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 (version 2016.3.914)

Common
NEW
Add classes for hovered, focused, selected states instead of pseudo class names
Ajax
FIXED
Memory leak issue with RadAjax controls
AutoCompleteBox
FIXED
RadAutoCompleteBox TabIndex property not applied to the rendered input
RadAutoCompleteBox remains disabled, when its parent asp:Panel control is enabled
Button
NEW
Create new RadRadioButton control
Create new RadCheckBoxList control
Create new RadRadioButtonList control
ClientDataSource
NEW
Improve ClientDataSource client-side paging and chaging of page size
FIXED
An endless loop of requests occur if EnableServerSorting is set to true.
CloudUpload
FIXED
Wrong RadCloudUpload toggle button icon in CDN scenario
Diagram
NEW
Sync RadDiagram features with Kendo diagram widget for R3.2016 release
Dock
FIXED
RadDock cannot be dragged to a nested RadDockZone with float styles
Editor
FIXED
Remove full URL encoding when adding a link in RadEditor
Table Wizard dialog does not remove the styles included from the Table Styles tool
The formatting of nested lists is lost when pasting from Word in IE10
JS error is thrown when a form element is inserted in the Editor
The OK and Cancel buttons of the Link Manager are cut off in Silk and Glow in Classic mode
FileExplorer
FIXED
Ghost images of dragged files are not rendered in FileExplorer LWR
When FileExplorer is used in Thumbnails mode get_currentPageIndex() returns always zero
Gantt
NEW
RadGantt editable options functionality
RadGantt Range and Selected Date functionality
RadGantt primary buttons added
FIXED
Misaligned RadGantt tasks and dependencies in Material skin if font-size is not 14px
Grid
FIXED
RadGrid throws js error when open header context menu and skin=Material.
EditForm position is not consistent when KeepInScreenBounds is enabled
Visual glitch with expand/collapse all button when HierarchyLoadMode is Conditional.
RadGrid resizeToFit feature does not affect the GroupFooters
CurrentFilterFunction used with AutoPostBackOnFilter to be EqualTo instead of Contains for numerical fields bound in detail tables on first expand
Unneeded horizontal scroll appears in RadGrid with static headers and no column widths set
Top column group level is not displayed correctly when FrozenColumns are enabled
Sorting style is not removed when sorting second column in RadGrid
HtmlChart
NEW
Add Bullet Chart type
Add Vertical Box Plot chart type
ImageEditor
FIXED
The mouse position in ImageEditor is not updated properly after zooming
Cannot print the uploaded image in Chrome in disabled CanvasMode
ImageUrl does not work for ImageEditorTool
Input
FIXED
PasswordStrengthChecker doesn't update on paste with the mouse
LightBox
FIXED
LightBox loses focus in IE when you click on the image area
Menu
FIXED
Unable to navigate to a URL through the first RadMenuItem in Chrome when AriaSupport is enabled
PanelBar
NEW
WAI-ARIA support for RadPanelBar
FIXED
Classic RadPanelBar expands/collapses wrong items when arrows are used for expanding
PersistenceFramework
FIXED
RadPersistenceFramework breaks RadListView ViewState when edit form is opened
PivotGrid
NEW
RadPivotGrid - Add option to ignore null values in aggregates
FIXED
Internet Explorer crashes if you open the filter window of PivotGrid, if development console is opened
Rating
FIXED
State is not cleared for hovered items of RadRating when Precision=Item
RibbonBar
NEW
SplitButton in RibbonBar - Appearance Improvements and Consistency of States (normal, focused, hover and active) for buttons in all sizes
Scheduler
NEW
RadScheduler primary buttons added
FIXED
Broken layout of Classic RadScheduler Edit/Delete confirmation dialog headers in Bootstrap, Silk, Glow, BlackMetroTouch and MetroTouch skins
Broken layout when showing the Recurrence options of Mobile RadScheduler in Office2010Silver skin
SearchBox
NEW
Unified border colors of RadSearchBox with other form controls
FIXED
Wrong RadSearchBox buttons size
SocialShare
FIXED
FIX RadSocialShare's RadLinkedInButton compatibility with https
Spreadsheet
NEW
Spreadsheet Toggle Gridlines functionality
Spreadsheet Hyperlink support
Buttons for sheets scrolling in sheets' tabstrip
ToolBar
NEW
SplitButton in RadToolBar - Appearance Improvements and Consistency of States (normal, focused, hover and active)
FIXED
Vertically not aligned split button toggle arrows of Lightweight RadToolBar in Firefox with Metro, MetroTouch and BlackMetroTouch skins
Inconsistent RadToolBar appearance in RTL mode with Bootstrap and Material skins
Unexpected centered buttons text and broken split buttons appearance in Vertical RadToolBar
RadToolBarDropDown fires twice OnClientButtonclicked event when the DropDown is collapsed in the More items dropdown and a button from the DropDown is clicked
TreeList
FIXED
Empty row is added to the exported xls file when TreeList has CommandItem or top pager.
TreeView
NEW
RadTreeView Lightweight rendering
Wizard
NEW
Improve RadWizard NavigationBar layout - make edges of breadcrumb pseudo selectors invisible
FIXED
Not elastic NavigationBar of Mobile RadWizard in Bootstrap skin
Theme Builder
FIXED
Missing top and bottom borders of DataForm Next/Prev buttons in Material skin.
PdfProcessing
NEW
Introduced Clone() method in RadFixedDocument class
FIXED
Exporting document with encryption occasionally exports corrupted PDF documents
InvalidCastException is thrown when importing destination with page number
Merging two RadFixedDocument instances clears the content of the source document
Performance issues exporting PDF documents containing text blocks
CHANGED
Telerik Document Processing: Assemblies targeting .NET Framework 4.5 (with a version number ending with .45) are not distributed anymore. Use the assemblies targeting .NET Framework 4.0. The libraries don't contain code specific for .NET Framework 4.5, thus an additional version is not needed.

