New Post: Add pictures to exists Excel file with pictures
I have fixed this problem by using 2.0.
View ArticleNew Post: [NPOI.XSSF.UserModel] XLSX file : repair needed when using Double...
This seems to be internationalization problem. I got this work by rounding the numbers. But maybe changing the current culture could be better solution (haven't tested)...
View ArticleNew Post: Create xlsx file from Template, but the file has some errors.
I generate files from xlsx template.In the process, I add a lot of data to the file.But some of the m are right,some of them have errors.The Excel shows the following message:Repair parts: XML error...
View ArticleNew Post: [NPOI.XSSF.UserModel] XLSX file : repair needed when using Double...
Hi, Thanks for your feedback. I will try this fix as soon as possible, but I also need to check impacts that this locale change will have on the file. I keep you updated.
View ArticleNew Post: Read XLS with Protected Book and Sheet via HSSF.EventUserModel
Using the HSSF.EventUserModel, how can I read all Records (including CellRecords) for an XLS file with both Workbook and Worksheet protection? Create Input Spreadsheet (in Excel 2010):Create new Blank...
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New Post: NPOI and setCellFormula(): decimal-separator is cutoff
I've a serious problem copying this formula with NPOI 1.2.5 from one cell to another with C#: The original cell contain this:=IF(H21>(H23*0.9997);IF(H21<(H23*1.0003);"OK";"Errore");"Errore") The...
View ArticleNew Post: XSSF Performance: degrade when creating huge number of rows
Hello, We use NPOI HSSF to make an Excel of 50K rows in 9 seconds. But when changed to use the XSSF (IWorkbook interface), the time needed increase until 3 minutes. Our code for both tests is the same,...
View ArticleNew Post: XSSF Performance: degrade when creating huge number of rows
Ths is a known issue in OOXML library. Since the team is busy implementing features, the performance issue may not be fixed in 2.0.1 final release. The main reason of the issue is because XSSF uses...
View ArticleNew Post: XSSF Performance: degrade when creating huge number of rows
Thanks for your answer, tonyqus. The software is great, but with this issue we can use it. I wish we can use it in the future. Regards!
View ArticleNew Post: 如何取得EXCEL中的TEXTBOX
Hello Tony, thanks for your work Any news about the TextBox control ? I saw that we can define one with HSSFTextBox, but how to link it to a cell ? Thanks
View ArticleNew Post: Is there any volunteer to join me?
Hi tonyqus, I am a programmar in C# for 5 years and I'd like to do somethine for npoi. If there is any thing I can do to assist in feature enhancement, let me know. email: dongyongjing@163.com
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New Post: How can I obtain Scaling mode: Reduce/Enlarge printout?
HI all, I've a problem with NPOI. I need to change the print options of my worksheet so that Openoffice can print it reading Scaling mode: Reduce/Enlarge printout (last option in the following...
View ArticleNew Post: Saving large workbooks
I have the same problem :( MemoryStream WriteToStream(){ //Write the stream data of workbook to the root directory MemoryStream file = new MemoryStream(); hssfworkbook.Write(file); return file; }...
View ArticleNew Post: excel data corruption
Read xlsx template , modify xlsx data, then save to excel file, and then open saved xlsx file ; Excel program will prompt repair data, opened excel file format and content have changed OpenFileDialog...
View ArticleNew Post: 修改xlsx文件后保存会丢失数据和格式
1读物xlsx文件或xlsm文件 2修改xlsx中的数据然后保存其他文件 3打开保存文件,Excel程序会提示:在文件中发现不可读取的内容。是否恢复此工作薄?如果信任此工作薄的来源,请选择是 4强制信任后打开,发现文件和原文件格式丢失 5上述问题再excel2003中不存在,只在excel2007存在OpenFileDialog dialog = new OpenFileDialog();...
View ArticleNew Post: Worksheets right to left
Hello, I'm using your wonderful library and I'm very pleased with it! One little but big thing that does bother me is the lack support of RTL. A1 is on the upper left corner while my customer wants it...
View ArticleNew Post: CreateCellComment gives System.ArgumentException: An item with the...
This happens only in some cells now and my template worked fine before this few weeks. public static void SetComment(ref ISheet w, int row, int col, string text) { try {...
View ArticleNew Post: I can't get it work using VB.NET
The following code is not working: Try Dim workbook = New HSSFWorkbook() Dim sheet As HSSFSheet = workbook.CreateSheet("Sheet1") Dim row As HSSFRow = sheet.CreateRow(0)...
View ArticleNew Post: Getting Different Result When Running Code in Visual Studio 2012...
Visual Studio Express 2012 for Web. Windows Server 2008 R2. IIS 7.0. I have code that creates an Excel workbook from the results of a SQL query and then offers to open or download the Excel file. This...
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