tonyqus/npoi — pull request #8 by kennethahn (2013-06-25 19:07:16+00:00)
Title: Update SheetUtill.cs to fix memory issue with AutoSizeColumn for large w...

...orksheets

AutoSizeColumn would regularly fail in sheets with > 30000 rows. The
call to "new Bitmap(2048,100)" would throw ArgumentException with "Parameter is not valid" (on a system that otherwise low on memory). Disposing of the Graphics object each time helps avoid this.