Enjoy components for every need: navigation and layout, data management and visualization, editing, interactivity and more. In our 11 years of aggressive product development – including 3 major and up to 6 minor releases per year – we have implemented, tested and optimized over 4,000 features in Telerik ASP.NET controls.

Complete Set of Features and Controls
Enjoy components for every need: navigation and layout, data management and visualization, editing, interactivity and more. In our 11 years of aggressive product development – including 3 major and up to 6 minor releases per year – we have implemented, tested and optimized over 4,000 features in Telerik ASP.NET controls.

Mobile Support and Responsiveness
No need to build a mobile version of your project since the web sites and apps built with Telerik ASP.NET controls work equally well on desktop and mobile devices.

Use the Page Layout Framework to build responsive ASP.NET applications
Leverage the adaptive, fluid, elastic and responsive capabilities featured in most controls to offer user experiences tailored to each end-user's device
Gain productivity since touch events are handled in the same manner as those triggered by a keyboard or a mouse
Get a better user experience with the two mobile skins especially designed for touch devices that come included in the suite

20 Built-In Professional Grade Skins
Give your applications a sleek, professional look by setting a single property. By applying one of the 20 professionally-designed skins that come with Telerik UI for ASP.NET AJAX, including two engineered with mobile devices in mind, you save design and front-end development time. No need to be a CSS wizard to create or customize the Telerik skins with our web-based Visual Style Builder.

Exceptional Performance and User Experience

We constantly optimize the performance of UI for ASP.NET AJAX to meet your end users’ expectations. This is why the controls:

Produce minimal and clean HTML and CSS
Minimize j@vascript by loading only what’s needed
Reduce postbacks for a better user experience
Compress data transferred between browser and server (Pages, j@vascript, ViewState, JSON data, etc.)
Use built-in CDN support and CSS sprites to deliver content faster to end-users (Telerik covers all CDN costs for you)
Minimize memory usage and have robust code, free from memory leak

