New Post: open, edit and save
I need to open an excel 97-2003 file that is heavliy formatted. Save data to specific cells, then save it under a new name. Easy as pie with Interop but too costly.Have tried 8 other open source gigs...
View ArticleNew Comment on "NPOI Road Map"
Hello tony Easy question to ask on my side: When do you plan to release a stable version of NPOI 2.0 ? Thanks : )
View ArticleNew Post: open, edit and save
Never mind, found it (violated the "serach first" mantra)Â Â recalculate = true
View ArticleNew Post: Problem working with Excel 2007
Hi all, I am also facing the similar problem with xls format.While exporting excel file am adding a HSSFDataValidation. Its a dropdownlist for one column in sheet1 and the values are generated in...
View ArticleNew Post: Using NPOI.SS.UserModel to open both XLS and XLSX for reading
I've referenced NPOI.OOXML but the dll does not have a strong name so I cannot deploy it to the GAC (for a few different reasons, I do need to deploy it to the GAC). The other npoi dlls, npoi.dll,...
View ArticleNew Post: Check for row existence
Hi, i need to check existence of the row. For example, this code in NPOI.Examples (SetBordersOfRegion)//create horizontal 1-9 for (int i = 1; i <= 9; i++) {...
View ArticleNew Post: Problem with evaluating formula Now() or Today() on c#
Hi, I am using NPOI.SS.UserModel.FormulaEvaluator to evaluate a formula that contains the Now() function and I receive an error saying it was not possible to evaluate the corresponding cell, can...
View ArticleNew Post: Cell is locked when I write to an existing sheet
Hi, I hope quickly for an answer. I have the following code: HSSFSheet ws = (HSSFSheet)wb.GetSheet(Maanden[maand-1]); var nextRow = StartRij-1; HSSFRow row = (HSSFRow)ws.CreateRow(nextRow); row =...
View ArticleNew Post: Can't open and change data in xls file using NPOI. C#
@timclaason, I really want to thank you for this information. Kept getting cannot write to closed file. This worked like magic and I truly appreciate this - enough that I registered to say thanks LOL!...
View ArticleReviewed: NPOI 1.2.5 (Feb 12, 2013)
Rated 5 Stars (out of 5) - It just does what it promises. Excellent work.
View ArticleCreated Issue: Hyperlink issue with ShiftRows [11569]
I have created a hyperlink cell and set the "cell.Hyperlink = link;" property. After doing this I am using ShiftRows() in order to eliminate blank rows in our code. When I do that, I...
View ArticleNew Post: How to block the execution of makro's or VBA formulas in Excel 2007...
Hi all, is any way to block an excel makro's execution or VBA formulas that check (or calculate) cells. I have to work with not my own excel file that is protected by password. I can open file, add...
View ArticleCommented Issue: Hyperlink issue with ShiftRows [11569]
I have created a hyperlink cell and set the "cell.Hyperlink = link;" property. After doing this I am using ShiftRows() in order to eliminate blank rows in our code. When I do that, I...
View ArticleCommented Issue: Hyperlink issue with ShiftRows [11569]
I have created a hyperlink cell and set the "cell.Hyperlink = link;" property. After doing this I am using ShiftRows() in order to eliminate blank rows in our code. When I do that, I...
View ArticleNew Post: Add pictures to exists Excel file with pictures
After I add some pictures to an Excel file with old pictures, I can see the new added pictures, but I cannot see the old pictures. Is there any solution to fix it? private void WriteItem(HSSFRow...
View ArticleClosed Issue: Seems Like there is a row and Column Number Constraint while...
I have generated few Excel files (.xls) files.Files having rows > 10 and Columns > 12 are readable in ExcelReader(http://exceldatareader.codeplex.com/)Files having rows or columns less...
View ArticleClosed Issue: Don't we have xssf module in NPOI 1.2.5.0? [11438]
I have NPOI.dll but could not find xssf module (version 1.2.5.0)Comments: Not a issue. XSSF is only available in NPOI 2.0 and included in NPOI.OOXML
View ArticleCommented Issue: Couldnot delete worksheet [11376]
I am trying to delete first sheet from excel file like below _Worksheet _wsh = (_Worksheet)shs.get_Item(1); _wsh.Delete();But it throws error. Am i doing something wrong pls guide.Comments: ** Comment...
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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,...
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