java - how to solve NotOfficeXmlFileException - Stack Overflow
Oct 7, 2020 · org.apache.poi.openxml4j.exceptions.NotOfficeXmlFileException: No valid entries or contents found, this is not a valid OOXML (Office Open XML) file on the line Workbook workbook = …
Export DataTable to Excel with Open Xml SDK in c#
Export DataTable to Excel with Open Xml SDK in c# Asked 13 years, 4 months ago Modified 2 years, 3 months ago Viewed 157k times
Working with Office "open" XML - just how hard is it?
Jan 25, 2012 · The Open XML SDK 2.5 encapsulates many common tasks that developers perform on Open XML packages, so that you can perform complex operations with just a few lines of code."
How to fix NotOfficeXmlFileException in java Apache POI?
Exception in thread "main" org.apache.poi.openxml4j.exceptions.NotOfficeXmlFileException: No valid entries or contents found, this is not a valid OOXML (Office Open XML) file
How to create a valid docx with a table using Open XML
Jan 6, 2024 · Open each of the documents with the other two programs (for example, if you created a document in Word, ensure that it successfully opens with Libre Office and Open Office). Once you've …
From Excel to DataTable in C# with Open XML - Stack Overflow
May 27, 2017 · I'm using Visual Studio 2008 and I need create a DataTable from a Excel Sheet using the Open XML SDK 2.0. I need to create it with the DataTable columns with the first row of the sheet …
pdf generation - Save Open XML as PDF - Stack Overflow
The nice thing about the Office OpenXML is that it's the language of Microsoft Office -- if you live your "office life" in Word and Excel (2007 and later), that's the format you want. Can you "save" OpenXML …
Java POI the supplied data appears to be in the Office 2007+ XML
Aug 6, 2015 · I am getting this error: org.apache.poi.poifs.filesystem.OfficeXmlFileException: The supplied data appears to be in the Office 2007+ XML. You are calling the part of POI that deals with …
c# - OpenXml and Date format in Excel cell - Stack Overflow
1 Your answer can be found at What indicates an Office Open XML Cell contains a Date/Time value? The trick is that the StyleIndex (s-attribute) of the cell is literally an index into the list of cell styles (XF …
c# - open xml reading from excel file - Stack Overflow
Apr 16, 2014 · The filestream approach allowed me to specify the file open and sharing modes. Obviously this would not be a good idea if trying to write to the workbook but I wanted read-only …