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 R2 2016 SP1 (version 2016.2.607)

AsyncUpload
FIXED

    Inconsistent Lightweight RTL RadAsyncUpload paddings
    RadAsyncUpload's dropzone does not appear after its OnClientFilesSelected event has been cancelled

AutoCompleteBox
NEW

    Unified border colors of AutoCompleteBox with other form controls
    Added AutocompleteBox classes for hovered, focused and selected states

Calendar
FIXED

    The buttons in RadDatePicker with MetroTouch && BlackMetroTouch skin are not align properly and their width is static.

ClientDataSource
NEW

    Improve RadClientDataSource to handle RadGrid's AllowNaturalSort=false (SortOrder=none), when ClientDataSource is bound to IDataSource control.
    Add countRequested event for RadClientDatasource, which will be fired after the count has been requested from the service

ComboBox
FIXED

    Wrong Lightweight RadComboBox cursor type on toggle arrow hovering in IE

DeviceDetectionFramework
FIXED

    Device detection framework throws an exception when user agent string is null in some cases

Dock
FIXED

    Fix the order of RadDocks that are placed in RadMultiPage, updated with RadAjaxManager
    RadDock height is set when RadDock is collapsed and expanded

DropDownTree
FIXED

    Unexpected rddtClearButtonHovered class applied to hovered ClearAll button of a disabled Lightweight DropDownTree

Editor
FIXED

    Editor Dialogs lose focus instead of closing in IE when it is configured to use Classic Dialogs
    Spell check header popup moves editor content outside container
    Partial table could not be pasted in Chrome
    JS error is thrown when RadEditor with Material skin is disposed under IE
    Using ToolsFile property from the markup disregards LIghtweight rendering configured from the web.config
    Wrong set of items is loaded in the context menu of RadEditor when its render mode is changed
    JS error is thrown when RadEditor EditType=Inline with Material skin
    Cannot apply border styles to table cells through Table Wizard
    RadEditor HTML mode gets styles from RadFormDecorator when decorating textarea elements
    RadEditor does not set EnableEmbeddedSkins to child controls
    Pasted image from MS Word in IE11 has been selected
    Div element is not changed to heading via the FormatBlock command in FF
    Pressing tab key in Chrome and Firefox does not do anything when selection is not in a table
    When lists in MS Word are modified with the use of the Indent markers, the ConvertWordLists stripping options is not working as expected(FF, IE9, Chrome)
    The ConvertXhtml filter encodes spaces placed in the anchor's href as '%20'
    Value of input text elements couldn't be set through properties inspector
    TrackChanges does not track typing of !, #, $, %, & characters
    JS error is thrown when RejectAllChanges is executed

FormDecorator
FIXED

    Title of decorated checkboxes by RadFormDecorator is lost in FireFox and IE
    FIX the appearance of decorated button with RadFormDecorator when it is disabled on the client under IE10

Gantt
FIXED

    RadGantt's TreeList height changes when editing row
    Wrong RadGantt's TreeList toggle arrows in Material skin
    RadGantt's server events for Assignments - Update, Insert and Delete are not triggered in SqlDataSource binding scenario

Grid
NEW

    IMPROVE: The colgroup properties need to be copied into the table that holds dragged row properties.
    Improve: HeaderContext menu of RadGrid to be customizable server/client side

FIXED

    The GetEntitySqlFilterExpression method does not return a correct result when the grid is bound to a collection of objects.
    When a grid bound to RadClientDataSource has enabled batch editing the edited data is saved for the wrong record
    ToolTip of Expand/Collapse All Groups button does not change when the button is clicked and GroupLoadMode=Client.
    The font-icons are distorted when printing in mobile.
    Print functionality should be enabled automatically when show Print button in Mobile rendering.
    Expand\Collapse all groups buttons does not work correctly with Mobile rendering.
    In lightweight RadGrid the header context menu groups separators have broken styles
    The rgSorted class is not applied to the td elements in RadGrid with client-side binding.
    Setting HeaderStyle-Width to a decimal value causes problems for cultures with comma as decimal separator
    When RadGrid is in Batch editing mode and a GridTemplateColumn has both EditItemTemplate and InsertItemTemplate the editor is not closed and its value is lost
    Cells on the last row in RadGrid cannot be selected using DragToSelect cells, if cursor runs out of the grid during the selection
    ExcelML is not working when an apostrophe is used in the group header cell text
    Excel-like filter menu does not render in lightweight render mode when setting RenederMode property to RadGrid.
    Stack overflow exception thrown by RadGrid in hierarchy when EnableHeaderContextMenu is enabled
    Drag and drop icon of the header item in Mobile Grid does not change correctly when grouping

HtmlChart
FIXED

    The default chart labels ClientTemplate should not be serialized

ListBox
FIXED

    Wrong horizontal margin of the last RadListBox button
    RadListBoxItem checkbox cannot be checked when RadListBox is in RadWindow and it is scrolled down (IE11)
    Unexpected ripple effect on client-side disabled RadListBoxItems

