NPOI 1.2.5

The ID prefix of this package has been reserved for one of the owners of this package by NuGet.org.

This package has been deprecated as it is legacy and is no longer maintained.

There is a newer version of this package available.
See the version list below for details.

dotnet add package NPOI --version 1.2.5

NuGet\Install-Package NPOI -Version 1.2.5

This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.

<PackageReference Include="NPOI" Version="1.2.5" />

For projects that support PackageReference, copy this XML node into the project file to reference the package.

paket add NPOI --version 1.2.5

The NuGet Team does not provide support for this client. Please contact its maintainers for support.

#r "nuget: NPOI, 1.2.5"

#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.

// Install NPOI as a Cake Addin
#addin nuget:?package=NPOI&version=1.2.5

// Install NPOI as a Cake Tool
#tool nuget:?package=NPOI&version=1.2.5

The NuGet Team does not provide support for this client. Please contact its maintainers for support.

This project is the .NET version of POI Java project at http://poi.apache.org/. POI is an open source project which can help you read/write xls, doc, ppt files. It has a wide application.

Product	Compatible and additional computed target framework versions.
.NET Framework	net20 is compatible. net35 was computed. net40 is compatible. net403 was computed. net45 was computed. net451 was computed. net452 was computed. net46 was computed. net461 was computed. net462 was computed. net463 was computed. net47 was computed. net471 was computed. net472 was computed. net48 was computed. net481 was computed.

Compatible target framework(s)

Included target framework(s) (in package)

Learn more about Target Frameworks and .NET Standard.

This package has no dependencies.

NuGet packages (891)

Showing the top 5 NuGet packages that depend on NPOI:

Package	Downloads
Npoi.Mapper Convention-based mapper between strong typed object and Excel data via NPOI.	2.5M
ExcelMapper An Excel to object mapper. Maps POCOs to and from Excel. Configuration via convention, attributes, or fluent methods.	1.8M
HIC.RDMP.Plugin Core package for plugin development	426.7K
BaseLibrary.ClassLibraryStand Package Description	350.9K
Mooho.Base 摩赫基础框架	300.2K

GitHub repositories (56)

Showing the top 5 popular GitHub repositories that depend on NPOI:

Repository	Stars
laochiangx/Common.Utility Various helper class	5.0K
Uahh/ToastFish 一个利用摸鱼时间背单词的软件。	4.9K
Planshit/Tai 👻 在Windows上统计软件使用时长和网站浏览时长	3.4K
ferventdesert/Hawk visualized crawler & ETL IDE written with C#/WPF	3.1K
liukuo362573/YiShaAdmin 基于 .NET Core MVC 的权限管理系统，代码易读易懂、界面简洁美观	2.3K

Version	Downloads	Last updated
2.7.0	74,872	3/25/2024
2.6.2	1,750,454	9/11/2023
2.6.1	691,768	7/11/2023
2.6.0	3,676,675	11/17/2022
2.5.6	7,071,174	4/26/2022
2.5.5	4,564,135	10/25/2021
2.5.4	1,817,454	7/29/2021
2.5.3	2,082,163	4/18/2021
2.5.2	2,447,021	12/5/2020
2.5.1	5,361,378	4/4/2020
2.4.1	7,801,204	12/18/2018
2.3.0	3,532,467	3/20/2017
2.2.1	1,827,412	5/31/2016
2.1.3.1	1,270,051	2/22/2015
2.1.3	129,560	12/31/2014
2.0.6	414,811	4/12/2014
1.2.5	373,249	7/29/2012
1.2.4	70,988	11/15/2011
1.2.3	50,360	1/12/2011

