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 Q1 2016 (version 2016.1.113)

ASP.NET AJAX
NEW

    New Material skin
    Spreadsheet (Official)
    New PushButton control
    New LinkButon control
    New ImageButton control
    New ToggleButton control
    New CheckBox control
    New Label control
    Enjoy 100% lightweight rendering as of Q1 2016
    New Outlook-inspired Mail client app (See the application)

 
Common
NEW

    Improve the Xlsx ExportInfrastructure so that the cell HyperLink property can point to a local file on the machine
    Automatically turn-off ajax when exporting controls

FIXED

    Exporting image with BIFF format through SSL causes an exception

Ajax
FIXED

    RadScritpBlock can not register scripts if the ajax initiator is removed from the page after the request.

AsyncUpload
FIXED

    AsyncUpload - select's button bottom border is missing when FileInput is hidden(small skins) - Chrome and Opera
    Lightweight RadAsyncUpload input's height is not equal to the button's height
    Drag&Drop to Upload functionality of the RadAsyncUpload does not work in Edge browser.

AutoCompleteBox
FIXED

    RadAutoCompleteBox does not update its client state on adding of an entry but only on blur
    RadAutoCompleteBox popup is not properly positioned when the FORM element is offset

Button
NEW

    Create RadPushButton
    Implement ARIA attributes in RadButton
    Improve the Lightweight rendering for the button so it doesn’t render second span when the Text is not set
    RadCheckBox control

FIXED

    The checkbox icon of a checkbox RadButton appears over the text when a smaller width is set in Classic rendering
    The server-side onclick event is not raised when clicking on the Button text with Lightweight rendering in Chrome
    The set_enabled method doesn't update the client state of RadButton

ClientDataSource
NEW

    Make RadClientDataSource to work with all server side data source controls

ClientExportManager
FIXED

    ClientExportManager Design Time - the link to online demos is not correct

CloudUpload
NEW

    Add Lightweight Render Mode for RadCloudUpload
    Lightweight Render Mode for RadCloudUpload

ColorPicker
NEW

    Rename default text for Web Palette and RGB Sliders in ColorPicker

ComboBox
NEW

    Navigate to the CheckAll button in the RadComboBox with the keyboard

FIXED

    Edge browser crash on RadComboBox filtering
    RadComboBox with Filter=Contains when user types some custom text in the input field and initiate a post-back the selected index changed is fired

DataForm
FIXED

    javascript error thrown on RadDataForm fireCommand() method called

DataPager
FIXED

    Go to Page field does not work with SEO paging.

Diagram
NEW

    ADD ConnectionDefaultsSettings.Type property

FIXED

    RadDiagram throws a NullReferenceException when you use the ConnectionDataSource property to data bind its connections to an SqlDataSource

Dock
FIXED

    Setting the width or height of RadDock in percentages gets converted to px after a post back 

DropDownTree
FIXED

    Saved DropDownTree state with no items selected is not properly restored

Editor
NEW

    ADD ShowText property in SplitButtons of RadEditor's toolbar
    Remove FixEnclosingP filter from default content filters collection of the Editor

FIXED

    The HTML comment tags are stripped by RadEditor
    Pasting an embedded image under Chrome bypasses the OnClientPasteHtml event
    The Paste event is added twice to the Editor's undo stack in IE
    Mobile editor is not working when AutoResizeHeight is enabled
    Unable to set value of the property 'control': object is null or undefined error when showing RadEditor with RibbonBar toolbar with RadAjaxManager
    StyleBuilder dialog is missing localizations
    ToolProviderID mechanism does not work with Default ToolbarMode and JS error is thrown
    “Page Properties” dialog is throwing “InvalidCharacter” error in IE10 when Keywords and Description fields are filled
    RibbonBar icons are not loaded properly when setting RenderMode to Lightweight in code behind
    The deleted content is not tracked when deleting a selection containing ins tag

FileExplorer
FIXED

    javascript error with RenderMode=Lightweight in IE8 when the File Explorer is hidden

Filter
FIXED

    RadFilter - When the DataType property for RadFilterDropDownEditor is set to numeric type, a server-side exception is thrown when the editor is bound to a DataSource control

FormDecorator
FIXED

    Decorated ASP:DropDown is collapsed when the scrollbar is clicked under IE 11 on Win8.1

Gantt
FIXED

    Fixed RadGantt client-side setter properties

Grid
NEW

    RadGrid Virtualization with CustomPaging support
    Improve: Hidden columns(Display=false) are not positioned correctly when show them via HeaderConextMenu
    RadGrid all export infrastructure formats (biff, xlsx, docx) to support grouping with multi-row headers
    [Improvement] Add an option to filter by the Value when using CheckList filtering of RadGrid.
    ADD: RadGrid - Expose a property, which could enable the persisting of white spaces (at the beggining and at the end of the input) when filtering with Contains, StartsWith, EndsWith and DoesNotContains filter functions
    Added shortcut methods for RadGrid export
    RadGrid RadDateTimePicker, RadDatePicker TimeZone Support

