closedxml
https://github.com/closedxml/closedxml
C#
ClosedXML makes it easier for developers to create Excel 2007+ (.xlsx, .xlsm, etc) files. It provides a nice object oriented way to manipulate the files (similar to VBA) without dealing with the hassles of XML Documents. It can be used by any .NET languag
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- Issues
- IndexOutOfRangeException when opening the excel workbook
- Named Range: the cell's DataValidation got changed from "List" to "AnyValue" after calling InsertTable
- IXLRows delete method's runtime is quadratic
- "internal Object ToObject()" method from XLCellValue to be made public
- Graphic Engine wiki page is outdated
- InvalidCastException when evaluating an expression inside of a LOG function
- DateOnly support
- ArgumentOutOfRangeException when Data Validation Source >= 254 chars
- Method not found: 'Void ClosedXML.Excel.IXLCell.set_Value
- Filters applied to pivot get lost when opening and saving xlsx file with ClosedXML
- Docs
- C# not yet supported