New Post: Is there any volunteer to join me?
Hi Tony,I've been working with C# for 6 years now, I've already been using NPOI for a lot of server scenarios. Let me know if I can help to improve it :). email: ville_heartagram@hotmail.com
View ArticleNew Post: Formatting cell with thousand separator
Hello I'm trying to format NPOI cell with thousand separaror I'm trying this but it does not change anything ICell Cell= dataRow.CreateCell(I); Cell.CellStyle.DataFormat =...
View ArticleNew Post: Maintain file readonly once Workbook open
Hi, What is the recommended worflow to keep a workbook locked for editing while loaded with NPOI? I am using: Dim ReadStream As New FileStream(WorkbookPath, FileMode.Open, FileAccess.ReadWrite,...
View ArticleCreated Unassigned: Applying different style for multiple rows [13302]
Hello,I have a bit of a problem applying style to cells for multiple rows.I extracted my method but when I try to do this:``` ApplyStyleToRow(workbook, sheet.GetRow(11)); ApplyStyleToRow(workbook,...
View ArticleNew Post: Getting a cells data type
Hi All, I'm extracting data from a .xlsx workbook and am tring to ascertain the type of a cells data e.g. numeric,string or date and the only property I can see to do this is the CellStyle.DataFormat...
View ArticleUpdated Release: NPOI 2.1.1 (六月 06, 2014)
Assembly Version: 2.1.0New Featuresa. XSSFSheet.CopySheetb. Excel2Html for XSSFc. insert picture in word 2007d. Implement IfError function in formula engineBug Fixesa. fix conditional formatting...
View ArticleReleased: NPOI 2.1.1 (Jun 06, 2014)
Assembly Version: 2.1.0New Features a. XSSFSheet.CopySheet b. Excel2Html for XSSF c. insert picture in word 2007 d. Implement IfError function in formula engineBug Fixes a. fix conditional formatting...
View ArticleCommented Issue: XSSFWorkbook Write corrupts XLSX File [12847]
This may be a duplicate of [12616](https://npoi.codeplex.com/workitem/12616), but after much research, I haven't been able to track down a solution.I compiled NPOI from source in Visual Studio 2013...
View ArticleCommented Unassigned: Crash when opening a file with a broken link [12727]
I have an .xlsx file with a cell containing "a@" - kind of a broken email address. When I try to open it using new XSSFWorkbook(file).Exception: UrlFormatExceptionInvalid URI: The hostname could not be...
View ArticleNew Post: Read XLSB
No, xlsb are not supported. My user finally save the file in xlsx format. Greetings!
View ArticleNew Post: row is grouped or not?
To group excel row exist function ISheet.GroupRow. What function for check if row is grouped or not?
View ArticleNew Post: how to set text direction
hi, anyone knows how to set text direction to vertical not just rotate cell. i wanna text like below测 试 文 字 thanks in advance
View ArticleNew Post: Mitliselect dropdown
Hi , I am using NPOI 2.0 for excel. i am using c# as my language and I want multi-select dropdown in excel(xls). Let me know if its possible if yes please provide the code.
View ArticleNew Post: Checkbox in Excel
Hi, i am using NPOI 2.0 for my excel generation using c#. Do any one have idea how to create Checkboxes in excel using NPOI?
View ArticleCreated Unassigned: Replace a formula with its result [13326]
Hi,I have an excel that is filled with formulas right through a second tab which is hidden, then I want my first tab shows the values in the cells, not the formulas or references from where the...
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 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 Article