud to announce that Telerik Tag Helpers are now available as part of our UI for ASP.NET MVC and include six of the most popular Kendo UI widgets: DatePicker, TimePicker, DataTimePicker, Button, Window and NumericTextBox.

Nuget, Bower and UI for ASP.NET MVC
Nuget and Bower

Popular package management and task automation solutions such as NuGet, Bower and Gulp are made first class citizens in ASP.NET Core MVC. That means every web developer can use Bower for client packages, NuGet for server packages and Grunt/Gulp for compilation, minification, etc., when building web apps.

UI for ASP.NET MVC takes advantage of these tools by providing a Bower feed for its client scripts, and a NuGet feed, hosted on our NuGet server, for its server wrappers implementation (see this help topic for details). Furthermore, you can build a custom script from the source using Grunt by following these steps.

Unified MVC and Web API Programming Model and UI for ASP.NET MVC

A prominent change in ASP.NET Core MVC is the unification and combination of MVC, Web API and Web Pages in a single programming model, which removes the overlap between the three separate frameworks. Moreover, the MVC and Web API controllers use the same Controller base class and routes.

The Telerik MVC product leverages this merge, which simplifies the development and streamlines the usage of MVC Web API architecture in .NET projects.

UI for ASP.NET Core R2 2018

AngularJS FIXED

Cannot change values of an AngularJS TimePicker with DateInput bound to a variable in the controller

HierarchicalDataSource DropDownList NEW

Screen Readers does not read value changed via keyboard when popup is closed

FIXED

ComboBox and DropDownList Change event doesn’t trigger with the Kendo UI 2018 R1 release OptionLabel is not selected when selecting a value that does not exist kendo.ui.DropDownList: cannot set autoWidth in html DropDownList autoWidth option cannot be set through data attribute ComboBox and DropDownList: Cascade more than 2 combobox is not working Change event fires on ComboBox/DropDownList blur Setting initial value does not work in jQuery 3.1.1 Inconsistent DropDownList cascade behavior on selection in the parent with the keyboard

NumericTextBox FIXED

When using `for` attribute in a NumericTextbox or DatePicker/DateTimePicker TagHelper the `format` property is not serialized

Slider FIXED

Incorrect position of Slider’s Tooltip with jQuery 3.*.*

TreeMap NEW

TreeMap Tag Helper

FIXED

TreeMapType enumeration has a wrong value in MVC and Core wrappers

PivotGrid NEW

PivotGrid tag helper

Editor FIXED

FileBrowser and ImageBrowser Upload method throws an exception in ASP.NET Core 2.0

Calendar NEW

Calendar tag helper

NumericTextBox FIXED

NumericTextBox does not reflect changes applied through setOptions HTML attributes are cleared from input element on form reset The NumericTextBox does not allow writing or paste decimals with decimals 0 and restrictDecimals to false. DOM Change Event does not fire Widget doesn’t calculate floating numbers when rounding is turned off

Chart FIXED

Chart plotArea method should return ChartPlotArea in typescript

Dialog FIXED

Dialog content is trimmed, if it exceeds dialog dimensions Unexpected Dialog buttons left alignment when buttonLayout is set to normal Setting the Dialog’s actions text with the setOptions method does not work correctly

Pager FIXED

Grid does not show data if pager option ‘All’ is selected Grid pageSize(All) not persisting after adding a new record

Calendar FIXED

The Calandar selectDates method should clear the selected dates when an empty array is passed. Incorrect style is applied in Calendar for March 1st in non-leap years

Application DataSource NEW

Add support for ASP .NET Core SignalR DataSource.Schema.Model.Field defaultValue property cannot be set to null in the tag helper

FIXED

DataSource taghelper initial filter works only with string field type Grid with aggregates throws error after deployment – ASP.NET Core 2 Add transport.cache property