POI Bug Fixes
51535 - correct signed vs unsigned short reading in NDocumentInputStream(poi-developers)
50209 - Fixed evaluation of Subtotals to ignore nested subtotals(poi-developers)
50401 - fixed EscherProperty to return property name instead of 'unknown' for complex properties (poi-developers)
51481 - Fixed autofilters in HSSF to avoid warnings in Excel 2007(poi-developers)
51533 - Avoid exception when changing name of a sheet containing shared formulas(poi-developers)
46250 - Fixed cloning worksheets with images(poi-developers)
51514 - allow HSSFObjectData to work with both POIFS and NPOIFS(poi-developers)
51514 - avoid NPE when copying nodes from one HSSF workbook to a new one, when opened from NPOIFS(poi-developers)
51504 - avoid NPE when DefaultRowHeight or DefaultColumnWidth records are missing(poi-developers)
48294 - Fixed HSSFWorkbook.setSheetOrder() to respect inter-sheet references (poi-developers)
51448 - Avoid exception when evaluating workbooks with more than 256 sheets (poi-developers)
51458 - Correct BitField wrapping when setting large values(poi-developers)
51415 - Fixed Workbook.createSheet(sheetName) to truncate names longer than 31 characters(poi-developers)
51332 - Fixed internal IDs of shapes generated by HSSFPatriarch when there are more than 1023 drawing objects (poi-developers)
50681 - Avoid exceptions in HSSFDataFormat.getDataFormatString() (poi-developers)
50681 - Fixed autosizing columns beyond 255 character limit (poi-developers)
51339 - Fixed arithmetic rounding in formula evaluation (poi-developers)
51098 - Correctly calculate image width/height, if image fits into one cell(poi-developers)
51153 - Correct sizing of LbsDataSubRecord with unused padding fields(poi-developers)
51143 - NameCommentRecord correction for writing non ASCII strings(poi-developers)
51100 - Fix IOUtils issue for NPOIFS reading from an InputStream where every block is full(poi-developers)
50841 - Improved SpreadSheet DataFormatter to handle scientific notation, invalid dates and format spacers(poi-developers)
50939 - ChartEndObjectRecord is supposed to have 6 bytes at the end, but handle it not(poi-developers)
50912 - fixed setting named styles to HSSFCells(poi-developers)
50779 - fixed RecordFormatException when reading unicode strings with photenic data(poi-developers)
50718 - More helpful error message when you try to create a CellReference with #REF!(poi-developers)
50786 - Speed up calls to HSSFColor.getIndexHash() by returning a cached, unmodifiable Map. HSSFColor.getModifiableIndexHash() provides access to the old (slow but modifiable) functionality(poi-developers)
32903 - Correct XBAT chaining explanation in /poifs/fileformat.html(poi-developers)
46664 - When creating HSSF Print Areas, ensure the named range is reference based not value based(poi-developers)
50756 - When formatting numbers based on their Cell Style, treat GENERAL the same as the more typical General(poi-developers)
fixed HSSFWorkbook.createCellStyle to throw exception if the maximum number of cell styles was exceeded(poi-developers)
49928 - allow overridden built-in formats in HSSFCellStyle(poi-developers)
50587 - Improved documentation on user-defined functions(poi-developers)
50416 - Correct shifting of the first or last row in a sheet by multiple rows(POI-DEVELOPERS)
50246 - Properly position GutsRecord when reading HSSF workbooks(POI-DEVELOPERS)
50437 - Support passing ranges to NPV()(POI-DEVELOPERS)
47405 - Improved performance of RowRecordsAggregate.getStartRowNumberForBlock / getEndRowNumberForBlock(poi-developers)
50113 - Remove cell from Calculation Chain after setting cell type to blank (poi-developers)
50096 - Fixed evaluation of cell references with column index greater than 255 (poi-developers)
49761 - Tolerate Double.NaN when reading .xls files(poi-developers)
50211 - Use cached formula result when auto-sizing formula cells(poi-developers)
50118 - OLE2 does allow a directory with an empty name, so support this in POIFS(poi-developers)

NPOI Bug fixes
a. CloneSheet with images throws exception
b. Comments are still visible even set Visible property to false
c. AutoSizeColumn doesn't work as expected
d. Reading sheet protected workbook throws exception

New Features
a. Added NPOIFS constructors to most POIDocument classes and their extractors, and more widely deprecated the Document(DirectoryNode, POIFSFileSystem) constructor in favour of the more general Document(DirectoryNode) one
b. Added implementation for CLEAN(), CHAR(), ADDRESS(),MROUND(), VAR(), VARP(), IRR()
c. Added Support for HOUR, MINUTE and SECOND date formulas
d. Support for continued NameRecords, continued ExtSSTRecords
e. Support using RecalcIdRecord to trigger a full formula recalculation on load (poi-developers)
f. ExternalNameRecord support for DDE Link entries without an operation(poi-developers)
g. POIFS Browser: add ability to parse EscherContainer and sub nodes