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Commented Issue: NPOI doesn't work with a Excel template with macro [3804]

Since there is no documentation one can refer to, let me ask the author whether NPOI supports Excel files with macros? Probably I did something wrong, but each time I try to open such a file, fill it...

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Commented Issue: Npoi 2 error in NumericCellValue (XSSFCell) [11083]

double.Parse(this._cell.v)this._cell.v == "55,6" - errorthis._cell.v == "55.6" - ok change:double.Parse(this._cell.v) -> double.TryParse(this._cell.v, NumberStyles.Any,...

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New Post: Picture Line Border in Excel using HSSF UserModel

Is there a way to add a picture line border to a picture that has been inserted into an anchor tag on a given worksheet? If so, how would this be done?

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New Post: Reading Specific Columns or other ideas?

At the moment I need 3 specific columns from an xls file and have been loading the whole sheet into a datatable. From there I am deleting rows and columns I do not need. It is sort of working but also...

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New Post: Format as Table

Guys, can I populate an excel file (xlsx) with that 'Format as Table' feature? I haven't found a way to create it through code, neither putting it on my template. Is there some class that helps me with...

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Created Unassigned: npoi.xssf.usermodel [11874]

Hi all, I wanna use npoi to manipulate .xlsx files in VS2012/2010. To do so I should import NPOI.XSSF.UserModel, but when I add the npoi.dll and try to import that, there is no XSSF type of NPOI at...

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Reopened Issue: Access issue creating worksheet [11383]

The following error occurs when we try to create a worksheet. The issue is resolved by setting IIS 7.0 LoadUserProfile to true. We are trying to understand why this is needed and teh secruity...

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Reopened Issue: [HSSF]Comment is not saved correctly while using a xls...

If you read an existing xls template with comment in it and then save it as a new xls, the comment will be lost and Excel will say 'file data lost' in some cases. This is confirmed as a bug in all...

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Reopened Issue: Issue with 2.0 Beta: Get an non-Closing Element error [11085]

I have a situation where I have to open several XLSM files. Only about 50% of them work with the NPOI 2.0. I get a failure similar to the following: The 'br' start tag on line 19 position 12 does not...

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Reopened Issue: Npoi 2 error in NumericCellValue (XSSFCell) [11083]

double.Parse(this._cell.v)this._cell.v == "55,6" - errorthis._cell.v == "55.6" - ok change:double.Parse(this._cell.v) -> double.TryParse(this._cell.v, NumberStyles.Any,...

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Reopened Issue: Error when running NPOI with Mono C# compiler version 2.0.1.0...

Dear developers, I get an error when running applications using NPOI under mono:  Unhandled Exception: System.ArgumentException: Encoding name 'UTF-16LE' not supportedParameter name: name at...

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New Post: Format as Table

This looks to be a new feature in Office 2007 or above because the file format is xlsx. I'm afraid it's not supported so far.

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Commented Unassigned: problem with ExcelSheet 2010 [11880]

I want to fetch the data from the excel Sheet provided to the user and i am using NPOI from nuGate Package.If my excel sheet made in the MSOffice2007 then it is working fine. but if file made in 2010...

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New Post: Dose NPOI support WinRT and WindowsPhone

Hi, I just want to know that, dose NPOI support WinRT and WindowsPhone? if not, what can be other alternatives Thanks JZ

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New Post: Format as Table

That's what I thought. I spent some time researching on poi too, but nothing came out of it. If anybody is going through that pass, I suggest the same approach I worked on, using an Excel Macro. Any...

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Created Unassigned: xlsx Insert second picture error [11892]

Hi all,When I insert secord picture in Xlsx file, it always replace first one.Any help? IWorkbook workbook = new XSSFWorkbook(); ISheet sheet1 = workbook.CreateSheet("PictureSheet"); IDrawing patriarch...

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New Post: NPOI makes a mess of my .XLSX file when writing to existing file

Hi folks, When I wrtie to an .XLS file there is no problem, it works correct. But when I write to a .XLSX file the file is messed up. Mu code is ± private IWorkbook wb; // Class and code FileStream...

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New Post: EOF In Header exception when reading .xlsm

I'm getting an EOF in Header exception when opening a XLSM file and initializing a XSSFWorkBook(Stream) object with the 2.0 beta version of NPOI. Below is a stack trace. Has anyone seen this before?...

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Created Unassigned: NPOI will throw exception when clone sheet With template...

With template file .xlsx​ (office 2007) have image in header, NPOI will throw exception when clone sheet or only read and write file. But with .xls format (office 2003) NPOI work well.

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Created Unassigned: problem with formula SUMIFS in german excel [11905]

HI Alli can insert Sumifs with beta version but only sum or sumif work german version of excel2010.The functionnames are different in german is called "SUMMEWENNS". When i go in excelto cell and change...

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