EPPlus Large Dataset Issue with Out of Memory Exception

Question

System Out of Memory Exception. I see the memory Stream is only flushed when saved. We have 1.5 - 2GB Datasets.

I am using EPPlus Version 3.1.3.0

We do the

Answer 1

@Ernie is correct about some of the limitations of the current version of EPPlus. They've acknowledged that, and have been working on fixing it. This leaves you with one of two possible options for getting this to work:

1) Switch to the EPPlus 4.0 Beta, where they've fixed this issue, along with some other things as well (although you'll be using a beta version).

2) The ExcelPackage and ExcelWorksheet classes both implement IDisposable, so you might start getting better performance if you were to wrap your usage of them in a using() statement.