SpreadProcessing
FIXED
Exporting document to XLSX with applied data validation rule over a large number of cells leads to performance issue
PDF format provider: Cell clippings overlap the right border when exporting to PDF
When a document with enabled sorting and filtering is exported and opened in MS Excel, Excel crashes if sorting is applied
Document cannot be imported if formatting record refers to a missing style definition
Getting the values of defined names referring cell range containing long cell values does not return the whole array string representation
CHANGED
Telerik Document Processing: Assemblies targeting .NET Framework 4.5 (with a version number ending with .45) are not distributed anymore. Use the assemblies targeting .NET Framework 4.0. The libraries don't contain code specific for .NET Framework 4.5, thus an additional version is not needed.

WordsProcessing
NEW
DOCX format provider: Enabling import of images declared in shape elements
FIXED
DOCX format provider: Importing document containing bookmark start/end between paragraphs causes KeyNotFoundException
ArgumentOutOfRangeException is thrown when trying to create a watermark from a text box
DOCX format provider: Image defined in 'pict' element is not imported
HTML format provider: NullReferenceException is thrown while importing paragraph preceded by a list, whose list items contain other Html tags
CHANGED
Telerik Document Processing: Assemblies targeting .NET Framework 4.5 (with a version number ending with .45) are not distributed anymore. Use the assemblies targeting .NET Framework 4.0. The libraries don't contain code specific for .NET Framework 4.5, thus an additional version is not needed.

ZipLibrary
FIXED
NotSupportedException is changed to ArgumentException("Stream must support writing and seeking.") when using ZipArchiveMode.Create with a stream which does not support seeking
CHANGED
Telerik Document Processing: Assemblies targeting .NET Framework 4.5 (with a version number ending with .45) are not distributed anymore. Use the assemblies targeting .NET Framework 4.0. The libraries don't contain code specific for .NET Framework 4.5, thus an additional version is not needed.

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