Globalization FIXED

Globalization does not work for Grid Tag Helper

MultiSelect FIXED

MultiSelect throws an error for initially selected items with autoBind: “false” and grouping kendo.ui.DropDownList: cannot set autoWidth in html Wrong position of clear button on AutoComplete, ComboBox and MultiSelect in RTL in IE All items cannot be selected with keyboard Shift + Arrow key in MultiSelect MultiSelect with virtualization loses values on filtering Value is deselected on initial load Virtual scrolling in MultiSelect. A user’s selection is lost when the valueMapper function is not implemented. MultiSelect throws an error if an item is select while filtering

TimePicker FIXED

Cannot change values of an AngularJS TimePicker with DateInput bound to a variable in the controller Date/TimePicker popup auto-closes in Chrome when a preceding element’s height is reduced Time picker displays invalid last item on some min and max options

Grid NEW

Add columns.command.template option

FIXED

MaxLength model property breaks grid templates The scrollable(s => s.Height(“auto”)) property is not correctly applied to the ASP.NET Core wrapper Having two Grids in Core 2.0 with aggregates throws System.IO.FileLoadException: “Assembly with same name is already loaded” Globalization does not work for Grid Tag Helper DisplayAttribute is not serialized correctly for enums in core grid wrapper German special characters break edit templates for nested Grid in the ASP.NET Core wrappers The Animation configuration for the PopUp Window of the Grid is not applied Boolean column breaks Grid’s editing. Grid TagHelper Column format is not applied correctly

DatePicker FIXED

When using `for` attribute in a NumericTextbox or DatePicker/DateTimePicker TagHelper the `format` property is not serialized The footer of the DatePicker is not shown in the Kendo UI for ASP.NET Core wrappers.

ComboBox NEW

Screen Readers does not read value changed via keyboard when popup is closed

FIXED

Filter is not cleared upon blur after selecting the value of the input DataSource Read is forced on select event of cascading comboboxes ComboBox and DropDownList Change event doesn’t trigger with the Kendo UI 2018 R1 release kendo.ui.DropDownList: cannot set autoWidth in html AutoWidth is not applied when clearing manually in ComboBox and AutoComplete Wrong position of clear button on AutoComplete, ComboBox and MultiSelect in RTL in IE ValueMapper function gets called unexpectedly when ComboBox has initially selected value and the user changes the selection to one of the next items Selecting item with virtual scrolling looses the actual item in Firefox ComboBox with filter and virtualization throws “Cannot read property ‘item’ of undefined” error ComboBox with paging displays incorrect value if an item that is not on the first page is selected ComboBox and DropDownList: Cascade more than 2 combobox is not working Change event fires on ComboBox/DropDownList blur Inconsistent DropDownList cascade behavior on selection in the parent with the keyboard

TabStrip FIXED

Setting animation to false does not completely disable TabStrip animation in IE and Edge for Material theme

MediaPlayer FIXED

fullScreen property of the MediaPlayer doesn’t work MediaPlayer TypeScript functions have Void as a return MediaPlayer doesn’t load when wrapped in a div with style=”display: table;” due to an error in its ToolBar Toolbar of MediaPlayer is not initialized correctly when there is not enough width.

MVVM NEW

Add ability to define a template as string or function from the model

FIXED

DropDownList autoWidth option cannot be set through data attribute A JavaScript error is thrown when a new record is added to a filtered MVVM Grid

TreeView AutoComplete FIXED

kendo.ui.DropDownList: cannot set autoWidth in html AutoWidth is not applied when clearing manually in ComboBox and AutoComplete Wrong position of clear button on AutoComplete, ComboBox and MultiSelect in RTL in IE AutoComplete’s dropdown is not properly resized when noDataTemplate is initially shown and the AutoWidth functionality is enabled.