Menu
FIXED

    Clicking on a RadMenu item does not initiate a postback (MacOSX/Safari)
    When having a Content Template, the focus state persists on the last clicked item
    Inconsistent appearance of RadMenu root scroll buttons in Material skin

OrgChart
FIXED

    Nodes' text gets selected on collapsing/expanding Lightweight RadOrgChart level in Chrome

PanelBar
NEW

    Improved appearance and states consistency (normal, hover and active) of RadPanelBar root items and toggle handlers

FIXED

    Unable to go to the next item with down/right arrow from an ItemTemplate, if space is pressed on the item
    PanelBar item is not expanded on first click and jumps to the top of the scroll when it is inside of a scrollable container
    PanelBarItems are not scrolled into view when they are inside a scrollable container
    Unexpected rpFocused class applied to Lightweight RadPanelBarItem when toggled through its toggle arrow
    Inconsistent Lightweight RadPanelBarItem hovered state
    Unable to add white space in RadPanelBar input nested inside ItemTemplate

PersistenceFramework
FIXED

    Persistence framework throws an exception in a scenario with user controls when the manager is placed at the top

PivotGrid
NEW

    PivotGrid filter window is with wrong position in Field List

FIXED

    Incomplete text in the column header of RadPivotGrid when exporting to Excel
    SetFilterIncludes method set the values only in Filter Window of RadPivotGrid and does not update the control when Caching is Enabled

ProgressArea
FIXED

    Incorrect Lightweight RadProgressArea Cancel button position in RTL

RibbonBar
FIXED

    RadRibbonBar   character entity displayed as tooltip for RibbonBarMenuItem with no Text or ToolTip set
    Lightweight RibbonBarMenuItem ToolTip not showing if the item's ToolTip property is set
    Lightweight RibbonBar ApplicationMenuItem arrows are not highlighted on hover in Office2010Blue skin

Scheduler
FIXED

    Classic RadScheduler wrapped in asp:Update panel or RadAjaxPanel is jumping on the page after the advanced form is used in IE and Chrome
    Material skin: Missing lines between the Prev/Next/Today buttons
    Not visible RadScheduler appointment resize handles in Silk, MetroTouch, Metro, Bootstrap, Office2007, Office2010Blue, Office2010Silver, Telerik, Windows7 skins
    Displaced Recurrence/RecurrenceException icon
    Broken RadScheduler recurring icons in web service binding
    Inconsistent Lightweight RadScheduler appointment arrows in web service binding
    Missing rsHovered class on hovering Lightweight RadScheduler inline form buttons
    ReadOnly RadScheduler in MonthView - a right clicked timeslot gets selected timeslot color, if another timeslot is left clicked after that
    EnableEmbeddedSkins=false does not disable Reminder dialog child controls styles

SearchBox
NEW

    Add and improve SearchBox classes for hovered and focused states instead of using pseudo selectors

FIXED

    Disabled RadSearchBox SearchContext does not look disabled
    Unexpected pointer cursor on hovering disabled RadSearchBox SearchContext in Material skin

Slider
NEW

    Add KeyboardNavigationSettings to RadSlider

Spreadsheet
FIXED

    Inconsistent RadSpreadsheet Filter by value custom searchbox appearance in Material skin
    Inconsistent RadSpreadsheet filter menu rssButtons div appearance in Material skin
    Moving RadSpreadsheet toolbar dropdown items with Material skin, when clicked
    Spreadsheet with Bootstrap framework - wrong buttons width
    Missing rssHovered class on hovering Filter menu buttons in RadSpreadsheet
    Localization is not applied to the MessageDialogUseKeyboardTitle and the Data Validation Dialog title

TabStrip
FIXED

    An image set on a RadTabStrip tab on the client cannot be removed by calling the tab's set_imageUrl() method

ToolBar
FIXED

    Inconsistent padding between the first and second button of RTL Lightweight RadToolBar
    Missing rtbDisabled class of RadToolBarSplitButton in a disabled RadToolBar
    Expanding the RadToolBar responsive dropdown with pressing Space key scrolls the page

TreeView
FIXED

    RadTreeNode's ExpandedImageUrl gets replaced by ImageUrl on hover when Expanded=true

Window
NEW

    Close the predefined RadAlert, RadConfirm and RadPrompt popups with the Escape key

FIXED

    The getWindowBounds() method does not return proper values for a maximized RadWindow
    get_left() and get_top() return the current location of RadWindow with RenderMode=Ligthweight instead of the Left and Top server properties
    Enter key in LWR RadPrompt dialog of WindowManager does not close the dialog

Wizard
FIXED

    No rwzFocused class for RadWizard buttons when focused

[/b]

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