What's new


Release History

UI for ASP.NET AJAX R2 2021 (version 2021.2.511)

May 11, 2021


  • New Switch Component


  • Planned vs Actual feature to cover baseline dates scenario
  • KendoWidgetInitializing and Load client events
  • RequestEnd and RequestFailed client events
  • TaskSaving, TaskEditing, TaskUpdateCancel, Inserting and Removing client events
  • TaskSelectionChanged and TogglePlannedTasks client events
  • get_kendoWidget() method to access underlying widget
  • Custom toolbar items and toolbar client template options
  • Column and Column header client templates
  • Header view client templates
  • Task tooltip template
  • Postback not triggered when editing from TreeList part


  • Implemented API for flattening form fields.
  • Introduced support for Lab color space.
  • Implemented GetColor method for Indexed color space.
  • CharCodes to glyph indices are incorrectly mapped when exporting TextBoxField with TrueType font and defined encoding.
  • An ArgumentException is thrown when merging or splitting files with the PdfStreamWriter.
  • CharCodes to glyph indices are incorrectly mapped when exporting TextBoxField with Simple font and a Differences array defined in the Encoding.


  • Introduced conversion from DataTable to RadWorkbook/RadWorksheet and vice versa.
  • An invalid file is generated when the freezing panes are set, and the file is opened in Excel.
  • An InvalidOperationException is thrown when attaching to CellPropertyChanged event and trying to modify the cell.


  • Added space="preserve" attribute to string cell values to preserve their exact spacing when visualizing.
  • Introduced API for measuring the text on different platforms.
  • ArgumentException is thrown when calling SpreadExporter.CreateWorkbookExporter method and referencing Trial assemblies.


  • Implemented a mechanism to automatically load external CSS resources when the URI is valid.
  • Implemented Find functionality allowing you to perform a text-based search.
  • Implemented support for importing DOC format.
  • Implemented support for importing DOT format.
  • Introduced support for importing documents with shading colors defined as strings.
  • NullReferenceException is thrown when importing a DOCX document containing a DataBinding element inside a structured document tag.
  • The Hyperlink field is exported wrong.
  • The Nonbreaking space is exported as a Unicode character instead of the appropriate Control word.
  • RtfFormatProvider: Indexing is wrong when exporting the list override index (\ls).
  • When replacing a word being part of the field code fragment definition, the field becomes invalid.
  • RadFlowDocumentEditor.ReplaceText(string, string) method is removed. Use the RadFlowDocumentEditor.ReplaceText(string, string, bool, bool) method with default bool values instead.

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