Telerik Reporting

Release History

Telerik Reporting R2 2017 SP1 (version

June 13, 2017

WPF Report Viewer new Material theme

  • Introducing a new touch-friendly, smooth and animated theme following the Material design guidelines.

HTML5 Report Viewer support for native promises

  • The HTML5 Report Viewer now depends on the browser's native support for promises. When the browser does not support promises the viewer will automatically load a promise polyfill.

Desktop Viewers


To enable dialogless printing and per report printer settings, we have exposed PrinterSettings and PrintController to the WPF and Windows Forms viewers PrintBegin event.


  • Telerik.Reporting.Services.AspNetCore has a wrong dependency on Telerik.Reporting.Trial (>=

Crystal Reports Converter

  • Crystal Reports converter cannot be used through the API


  • Error is thrown when modifying Anchoring and Docking properties of multiple selected items
  • HtmlTextBox inline editor lacks context menu
  • Items overlap when the same docking is set

Standalone Report Designer

  • HtmlTextBox designer throws exception if mshtml.dll is missing
  • Parameters area is not refreshed when multivalue parameter's data source goes to invalid state
  • QueryBuilder parameter value prompt is incorrect
  • The Data Provider value in Data Connections dialog is reset when edited.
  • The main window doesn't come to foreground when the splash screen is closed
  • The message, displayed by the Configure SQL Data Source wizard when the connection fails, does not contain detailed exception information
  • Unhanded exception occurs when editing link in HtmlTextBox

Visual Studio Designer

  • System.NullReferenceException when a VS item templates for adding Report Viewers is used with an existing TRDP|TRDX file
  • Table Copy Paste is not consistent with the Standalone Report Designer
  • Update item templates JSON.NET package with version suitable for both WebAPI and WebAPI2
  • VS item templates for adding the HTML5 Viewer add redundant ReportsController.cs when 'Use existing REST service' option is used in the wizard

Object Data Source

  • Calculated field is not available at runtime when the data source is set as ReportItem.DataObject

Csv Data Source

  • Only absolute local paths to a CSV file are supported


  • Graph's legend item do not respect the Style and MarkStyle BackgroundImage property
  • Graph's Title and GraphLegend's Title do not respect their style's BackgroundImage property
  • Items in different scopes having the same target of their ToggleVisibilityAction are not synchronized correctly
  • PDF417 barcode is rendered incorrectly when the value contains a punctuation character
  • QR Barcode does not respect tilde character (~)
  • Report document is not resolved correctly from URI with parameters


  • Filter's IN operator works only with collections returned from Array() function or user function
  • Format function does not work when used in report parameter properties


  • Report Footer displayed at the top of the page when PrintAtBottom is set to true
  • "Index was outside the bounds of the array" error is shown in PrintPreview mode
  • PageBreak is ignored if report section has zero height

HTML Rendering

  • Graph title with underlined text is not displayed correctly in HTML5 Viewer
  • Tooltips are not displayed correctly in ASP.NET web viewer

PDF Rendering

  • Borders have inconsistent width when BorderColor is set using Color.FromArgb method

Excel Rendering

  • Report Units are converted incorrectly in Excel units resulting in wider Excel columns

PowerPoint Rendering

  • Borders are drawn outside the page area


  • The service fails to deliver the Document Map details to desktop viewers

WCF Service

  • Silverlight Viewer throws error with custom state implementation

Report Viewer

  • Cascading parameters are not updated correctly when their value uses the built-in aggregate function First()

HTML5 Report Viewer

  • Error 'Document with ID 'XXX' not found.' when you navigate back to a report with parameter having Datetime.Now value
  • Graph tooltips are not displayed when hovering over datapoint label inside a datapoint
  • Inconsistent behavior when report is displayed in Print preview with different versions of jQuery

Web Forms HTML5 Report Viewer

  • "The state information is invalid for this page and might be corrupted." error after few consecutive updates of the viewer in postbacks
  • The Kendo UI subset is loaded even if kendo.all.min.js is already loaded

Angular Report Viewer

  • Authentication token cannot be set outside of viewer's initialization
  • Authentication Token could not be set against REST service
  • Token is not set on page refresh
  • Toolbar buttons are not visible when using Kendo Sass-Based Bootstrap theme

Windows Forms Report Viewer

  • The rectangle drawn around a report item with associated action is incorrectly offset in PrintPreview mode

WPF Report Viewer

  • Error "Parameter is not valid" occurs when ReportBook contains HtmlTextBox item with justified text
  • Graph tooltips are not displayed when hovering over datapoint label inside a datapoint
  • RenderingBegin event is not fired
  • The print progress dialog contains the DocumentName expression
  • The scrollbars are still active with zoom mode Whole Page and Page Width

Product Dependencies

Telerik Reporting
- Microsoft .NET Framework 4

- Microsoft.AnalysisServices.AdomdClient ( or later)

HTML5 Report Viewer
- Telerik Kendo UI (2015.3.930 or later) - jQuery (1.9.1 or later)

ASP.NET WebAPI REST Report Service
- Microsoft ASP.NET Web API (4.0.20710.0 or later) - Newtonsoft.Json ( or later)

ServiceStack REST Report Service
- ServiceStack (

ASP.NET MVC Extension of the HTML5 Report Viewer
- Microsoft ASP.NET MVC Framework (4.0.20710.0 or later)

WPF Report Viewer
- Telerik UI Controls for WPF (2017.2.614.40)

Silverlight Report Viewer
- Telerik UI Controls for Silverlight (2017.2.614.1050)

Database cache ICache implementation
- Telerik Data Access ORM (2015.1.220.1)

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