Spire.XLS 16.7.2 adds a property to avoid exceptions triggered by long header/footer text

2026-07-22 07:08:30

We’re pleased to announce the release of Spire.XLS 16.7.2. This version introduces the new ValidateHeaderFooterLength property to prevent exceptions triggered by overly long header or footer text during Excel-to-PDF conversion. Additionally, several known bugs have been fixed. Further details are outlined below.

Here is a list of changes made in this release

Category ID Description
New Feature SPIREXLS-6161 Added the new ValidateHeaderFooterLength property to prevent the exception triggered by long header or footer text when converting Excel to PDF.
workbook.ConverterSetting.ValidateHeaderFooterLength = false;
Bug Fix - Fixed the issue where applying multiple licenses failed to take effect.
Bug Fix SPIREXLS-6152 Fixed the issue where setting the NumberFormat of a cell failed to take effect.
Bug Fix SPIREXLS-6157 Fixed the issue where images were misaligned when converting Excel to PDF.
Bug Fix SPIREXLS-6158 Fixed the issue where the CalculateAllValue() method returned incorrect formula results.
Bug Fix SPIREXLS-6170 Fixed the issue where page breaks were incorrect when converting Excel to PDF.
Click the link below to download Spire.XLS 16.7.2:
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