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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.For example,...
View ArticleNew Post: Get Physical Column Number
Hi I'd like to know, if there is a way to get Physical Number Of Columns from Excel Thanks
View ArticleNew Post: Excel Data Writer Wrapper in Excel using NPOI
Made a .dll Wrapper where you can quickly make a template in excel, run your SQL or input your data set, and get an output of your data in an excel format. The only work you would do is in Excel. Also...
View ArticleNew Post: Stress test of XSSF proves exponential time (performance concerns)
I still have bad timings using the new OOXML. I did however replace all the SortedDictionary<> in the GetLastKey calls with Dictionary<> and my times improved to this. This probably...
View ArticleCommented Unassigned: Is this project still alive? [12006]
It seems that the development of this library has ceased, after the v2 beta 1 nothing happened.So there isn't any road map and planed releases?Comments: ** Comment from web user: tonyqus ** there maybe...
View ArticleClosed Unassigned: Is this project still alive? [12006]
It seems that the development of this library has ceased, after the v2 beta 1 nothing happened.So there isn't any road map and planed releases?Comments: Not a issue anymore.
View ArticleNew Post: Get Physical Column Number
In NPOI, the hierarchy is row based. You have to go though the IRows to see the lastcellnum of each row.
View ArticleNew Post: XSSF Performance: degrade when creating huge number of rows
The next version is NPOI 2.0 beta 2. It's planned to be released next month (Dec, 2013)
View ArticleNew Post: Stress test of XSSF proves exponential time (performance concerns)
Hi All, I'm glad to say that the performance is greatly improved after changing the way of implementing GetLastKey() Start time: 2013/11/24 21:47:55 [00:00:00.0439453] 0 rows written [00:00:00.1054687]...
View ArticleNew Post: XSSF Performance: degrade when creating huge number of rows
Btw, I ran your program based on the latest code in github just now. Here is the latest result. Start at 2013/11/24 21:51:59 End at 2013/11/24 21:52:01 I switched to Stopwatch to get more precious...
View ArticleUpdated Release: NPOI 2.0 beta 2
Assembly version: 2.0.5a. fix shift row issue in XSSFSheetb. fix performance issue due to XmlSerializer. NPOI is getting rid of XmlSerializer.c. reading/writing CT_Drawingd. fix ddd pattern issue in...
View ArticleUpdated Release: NPOI 2.0 beta 2
Assembly version: 2.0.5New featuresa. Support Scatter chart in XSSF (xlsx)b. Extract pictures from Excel (xlsx)c. XWPF becomes stabler than befored. Able to support xml:space="preserve" attributee. Add...
View ArticleReleased: NPOI 2.0 beta 1 (Mar 06, 2013)
Assembly version: 2.0.1New features a. Copy rows, columns inside a sheet b. Copy sheet between workbooks (contributed by Paul Kratt) c. OpenXml4Net is stable and ready for use d. Support new Excel...
View ArticleUpdated Release: NPOI 2.0 beta 1 (三月 06, 2013)
Assembly version: 2.0.1New featuresa. Copy rows, columns inside a sheetb. Copy sheet between workbooks (contributed by Paul Kratt)c. OpenXml4Net is stable and ready for used. Support new Excel...
View ArticleUpdated Release: NPOI 2.0 beta 2
Assembly version: 2.0.5New featuresa. Support Scatter chart in XSSF (xlsx)b. Extract pictures from Excel (xlsx)c. XWPF becomes stabler than befored. Able to support xml:space="preserve" attributee. Add...
View ArticleNew Comment on "Documentation"
Is it possible to create a protected excel file from NPOI?
View ArticleUpdated Wiki: 用于主题检测的临时日志(8c862180-66cb-4eac-a7fc-47e014f3529b -...
这是一个未删除的临时日志。请手动删除它。(e4ce8675-8aa2-475d-aa61-d8e6bd402450 - 3bfe001a-32de-4114-a6b4-4005b770f6d7)
View ArticleClik here to view.
Updated Wiki: Home
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.For example,...
View ArticleUpdated Wiki: NPOI Road Map
NPOI Road MapNPOI Book Plan A book may be published with the name <NPOI in Action>, which will greatly help beginners to get started with NPOI.NPOI ReleasesNPOI 2.0start to support docx and xlsx...
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