Menu FIXED

Input in submenu keeps the submenu popup open

Localization FIXED

When en-US messages script file is loaded, TreeList enables the columnMenu

TreeView NEW

Update indeterminate state of checkboxes when dataSource is filtered

FIXED

TreeView template not rendered correctly with special characters Checkchild is setting the checked proeprty to disabled items Treeview reordering items not placing at expected positions after filtering Unable to drag TreeView items with URL set, when dragging starts on items’ text treeView drag&drop, Uncaught RangeError: Maximum call stack size exceeded TreeView’s expand/collapse state is inverted after e.preventDefault() on collapse

Upload NEW

.k-dropzone-hovered class not removed from Upload’s custom dropzone

FIXED

Custom Upload Widget instance is no longer available after select Chunk Upload throws error, when autoUpload is set to false and a file from the selected files is removed

MaskedTextBox FIXED

MaskedTextBox does not expose Rules property in the ASP.NET Core html helper

Draggable FIXED

Fix scrolling root element if drag outside

PanelBar NEW

Add templates support for PanelBar in MVVM

DataSource FIXED

TypeScript: Missing inPlaceSort property for the DataSource in the definitions DataSource TypeScript group option should accept any parameter Vue datasource is not found in Kendo Window Error is thrown when using JSDO batch operations

DateTimePicker FIXED

When using `for` attribute in a NumericTextbox or DatePicker/DateTimePicker TagHelper the `format` property is not serialized

DatePicker FIXED

Date/TimePicker popup auto-closes in Chrome when a preceding element’s height is reduced

ThemeBuilder LESS FIXED

Theme builder is not working on Safari.

ListBox FIXED

The setOptions method of the List Box is not changing the dataTextField property. The ListBox toolbar disabled items does not receive a tabindex -1 and can be focused.

TimePicker FIXED

When using `for` attribute in a NumericTextbox or DatePicker/DateTimePicker TagHelper the `format` property is not serialized

Window FIXED

Kendo Window fires close event twice on Esc keydown when using preventDefault Disabled anchor in Window prevents Tab navigation to other focusable elements (IE)

ToolBar FIXED

Wrong color of split button arrow by click Disabled Button in Toolbar should have focus stylization Cannot toggle checkboxes in ToolBar overflow popup Disabled ToolBar SplitButton can be opened with the keyboard Inconsistent filling of the available space on init and on re-size Non-resizable ToolBar throws JS error when tools and separators break on a second line MediaPlayer doesn’t load when wrapped in a div with style=”display: table;” due to an error in its ToolBar

Scheduler NEW

Scheduler should trigger change on Surface in Chrome Scroll acceleration under 2 in 1 devices

FIXED

Start a scroll gesture from event does not scroll content under iOS Drag and drop of Kendo Scheduler events does not work properly on Windows 10 touch devices

Grid FIXED

Grid does not persist selection after cancelling popup editing Grid does not show data if pager option ‘All’ is selected Dropdowns in Grid filter menu are not closed on devices with touch and mouse Kendo Grid data not refresh after Menu Filter clear Grid pageSize(All) not persisting after adding a new record Validation tooltip visible with correct data in the Grid Extend TypeScript definition of GridColumn command k-sorted class incorrectly applied in Grid when a column is hidden before sorting Navigatable grid does not focus header when multi-filter check is used Offline Mode in MVC Grid removes records on Cancel when the record was updated previously The Grid validation message is hidden after entering valid and then invalid value(InCell) The Grid select method is selecting wrong cells with locked columns. PageSize is set to total when number of records is less than the page size Grid horizontal scroll is very slow Enabling Navigatable in Grid prevents SHIFT+Arrow Keys selection in editors Virtualized Grid sorting breaks after scrolling if the Grid was filtered. Grid column menu is rendered inside the filter menu after column reordering. minResizableWidth does not work with a preceding hidden column The Grid with endless scrolling, grouping, and locked column is not collapsing the groups. The last two records disappear from the editable, virtualized Grid. A JavaScript error is thrown when a new record is added to a filtered MVVM Grid Headers inner column change the location between parent columns after reordering minResizableWidth is not applied correctly with frozen columns It is not possible to change checkbox value in batch editing on devices with Touch and Mouse. RTL Grid wrong scroll on setDataSource in Chrome The horizontal scroll goes out of sync with Virtualized Grid with locked columns after scroll and click on the scroll arrow The selectedKeyNames method will not return the selected elements if the persistSelection is false(default). When menu property of some columns is set to false, the columnMenu does not allow hiding all optional columns Navigatable batch editing grid has wrong focus on mobile and hybrid devices The Grid is not receiving focus when the tab is pressed on Surface(tablet). Grid Pager numbers cover bottom Grid row preventing selection on small screens for Bootstrap, Fiori, Flat, and Office365 themes. It is not possible to change checkbox value in batch editing on IOS. Wrong tab order is applied to the cells of new record item if sorting the grid. An error occurs when delete an item and save changes with JSDO batch operations

