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A .NET library for reading and writing Microsoft Office binary and OOXML file formats.

Results 99 NPOI issues
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In create XSSFWorkbook on error: NPOI.POIXMLException HResult=0x80131500 Message= Source=NPOI.OOXML StackTrace: at NPOI.XSSF.UserModel.XSSFWorkbook.newPackage() at NPOI.XSSF.UserModel.XSSFWorkbook..ctor() at Gerar.Excel.Program.Main(String[] args) in C:\...\Program.cs:line 20 Inner Exception 1: TypeInitializationException: The type initializer for 'NPOI.OpenXml4Net.OPC.OPCPackage' threw...

比如折线图和饼状图这样的

读取模板word后如何向Table cell中添加Table或拆分表格

Word模板导出时如何在一个段落中再追加一个段落

How to create a custom color from, for example, RGB?

别的项目没有问题,在一个.net FreamWork和.net Core一起用的项目除了问题。不是SharpZipLib引用的问题

如题,在1.1版本下是可以导出下拉框,2.0以上版本怎么试都不能。

https://github.com/dotnetcore/NPOI/blob/947220dedb1fc506e764568159a95498295250cf/src/NPOI/SS/Util/SheetUtil.cs#L160

Hi Team, We have been working with npoi object for word manipulations. Now we are facing a critical issue on header and footers. XWPFDocument always returning the current header and...

bodyCell = rowBody.CreateCell(i, CellType.Numeric); DateTime.TryParse(value, out DateTime dateV); var dateStyle = hssfWorkbook.CreateCellStyle(); IDataFormat format = hssfWorkbook.CreateDataFormat(); dateStyle.DataFormat = format.GetFormat("yyyy/m/dd HH:mm"); bodyCell.CellStyle = dateStyle; bodyCell.SetCellValue(dateV); ![image](https://user-images.githubusercontent.com/23074134/61786238-d3237600-ae3f-11e9-8565-8fca724903b1.png)