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2026 v1

FlexViewer

Improvements

  • Added stabilized zoom functionality for mobile platforms.

  • Added stabilized zoom functionality for desktop platforms.

  • Added stabilized rotation functionality across all supported platforms.

  • Added a runtime licensing implementation example for SA3.

Bug Fixes

  • Fixed an issue where the application stopped responding when the PopupCard icon was clicked in FlexViewerExplorer on Android using Visual Studio 2026.

  • Fixed an issue where a “FlexViewer isn't responding” error appeared and the application terminated when the Thumbnails icon was clicked on Android.

  • Fixed an issue where the page ZoomMode changed in the viewer pane when report data was rotated.

  • Fixed an issue where a “Could not load file of type [ChartField]” error occurred instead of rendering charts for specific FlexReports.

  • Fixed an issue where report data did not display in FlexViewer when loading a FlexReport containing parameter values.

  • Fixed an issue where a System.Exception occurred when loading report data with parameters on mobile platforms.

  • Fixed an issue where a System.Exception occurred when loading report data containing charts on mobile platforms.

  • Fixed an issue where chart data did not render when loading report data containing charts on mobile platforms.

  • Fixed an issue where a page border appeared when the zoom mode was set to WholePage.

  • Fixed an issue where the page border was truncated and no horizontal scrollbar appeared when the zoom mode was set to PageWidth.

  • Fixed an issue where the included gclicx file was invalid and a trial dialog appeared in the sample when the built-in trial license was in gclm.

  • Fixed an issue where the display area rendered incorrectly when the Rotation property was set.

  • Fixed a security issue by updating System.Private.Uri.

  • Fixed an issue where a Microsoft.Data.Sqlite.SqliteException was thrown when loading specific reports.

  • Fixed an issue where a “Subreport [Categories TOC] cannot be rendered” error occurred when loading report navigation.

  • Fixed an issue where a System.IO.FileNotFoundException was thrown when loading specific reports.

  • Fixed an issue where zoom and page-holder rendering behaved incorrectly.

Grid

Breaking Changes

  • Updated the CanDragRow and CanDragColumn method signatures in GridCellFactory to accept four parameters.

Improvements

  • Added support for clearing cell values when deselecting a ComboBox editor in a nullable DataMap column.

  • Added the Offset property to GridDateTimeOffset.

  • Added improved column auto-generation to create GridDateTimeColumn objects for date and time data types.

Bug Fixes

  • Fixed an issue where opening column option menus in TransposedGrid threw a System.ArgumentOutOfRangeException when all rows were frozen and AutomationEnabled=True.

  • Fixed an issue where assigning the CellFactory property failed when the factory was already linked.

  • Fixed an issue where adding multiple columns through XAML caused a System.ArgumentOutOfRangeException.

  • Fixed an issue where drag-and-drop row reordering failed when TransposedGridBehavior was applied.

  • Fixed an issue where incorrect adapter dimensions caused row ActualHeight values to report incorrect sizes.

  • Fixed an issue where selecting Sort By from the sort drop-down triggered a System.ArgumentOutOfRangeException.

  • Fixed an issue where resizing or scrolling in a secondary XAML window threw a System.ArgumentOutOfRangeException when AutomationEnabled=True and TransposedGridBehavior was applied.

  • Fixed an issue where DataMap drop-down items in GridColumn did not populate when edit mode was entered by double-clicking a cell.

  • Fixed an issue where selecting Apply or Clear in GridFilterRow options caused a NullReferenceException.

  • Fixed an issue where accessing CellFactory and PropertyInfo on unattached columns caused a NullReferenceException.

  • Fixed an issue where mouse wheel scrolling caused a System.ArgumentOutOfRangeException.

  • Fixed an issue where setting Aggregate and Format on DateTime columns with GridSummaryRow caused exceptions.

  • Fixed an issue where grouping and aggregation failed with FlexGridDetailProvider. Group collapse and aggregate calculations were applied only to the first row in each group.

  • Fixed an issue where checkbox editing could not be canceled when the Cancel property was set to true in the BeginningEdit or BeginningRowEdit events.

Grid.Excel

Bug Fixes

  • Fixed an issue where export failed because of a DS.Documents.Excel dependency version mismatch. Updated the referenced version to 7.2.5.

GridControl

Bug Fixes

  • Fixed an issue where layout values exceeded valid bounds by enforcing value clamping.

Input

Breaking Changes

  • Removed the HeaderClickInterceptor and ComboHeader template parts. Replaced them with Header and TextBox.

  • Renamed C1ComboBoxSelectionMode to ComboBoxSelectionMode.

  • Renamed C1ComboBoxItem and C1ComboBoxGroupItem to ComboBoxItem and ComboBoxGroupItem.

  • Removed C1ComboBox.IsOpenKey().

Improvements

  • Added the C1AutoCompleteTextBox.Complete() method.

Bug Fixes

  • Fixed an issue where text matching failed in C1ComboBox when Condition=Contains and IsEditable=False.