Created Unassigned: protect sheet grayed out for the worksheets copied from...
hi I have a workbook with some of worksheets copied from the other workbooks, but the issue is when right click the tab of some sheets, the protect sheet option is grayed out, those sheets((with...
View ArticleNew Post: How to pass a stream (excel generated file) back to an Angular...
Hello I am in the progress of migrating a MVC application to a SPA with angular. In the past application I was able to pass a Filestream object from the MVC controller back to my page which prompted...
View ArticleCreated Unassigned: 【XSSFCellStyle.IsLocked = false】不起作用 [13456]
``` public static void Test(){ var wb = new XSSFWorkbook(); var s0 = wb.CreateCellStyle(); s0.IsLocked = true; var s1 = wb.CreateCellStyle(); s1.IsLocked = false; var ws = wb.CreateSheet(); var r0 =...
View ArticleCommented Unassigned: Problem with .xlsx file for saving same workbook second...
Hi Team, I am developing .xls and .xlsx excel file using NPOI 2.1.3 beta version. I have a requirement of saving the same excel workbook multiple times. With .xls file working good but .xlsx resulted...
View ArticleNew Post: AutoSizeColumn got slow in NPOI 2.0
This issue is much more pressing than one would think. To extract 70k rows (around 25 columns) without autosizing took about 1 minute, I'm rarely able to extract the same amount with autosizing due to...
View ArticleNew Post: XSSF Performance: degrade when creating large number of rows
Noticed a thread on this subject from a couple years back. I have updated our code to use the latest beta release. Still experiencing the same performance degradation as more rows are being created....
View ArticleNew Post: XSSF Performance: degrade when creating large number of rows
Think I figured out our issue. Calling the AutoSizeColumn method during every cell write, instead of waiting till all the data is written and just do it once for all columns.
View ArticleNew Post: How can I get range by name
Hello, I have an .xls template with several named ranges, how can I get range by its name?
View ArticleCommented Unassigned: Problem with .xlsx file for saving same workbook second...
Hi Team, I am developing .xls and .xlsx excel file using NPOI 2.1.3 beta version. I have a requirement of saving the same excel workbook multiple times. With .xls file working good but .xlsx resulted...
View ArticleCommented Unassigned: Problem with .xlsx file for saving same workbook second...
Hi Team, I am developing .xls and .xlsx excel file using NPOI 2.1.3 beta version. I have a requirement of saving the same excel workbook multiple times. With .xls file working good but .xlsx resulted...
View ArticleCommented Unassigned: Exception opening a file in read-only mode [13397]
If I open an xlsx file with```workBook = new XSSFWorkbook(OPCPackage.Open(path,PackageAccess.READ));```it later throws an exception```NPOI.POIXMLException en...
View ArticleCommented 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 ArticleClosed 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 ArticleClosed Unassigned: [Bug] Incorrect handling of serialization for xlsx...
Our application is editing existing xlsx files. Problem is that it works with xlsx created by excel 2007, but does not work if file was saved in excel 2010 or 2013.Problem is in serialization of some...
View ArticleClosed Unassigned: XSSFWorkbook is corrupt when CurrentThread.CurrentCulture...
```c#IWorkbook workbook;ISheet sheet;Thread.CurrentThread.CurrentCulture = new CultureInfo("en-US");workbook = new XSSFWorkbook();sheet = workbook.CreateSheet();using (var stream = new...
View ArticleCommented Unassigned: NPOI Save Excel unable open in iPhone [13251]
Hi,I'm new to the NPOI, I've generated the excel file using NOIexamples and the version NPOI 2.1.1.And I've attached the generated excel in email which unable to open in the iPhone, getting the below...
View ArticleClosed Unassigned: Exception opening a file in read-only mode [13397]
If I open an xlsx file with```workBook = new XSSFWorkbook(OPCPackage.Open(path,PackageAccess.READ));```it later throws an exception```NPOI.POIXMLException en...
View ArticleCommented Unassigned: [2.1.1]HSSFWorkbook.Write occurred...
dotnet4A first chance exception of type 'NPOI.HPSF.ReadingNotSupportedException' occurred in NPOI.dllA first chance exception of type 'NPOI.HPSF.ReadingNotSupportedException' occurred in...
View ArticleCommented Unassigned: Exception opening a file in read-only mode [13397]
If I open an xlsx file with```workBook = new XSSFWorkbook(OPCPackage.Open(path,PackageAccess.READ));```it later throws an exception```NPOI.POIXMLException en...
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