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 leaks

UI for ASP.NET AJAX R3 2016 SP1 (version 2016.3.1018)

Common
NEW

    Add new static method to return element selector query from given HTML element

AutoCompleteBox
FIXED

    Partially hidden Classic RadAutoCompleteBox input text/placeholder message in IE10+ when using bootstrap.css

ComboBox
FIXED

    RadComboBox EmptyMessage is not applied, when certain amount of items are checked and then unchecked

DropDownList
FIXED

    SelectedItem of RadDropDownList is restored on blur, when it was previously cleared using set_selected(false)

DropDownTree
NEW

    IMPROVE: Lightweight DropDownTree clear button should not have border and on hover it should only change the cursor type

Editor
FIXED

    RadEditor inserts a BR element to design mode in Firefox and Chrome when ConvertToXhtml filter is turned on
    Deleting contents deletes the elements
    Deleting content from and elements deletes only the first contents
    Deleting the content of a table leaves an nbsp between the cells
    Background color from a table is lost in IE when ConvertInlineStylesToAttributes is enabled and client-side validation is invoked

FileExplorer
FIXED

    The text of the custom dropdown buttons in FileExplorer's Toolbar is not visible in LightWeight

Gantt
FIXED

    Unexpected rounded corners of RadGantt Views dropdown on small screen devices

Grid
FIXED

    RadGrid with static headers misalignment issue in IE
    RadGrid throws exception when grouping with hierarchy in Lightweight render mode
    Group row style breaks when hiding columns
    For Batch edit mode when InsertVisiblityMode is set to AlwaysVisible for a ReadOnly column the editor is not hidden in some scenarios
    RadGrid columns reodering does not reorder the group footer aggregates correctly
    MultiCell selection in RadGrid throws JS error when there is hierarchy (DetailTables or NestedViewTemplate)
    Check if tFoot exist, when calling ResizeToFit
    CurrentFilterFunction resets to NoFilter after first postback, breaking the AutoPostBackOnFilter and CheckListFilter with load on demand
    RadGrid frozen columns horizontal scroll does not show up correctly in WebKit browsers
    Multi-column headers with hierarchy do show/hide correctly
    FilterMenu force classic rendering of RadGrid.

HtmlChart
FIXED

    Fix javascript error when RadClientDataSource is declared below RadHtmlChart Sparklines chart

ImageEditor
FIXED

    Dialog tools panel is not positioned properly when there are more than one ImageEditor on the page

ListBox
FIXED

    Missing Lightweight RadListBox scrollbars, if Header/Footer Template is used and Height is set (Firefox, IE 8+ and Edge)

ListView
FIXED

    When DataGroups are defined the additional items per page are shown after paging

Menu
FIXED

    Mobile RadMenu does not collapse its dropdown, if updated through AJAX
    On item selection the Menu's submenu collapses and auto-expands again (IE and Edge)
    Keyboard support for ContextMenu is not working correctly when the first or last item is hidden

PanelBar
FIXED

    Unable to move cursor in editable elements, e.g. RadTextBox or RadEditor, inside RadPanelBar ContentTemplate with arrow keys, if a RadPanelBar item is clicked
    Missing RadPanelBar role=tablist when WAI-ARIA is enabled and AriaSettings are not set
    Displaced RadPanelBarItems toggle arrow unless font-size 14px is set
    JS error on expanding an initially hidden RadPanelBar 

PivotGrid
FIXED

    PivotGrid: setting cell.CssClass to some class does not work for total cells but it does for data cells

Scheduler
FIXED

    Missing localization property to manage the Recurrence Never in the Advanced Form of the RadScheduler

ScriptManager
FIXED

    javascript error Cannot read property 'get_multiDayViewSettings' of undefined on loading RadScheduler in DayView with combined CDN resources enabled

TabStrip
FIXED

    Disabled RadTabStripTab is not read as unavailable by JAWS
    Pressing Space to activate a TabStrip Tab scrolls the page

TreeList
FIXED

    RadTreeList with Client ExpandCollapseMode and DetailTemplate displays the templates for the child items, when the parent is collapsed
    TreeList with ExpandCollapseMode=Client and Visible=false on initial load, does not populate correctly when Visible=true is set on postback

Window
FIXED

    Dynamic ToolTip has 100% height while retrieving load on demand content
    When the image is removed from the predefined dialogs, the dialog type CSS class is also removed from their content elements

Wizard
NEW

    Ability to inherit the RadWizardStep class and use the derived instance in the RadWizard

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[b] Only for V.I.P

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