Error while creating open XML excel sheet from ASP.NET MVC
问题 I am trying to export an Excel sheet from ASP.NET MVC4 using Open XML SDK 2.5. I am trying to use standard example from MSDN, extention = "xlsx"; response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"; response.AddHeader("Content-Disposition",String.Format("attachment; filename={0}.{1}", fileName, extention)); using (MemoryStream mem = new MemoryStream()) { // Create a spreadsheet document by supplying the filepath. // By default, AutoSave = true, Editable