FIXED

    Combination of HierarchyLoadMode=ServerOnDemand with GroupLoadMode set to Client breaks the details table visibility.
    When Virtualization is enabled for RadGrid if there is GridHyperLinkColumn added, its content disappears after scrolling past the first page
    RadGrid place wrong item in edit, when Hierarchy and Paging is used
    RadGrid`s inner items have wrong expanded state when GroupLoadMode=Client HierarchyLoadMode=Client in Lightweight render mode.
    When the OnCommand event is cancelled with Batch mode the insert command is replaced with an empty update command on the server
    Between filtering is not working when RadGrid is bound to ClientDataSource
    AddNewRecords for RadGrid does not work in Lightweight mode in some scenarios
    RadGrid throws js error when filter using excel like filtering functionality and ShowFilterIcon=false.
    RadGrid - the row delete icons do not change based on the skin selected with RadSkinManager
    ExpandAll button does not change the state of hierarchy expand/collase buttons when rendermode is Lightweight and HierarchyLoadMode=Client.
    Hierarchy RadGrid with frozen columns and scrolling- misalignment issue.
    Having multiple RadGrids in Batch Edit mode with GridTemplateColumns and initiating saving through an external button does not work
    Setting DefaultInsertValue does not work for a batch editing grid.
    saveTableChanges method of batchEditingManager does not work for more than one Grids on the page
    RadGrid filtering is not working when virtualization is enabled and grid is bound to WCF Web Service
    HeaderContext filter menu closes when text is clicked in Chrome
    When sort a grid with LightWeight render mode and export to Excel Biff format the sort expression is added to the header cells
    Grid header item is always exported in Excel when using Biff or XLSX formats.
    CheckList Filtering cannot filter properly list value that has a space in the data field
    When filtering ajaxified grid two requests are fired and this prevent hiding of the Loading Panel
    It is not possible to set PageSizes property to RadGrid, but to MasterTableView only
    Incorrectly displaying of the built-in export icons in Bootstrap skin.

HtmlChart
NEW

    MinValue and MaxValue for XAxis should be serialized for Category series

Input
NEW

    RadInputManager MaskedTextBoxSetting.RequireCompleteText

LightBox
FIXED

    The image in RadLightBox jumps when changing in Lightweight render mode
    Fix all discrepancies related to the Material skin in RadLightBox in Lightweight

ListBox
FIXED

    Not working RadListBox checking newly added items in the ItemsRequested event handler
    No RTL mode for Lightweight RadListBox

ListView
FIXED

    ListView EmptyTemplate with grouping breaks databing with Eval in Item template on postback
    When you have DataGroups and you bound the ListView to an empty collection, inserting the first item and rebinding the control will not generate the DataGroup 

MediaPlayer
FIXED

    RadMediaPlayer time tooltip duplicates if the video ends when the tooltip is shown

Menu
FIXED

    Incorrect positioning of RadContextMenu with the showAt() method when the page is scrolled 

PageLayout
FIXED

    Row inserted with Insert method is always rendered last by the RadPageLayout, regardless of the passed index

PivotGrid
NEW

    Add OnDataProviderStatusChanged event of RadPivotGrid

FIXED

    Pivotgrid filtering does not work correctly in .net 3.5

ProgressManager
FIXED

    Not working RadProgressArea in SharePoint 2013

RibbonBar
FIXED

    Not working RadRibbonBar Activated KeyboardNavigationSettings property

Scheduler
NEW

    Export RadScheduler with custom skin in PDF

FIXED

    RadScheduler ContextMenus do not inherit Lightweight RenderMode, if the Scheduler is Lightweight

SearchBox
FIXED

    SearchContext is not shown correctly when the input is focused first if EnableAutoComplete is set to False
    Classic RadSearchBox height inconsistence

Slider
FIXED

    RadSlider with ItemType set to Item and items with Visible set to false does not position its drag handle correctly
    When RadSlider is vertically oriented with Lightweight render mode enabled and 100% width, the text of the slider items has a fixed width

SocialShare
FIXED

    RadSocialShare is not applying the proper skin to the compact window when set on Page_PreRender

Spell
NEW

    Add Lightweight support for RadSpell

Splitter
FIXED

    Incorrect positioning of expanded sliding pane if the Splitter is nested inside a Splitter with VisibleDuringInit set to false

StyleSheetManager
FIXED

    In Master/Content scenario the scripts placed before HeadContent are rendered after it.

TabStrip
FIXED

    Lightweight RadTabStrip throws a javascript error, when the orientation is set to vertical and the alignment is justified
    Missing disabled class styles of Lightweight RadTabStrip

TileList
FIXED

    Drag-related events are fired on a simple tile click in a RadTileList
    Dragging of tiles is impossible in iOS and Android

ToolBar
NEW

    Responsive capabilities for RadToolbar
    Improvement in SpriteCssClass rendering in RadToolbar
    Add rtbIconOnly class to items that have Image and no text or hidden text

FIXED

    Focused state persists in RadToolBar after selection

ToolTip
FIXED

    Callout positions are incorrect in Lightweight RenderMode
    IMPROVE handling client callbacks inside the RadToolTipManager's content loaded via AJAX

TreeList
FIXED

    RadTreeList does not persist the width of autogenerated columns after resizing
    TreeList popup edit form height is not calculated correctly

TreeView
FIXED

    TreeView nodes lines are visible when ShowLineImages=false and ClientDataSource is used.

Window
NEW

    IMPROVE The Predefined dialogs of the RadWindowManager should respond to the spacebar key to trigger their default (focused) button
    Implement accessible modality of RadWindow

FIXED

    IMPROVE When RadWindow has AutoSize enabled and the browser viewport is not sufficient a postback in the content page moves the RadWindow to the right

Wizard
NEW

    Lightweight Render Mode for RadWizard

FIXED

    RadWizard tooltip appears over the content of the step when RenderedSteps =Active
    Getting Embedded Skins images (thumbnails) not working correctly for Wizard

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