UUI for ASP.NET MVC R3 2016

All components
NEW
New widget: New widget: A Dialog Widget
Replace deprecated gulp plugin 'gulp-minify-css' with 'gulp-clean-css'
Update UI for ASP.NET Core Mvc Getting Started instructions
Remove Grunt from the project
Update `kendo-ui-core` NPM package
Build task for CommonJS format
Enable Localization for kendo.progress
Ensure widget instance is available when using WebComponents
Package MVC Core examples as AspNet.Core instead of MVC6
Telerik.Web.Spreadsheet no longer includes binaries for .NET 4.5, only for .NET 4.0
FIXED
Wrong disabled text color in MetroBlack theme
Outdated sources in Kendo UI Professional Bower package
Wrong sprite_2x for Office365 theme
Fix popup close without effects should hide wrapper #5326
Wrong border-color of checked checkbox in the Default theme
Image is cut on half when flip effect is performed
Hover over tipped element leaves highlighted rectangle under MS EDGE
Wrong left padding on k-textbox
The .k-checkbox class is removed when additional class is set via the HtmlAttributes method
AngularJS
NEW
AngularJS bindings inside headerTemplate are not applied
FIXED
Virtualized widget cannot set model to selected object
Rendered items does not correspond to the dataItems in virtualization mode + AngularJS
IE10: Disabled button is still clickable
Application
FIXED
Loading animation in the Mobile Fiori theme is broken
AutoComplete
NEW
Virtualization support without a value mapper
Multiple separators
`AutoWidth` configuration option
Add an option to Autocomplete to not show all items on length = 0
"Clear" button
Footer template
"No data" template
List widget doesn't support PgUp/PgDown for keyboard navigation
FIXED
Virtualized widget cannot set model to selected object
Rendered items does not correspond to the dataItems in virtualization mode + AngularJS
VirtualList does not clear the selected value if valueMapper returns null
IE - when the page is scrolled in Right To Left the popup window's position is wrong
MultiSelect and AutoComplete focused items not visually recognizable in Office365 theme
Button
FIXED
IE10: Disabled button is still clickable
ButtonGroup
FIXED
Button overlap badge in buttongroup
Calendar
FIXED
Cannot select start of epoch - '1/1/1970', when UTC (Dublin) timezone is used
Chart
NEW
Support milliseconds as a base unit
Make the point stack value available in templates and events
API for accessing the plotArea, panes, series and points
Add support for using a function for the pie/donut chart connector color
FIXED
100% Stacked Bar Chart is not clipped during panning
Sticky hover is lost when hovering the plotArea
setOptions cannot disable mousewheel of the chart
Category axis in secondary pane overlap
dragEnd does not report updated axis range after panning
Category axis placed in non-default pane does not respect the specified crossing value
PlotArea background should be rendered only in the charts area
Panning and zooming should be allowed only in the area between the axis lines.
ColorPicker
FIXED
Certain custom colors could not be applied to the ColorPicker component
ComboBox
NEW
Copy maxlength attribute to the visible input element
Enhance the search box behavior, so that no data is requested initially
Support for defaultSelected settings
Virtualization support without a value mapper
`AutoWidth` configuration option
Add an option to Autocomplete to not show all items on length = 0
"Clear" button
Footer template
"No data" template
Support filtering when value is paste
List widget doesn't support PgUp/PgDown for keyboard navigation
FIXED
Flash of unbound value occurs during loading
The dropdown popup appears in wrong position on mobile devices
Rendered items does not correspond to the dataItems in virtualization mode + AngularJS
VirtualList does not clear the selected value if valueMapper returns null
JS error when calling setDataSource with read DataSource in virtual mode
ContextMenu
FIXED
Context menu - is throwing TypeError after use of contextmenu.open()
DataSource
FIXED
OData v4 datasource transport serializes date filters without converting to UTC
DatePicker
FIXED
Widget displays value out of range
Cannot select start of epoch - '1/1/1970', when UTC (Dublin) timezone is used
DateTimePicker
FIXED
Widget displays value out of range
Cannot select start of epoch - '1/1/1970', when UTC (Dublin) timezone is used
Drawing
FIXED
drawDOM does not overlay same-z-index elements correctly in Chrome
Drawing API requires Popup to be loaded
"Maximum call stack exceeded" error when calling exportImage
DropDownList
NEW
Enhance the search box behavior, so that no data is requested initially
Support for defaultSelected settings
Virtualization support without a value mapper
`AutoWidth` configuration option
Add an option to Autocomplete to not show all items on length = 0
Footer template
"No data" template
Skip item selection on blur when list is filtered
Support filtering when value is paste
List widget doesn't support PgUp/PgDown for keyboard navigation
Copy title attribute value to the focusable element
FIXED
Widget display '[object Object]' when clear text with the 'text' method
Widget throwns an exception when using a calculated field for dataTextField
Virtualized widget cannot clear the selected value
The dropdown popup appears in wrong position on mobile devices
Rendered items does not correspond to the dataItems in virtualization mode + AngularJS
VirtualList does not clear the selected value if valueMapper returns null
Widget appends its popup in the wrong place when put in PanelBar
Editor
NEW
Resizing of tables, columns and rows
New Table Wizard dialog
Add support for immutable containers in the editor widget
Add custom handlers for (de)serialisation of HTML content in Editor
FIXED
javascript error is thrown when pressing Esc key on a dropdown's popup
Editor scolls to end when pasting from clipboard in Inline mode
ImageBrowser deletes file even if destroy action returns error
The color of font element cannot be changed by forecolor tool in IE and Firefox
InsertHtml command unnecessarily scrolls page with inline editor
Table cannot be inserted when all or keepNewLines option is enabled
When upload fails uploaded file is listed in FileBrowser
Excel Export
FIXED
Excel Export - Multi-line content exported as a single line
Excel export fails for rows with no cells defined
FilterMenu
NEW
Allow filtering using "isnull" and "isnotnull" operators only
Gantt
NEW
Add support for range and selected date
Split editable options
Globalization
NEW
kendo.toString and format of big numbers
