closedxml

What are some libraries that extend OpenXML (or add a kind of abstraction layer to OpenXML) similar to ClosedXML? I'm looking for a commercial or freeware tool with at least 1.0 version. Thank you in advance. Berat Bilgin Open-Source: Have you looked at EPPlus ? Slogan: Create advanced Excel 2007/2010 spreadsheets on the server. License: GNU Library General Public License (LGPL). I've been evaluating EPPlus, ClosedXML, and SpreadsheetLight over the past week. All three are really great libraries that make working with the extremely convoluted OpenXML a breeze. I've decided to go with EPPlus

All How can I download a file so the user sees that it is downloading (like with a stream?) I am currently using ClosedXML, but if I use the SaveAs method, I have to give a hard-coded URL, and if I just give the file name it does not automatically download to the download folder. The method below works great, but I have to create my own excel file, which is based upon HTML, and the file grows way too large than it should, when I use ClosedXML the file is only 50% or less from the size of the code below: However, the download behaviour is how I would like it to be. Is there a way I can convert

I am approaching to export a big amount of data (115.000 rows x 30 columnd) in Excel OpenXML Format (xlsx). I am using some libraries like DocumentFormat.OpenXML, ClosedXML, NPOI. With each of this, OutOfMemoryException is thrown because the representation of the sheet in the memory causes an exponential memory increase. Also closing the document file every 1000rows (and releasing memory), the next loading causes memory increase. Is there a more performant way to export data in xlsx without occupy a lot of memory? The OpenXML SDK is the right tool for this job but you need to be careful to use