Telerik UI for ASP.NET AJAX R2 2019

Includes enhancements & new themes for RadMultiColumnComboBox, plus new Confirm Dialog in RadButton.
May 16, 2019 - 12:08
New Version


  • Common
    • Improve performance for resolving the default Classic RenderMode under heavy load.
    • Backport minor jQuery vulnerability fix: Object.prototype pollution.
    • The NuGet installer now installs the Telerik.Web.Design.dll.
    • The Telerik NuGet server provides nugets for the Latest Internal Builds.
  • Button
    • Confirm dialog in RadButton.
  • Calendar
    • RadMonthYearPicker was added to the SkinManager's ControlTypeToApplyskin collection.
  • Grid
    • New GenerateXlsxOutput method to generate the ExportOutput for Excel XLSX exporting.
  • MultiColumnComboBox
    • New MuliColumnComboBox skins.
    • Design-time support.
    • Add SelectedIndexChanged and ItemDataBound server-side events.
    • Add Schema configuration for improved web service binding.
    • Improved compatibility with field validators.
    • Improved control over additional items data sent from the server.
    • Ability to trigger postback when AutoPostBack=true.
    • Support for Server-side Items creation.
    • Add various Find methods for Items collection.
  • SpreadProcessing
    • Provided API for enforcing the use of only FIPS 140-2 complaint hashing algorithms.
    • Added support for Line series charts with Markers - they can be created with charts dialog, in code, or from xlsx file import.
    • Added support for Scatter and Bubble charts - they can be created with Charts Dialog, in code, or via import from xlsx file.


  • AsyncUpload
    • When the ChunkSize is set the excel files are partially uploaded.
    • Last Modified Date is wrong for files uploaded in Firefox 61+.
  • Button
    • Text is not aligned against the icon for radio buttons and checkboxes.
  • Diagram
    • html5window.js should require html5popup.js to be loaded - Uncaught TypeError: Cannot read property 'TabKeyTrap' of undefined.
  • Editor
    • No resizing handles for image and table elements with Firefox 63+.
    • M.enableContextMenus in not a function error on mobile with enableEditing(false).
    • onParentNodeChanged() causes a Cannot read property defaultView of undefined error in Chrome 73.
    • Under IE when you right click on a hyperlink and select Properties instead of Link Properties you get Image Properties dialog.
    • z.push is not a function error is thrown when pasting malformed Word lists.
    • In Chrome the getSelectedElement() function returns a [body] tag when an [input type='number'] is selected.
    • Editor does not convert rgb to hex in MS Edge when converting from to.
    • Extra Lines on Enter key press in Firefox when RadEditor is placed in a not initially selected RadWizard step.
    • The editor commands do not work when the editor is initially hidden in IE11.
    • The image manager is incorrectly resized in Chrome, FF, IE11.
    • Ribbon bar drop down menus cut off when toolbar mode set to anything other than RibbonBar.
    • Fix InsertImage, InsertLink, InsertTableLight layout improvements.
    • Code snippets coming after remove table style from insert table popup.
  • Grid
    • Fix RadGrid delete confirmation does not work on new version of Chrome 73+.
    • RadGrid Keyboard navigation does not work in Firefox 65.0.1.
  • Input
    • Page hangs sometimes when continuously entering input fast in MaskedTextBox in Edge 41.
    • Change value by mousewheel does not work in Edge.
  • MultiColumnComboBox
    • A JS error is thrown when EnableScritptsCombine is set to false.
  • PdfProcessing
    • ArgumentException is thrown when importing FormFields several times.
    • InvalidOperationException is thrown when importing document with missing EOF marker.
  • SpreadProcessing
    • ArgumentException is thrown when importing documents containing empty values.
    • Round function returns different values than excel.
    • Changing the format of cells which hold the values for the value axis does not redraw the chart.
    • NullReferenceException is thrown when pasting in a protected sheet.
    • Print/PrintPreview displays charts in an incorrect arrange location.
    • VerificationException (operation could destabilize the runtime) is thrown in VS 2019.
  • Wizard
    • RadWizard Button triangle edge is slightly moved to the right.
  • WordsProcessing
    • UriFormatException is thrown when importing HTML content containing embedded images with leading white spaces.
New confirm dialog in RadButton.

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