Grid
NEW
Add a reference to the group value in the groupFooterTemplate
Expose sort, filter and page events on for the Grid
Grid should persist the horizontal scroll position after column auto-fitting
Performance issue with Kendo UI Grid with grid bound to local data and filter row mode enabled
FIXED
Grid filter flickers on IE 11 when the widget is loaded inside Window.
Server wrappers should generate text for filter and column menus
Incorrect progress is reported by saveAsPDF / pdfExport when using automatic page breaking
Error is raised when edited row is deleted and model field is modified
Grid column auto-fitting should take into account filter and column menu icons
Grid "Working offline" offline demo is lacking a reference to the mobile css file
Grid dirty cell indicator is misplaced in RTL mode
PDF Export javascript error when Grid is not pageable
Demo is not styled properly
Grid's pager is not responsive in Edge browser
MobileListView
FIXED
fix possible memory leak in mobile list view
MultiSelect
NEW
Support for defaultSelected settings
Virtualization support without a value mapper
New preventable add/remove events
`AutoWidth` configuration option
Add an option to Autocomplete to not show all items on length = 0
"Clear" button
Footer template
"No data" template
Support filtering when value is paste
AngularJS bindings inside headerTemplate are not applied
List widget doesn't support PgUp/PgDown for keyboard navigation
Copy title attribute value to the focusable element
FIXED
Virtualized MultiSelect does not fire its change event if there are no initially selected values
Widget copies tags on multiple value method calls
Cannot remove a programatically set value from virtualized widget
Clicking the 'X' in the tag does not remove the tag, but it duplicates it
Cannot select value that is not present in the first page (after first page is loaded)
The filter text disappears after selecting an item in the MultiSelect with autoClose: false
Selected items are not cleared in tag mode
Rendered items does not correspond to the dataItems in virtualization mode + AngularJS
VirtualList does not clear the selected value if valueMapper returns null
Preselected items in Multiselect are cleared upon filtering
JS error after selected items are cleared through the API
add two spaces and then click on multiselect , it will show empty list
MultiSelect and AutoComplete focused items not visually recognizable in Office365 theme
Notification
FIXED
Wrong notification border color in Fiori theme
NumericTextBox
NEW
Pasted number should be validated against min/max range
Improve accessibility of non-active widget
Restrict typed decimal digits
Turn on/off number rounding
Add aria-title attribute to the presentation input element
FIXED
Update the model when numeric value is decreased\increased by the arrows (AngularJS)
Keyboard jiggling in Win Phone 10 (Edge)
upArrowText and downArrowText are not localizable
Pager
FIXED
The dropdown popup appears in wrong position on mobile devices
PanelBar
FIXED
Small visual glitch on expand/collapse of panel
PivotGrid
FIXED
Widget bound to flat data throws an exception when try to apply "Include Fields" filter
Scheduler
NEW
Grouping by Date/Resource
Grouping by Date/Resource
FIXED
javascript error is thrown in IE when press arrow keys when scheduler is not focused
Inconsistent time slot selection when navigating away from the last slot available in Day, Week and WorkWeek Views
Slider
FIXED
Wrong draghandle border color in type-default themes
Spreadsheet
NEW
Support user-defined names
Allow selecting cell date/time values from a picker
Allow selecting cell values from a list
FIXED
Spreadsheet should remove the disabled state of cells before pasting
Valid cells with applied validation display as invalid in Spreadsheet, after its content has been exported to XLSX
"No data" template shown when not applicable
Validation not working correctly in Mozilla Firefox
Error when Spreadsheet is initialized in a hidden container
Hiding a column leaves ghost merged cell visible
Long pasted text with spaces is split on multiple lines when copied from Excel cell.
Deleting a row doesn't trigger the datasource destroy action
Undo/Redo command is executed twice
Uncaught TypeError: Cannot read property 'row' of undefined
Broken appearance of font-size toolbar field
Multi-line content pasted in a cell is visible near top-corner when active
StockChart
NEW
Support milliseconds as a base unit
FIXED
Category axis in secondary pane overlap
Category axis placed in non-default pane does not respect the specified crossing value
TabStrip
FIXED
Strange border under the active tab in IE
Wrong active state in Material/MaterialBlack themes
Different top/bottom and left/right padding in TabStrip content
TimePicker
FIXED
Widget displays value out of range
ToolBar
FIXED
ToolBar is unable to hide buttons in the overflow container
Upload
NEW
Add 'upload' method to manually start the upload process
Add aria-label attribute to the corresponding elements of Upload
Add a remove() method for removing a single file
Enhance successful upload handling
Add getFiles() method to retrieve currently selected files
Configuration of allowed file types
Improve Drag and Drop functionality
Display remove button when removeUrl is not defined
Add a clear() method for bringing the widget to initial state
FIXED
Upload widget incorrect tab order
Remove button in material theme is missing 'focus' state
Validator
NEW
Use a simplified version Regular Expression used by email validation rule
Window
NEW
Automatically resize nested components upon activate
FIXED
setOptions should remove existing dimensions if nulls are provided
Window removes inline styles from its originating element if scrolling is disabled
Themes visual glitches on MS EDGE
Wrappers (ASP.NET MVC): Barcode
FIXED
Checksum(true) is ignored
Wrappers (ASP.NET MVC): DataSource
NEW
Document transport.submit method and include it in wrappers
Wrappers (ASP.NET MVC): Editor
FIXED
pasteCleanup.custom option's callback is not serialized properly
Work week view button is not translated in French
Wrappers (ASP.NET MVC): Grid
FIXED
New lines are not removed from the serialized editor template if they are \n instead of \r\n
Dynamic class cache is generated multiple times for the same request
Wrappers (ASP.NET MVC): Scheduler
FIXED
Work week view button is not translated in French
Wrappers (ASP.NET MVC): StockChart
NEW
Add mousewheel configuration for the navigator

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