DateTimePicker FIXED

Date/TimePicker popup auto-closes in Chrome when a preceding element’s height is reduced Setting min property of the DateTimePicker to the last possible value in the TimeView causes the TimeView to display all slots, instead of only the last one

TreeList FIXED

TreeList does not fire expand/collapse events when using keyboard navigation TreeList does not reload item children correctly.

Editor NEW

Add `toolbar` field and `toolbar.window` field to Editor TypeScript definition

FIXED

Editor adds new lines within comment blocks after viewing the HTML and clicking Update Editor removes spaces in IE11 when pasting formatted XML from Visual Studio Image is deleted when deleting the last ordered list item using backspace Empty hyperlink is inserted when pressing enter at the beginning of link Table tools are positioned in the toolbar overflow menu when a table is selected

Spreadsheet FIXED

Spreadsheet SheetDataSourceBinder class uses a global instance of jQuery Incorrect formula output with comparison Deleting rows when filter is applied deletes hidden rows also Spreadsheet does not properly format decimal numbers with more signs after the decimal point Spreadsheet displays default row/column width and height if they are explicitly set to 0 datasource can not be set as array in vue spreadsheet Cell values formatted as percent are incorrect for certain values Spreadsheet PDF Export last row height is greater than the other rows Spreadsheet PDF Export has missing borders

ListBox NEW

ListBox tag helper

Scheduler All components NEW

New widget: New widget: New widget: New DropDownTree widget MaskedTextBox MVVM, when the mask can be parsed to number the widget is initialized with invalid mask Update Kendo.Mvc.dll to reference System.Web.Mvc 5.2.4 to avoid warnings Implement chat-ui based on designs Add reference to .netStandard 2.0 for ASP.NET Core wrappers Gantt TagHelper TabStrip TagHelper Menu TagHelper Update .NET Core demos to 2.0 Editor TagHelper Official support for jQuery 3.3.1

FIXED

‘Invalid-meta The “main” field cannot contain minified files’ error is thrown when installing Kendo-UI Bower package Removing a filter applied in the configuration will still export to excel filtered data in a Grid. Missing widgets definitions in kendo typescript file. Kendo Dashboard template project hangs in IE parseDate ignores timezone sign for minutes offset CheckBox renders two input fields ListBox MVC wrapper could not be configured with shared DataSource

TreeList NEW

TreeList tag helper

FIXED

When en-US messages script file is loaded, TreeList enables the columnMenu

PanelBar Button FIXED

kendoButton keeps active state if pressing Enter to trigger click and changing focus inside click event handler

ColorPicker ListView FIXED

ListView drag events could not be detected on Windows device with capactive touch screen in IE and Edge browsers.

Spreadsheet DateInput FIXED

Cannot change values of an AngularJS TimePicker with DateInput bound to a variable in the controller

Map NEW

Map tag helper

PDF Export NEW

Side-to-side/excel-like PDF Export functionality

FIXED

Wrong page sizes in the PDF Export / Page Layout demo Table rows are split when exporting to PDF Spreadsheet PDF Export last row height is greater than the other rows Spreadsheet PDF Export has missing borders

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