Telerik UI for ASP.NET AJAX

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Telerik UI for ASP.NET AJAX

Release History

UI for ASP.NET AJAX R3 2020 (version 2020.3.915)

September 16, 2020


  • New Card Component


  • Unable to get property appendChild of undefined or null Reference in IE


  • Chrome 84 Issues with RadButton, Type=LinkButton, Issue not resolved in 2020.2.617.40


  • Remove usage of eval() for parsing hidden field values


  • Improve Style Builder in Classic Render Mode
  • The start attribute gets stripped and the bullet numbers are reset when copied from MS word
  • Copied line-spacing contents from MS Word are not retaining the same paragraph spacing


  • Decorated dropdown popup width is wider than the select width in lightweight
  • Option with empty text is causing height of option and select to become too small


  • JavaScript error when opening Gantt resources


  • ADD KendoWidgetInitializing client-side event
  • ADD the ability to turn on/off the highlight effect when Series are hovered in RadHtmlChart
  • ADD dashType property for Area, Line and ScatterLine Series in RadHtmlChart
  • ADD crosshair functionality in RadHtmlChart
  • ADD appearance options for the Series border in RadHtmlChart
  • ADD dashType property for major and minor axes gridlines in RadHtmlChart
  • ADD ability to reverse legend items order in RadHtmlChart


  • CMap Tables support
  • The import can now handle startxref keyword and its offset defined on the same line
  • Introduced support for Identity-V CMap
  • Introduced support for UniCNS-UCS2-H encoding type of Type0Fonts
  • Data of inline image cannot be parsed when the stream contains "ei"
  • KeyNotFoundException is thrown while importing document because of the inability to find glyph "middot" data in Type1Font
  • NotSupportedColorSpaceException is thrown when importing color space defined as an external resource
  • NotSupportedException is thrown when importing document containing Annotation with not supported Action
  • NullReferenceException is thrown when importing a PDF document containing InlineImage with missing parameters
  • System.ArgumentException is thrown when setting a password to a document with form fields
  • UriFormatException is thrown when importing UriAction with invalid URI
  • InvalidCastException is thrown when importing predefined ToUnicode CMap
  • NotSupportedException is thrown when trying to convert not supported Encoding Name
  • The checkbox state is not correctly imported when the value is not specified


  • Introduced XLS Format Provider that handles import and export of XLS documents
  • Implemented text orientation for cell content
  • Exception is thrown when the sheet name contains a single letter
  • PrintArea is not taken into consideration when calculating the actual ScaleFactor
  • A specific formula returns wrong result (=A1=FALSE)


  • Screen jump on spreadsheet when focused on last cell
  • Incorrect server-side import of Excel file with frozen panes


  • RadToolBarDropDown in ToolBar does not expand when there are two form tags on the page


  • ArgumentException when importing RTF document which has a font size set to zero
  • NullReferenceException is thrown while importing DOCX containing shape without an id attribute
  • PdfFormatProvider: Font properties set from CharacterFormatting are not taken into account when inserting PAGE field
  • Table and table cell borders are not evaluated according to inheritance and conflict resolution rules
  • XmlException is thrown when importing document with docx AltChunk element

Telerik UI for ASP.NET AJAX

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