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Closed Unassigned: Buffer overrun while writing a workbook [13159]

Hi,I'm trying to write an excel using filestream ```using (FileStream file = new FileStream(selectDest.SelectedPath + @"\Import update LHT.xls", FileMode.Create, FileAccess.Write)){...

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New Post: Landscape does not change

Hi, I want to change the sheet orientation to landscape and I have set it as follow. But it does not change. Regards, AlexIWorkbook wb = new XSSFWorkbook(stream); ISheet sheet =...

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New Post: How to change value of Excel 2003 (xls) Forms.ComboBox with NPOI 2.1.1

Hi, I have a xls template file that i have to fill with data. 2 of the fields in the template are =EMBED("Forms.ComboBox.1";""). I never really saw this on a excel file and if i try to set a value to...

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Commented 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...

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New Post: Grouping question with NPOI

Hi, I'm using NPOI 2.0.6 Is there some way to do the grouping (or pivot) similar as this attached file content?grouping example.xlsx

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New Post: PPT

Is PPT support supplied anywhere? I just need to extract text, nothing else. Thanks, Andy

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New Post: Extracting information from the Excel VBA Project part of a Workbook

Hi, I am interested in extracting information from the VBA project, specifically COM references and code modules names. Is this currently possible with NPOI? If not how much effort would it be to...

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New Post: PPT

Hi Andy, There is no support for ppt by NPOI. Sorry for that.

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New Post: Extracting information from the Excel VBA Project part of a Workbook

If it's just VBA model names, I think it's possible. Please contact me via support@neuzilla.com. I can create a consulting case for you.

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Created Unassigned: Variable length comment in excel file cell using NPOI...

I want to know how to create variable length comment box using NPOI.Code that we are using to insert comment is this:-Comment c = drawing.createCellComment (new HSSFClientAnchor(0, 0, 0, 0, 0, 0, 6,...

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New Post: I create an excel 2003 file but not display row number and column...

I use NPOI 2.1.1 to create an excel 2003 file. and find not display row number and column number .but the data ,style, picture is right. please fix it quickly ,thank you . if you want the excel file i...

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New Post: How open a Workbook without Events enabled.

Hi all, In Office.Interop.Excel there is a way to open a XLS file without warnings and Events:pExcel = new Excel.ApplicationClass(); pExcel.EnableEvents = false; pExcel.Visible = pvisible; pBooks =...

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New Post: How open a Workbook without Events enabled.

NPOI don't use Office.Interop. It's pure .NET code. No warning or events at all.

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New Post: How open a Workbook without Events enabled.

Ok,, so how can u open a XLSM (macros) excel file without warnings ???

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Commented Unassigned: NPOI 2.1.1 HSSF SetDefaultColumnStyle changes cell...

Hello.I'm new to NPOI and if I misunderstand something please correct me. I want to write a test application which opens an existing Excel Workbook (created by Excel 2007 or 2010 in 97-2003 xls Format)...

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New Post: AutoSizeColumn got slow in NPOI 2.0

AutoSizeColumn is too slow, EPPlus is faster。

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New Post: Worksheet protection. IsLocked=false not working

Hi all, I'm new to npoi, and i'm trying to protect a worksheet while leaving certain cells open for editing. I've tried everything i can think of. The sample below is a merger of two of the npoi...

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New Post: Worksheet protection. IsLocked=false not working

Looks like this is a bug with v2.1.1.0 I downgraded to v2.0.6.0 (2.6) and it worked perfectly

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Reviewed: NPOI 2.1.1 (9月 10, 2014)

Rated 4 Stars (out of 5) - in web using

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Created Unassigned: [2.1.1] NPOI saves corrupted xls [13244]

Hello!Open office 4.1.1 says the file made by npoi is corrupted and refuses to open it, even after repair. The file contains nothing but a sheet - no data in it. This happened after I updated to 2.1.1,...

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