Can not access a closed Stream. System.ObjectDisposedException: Can not access a closed Stream. at System.IO.Compression.DeflateStream.EnsureNotDisposed() at MS.Internal.IO.Packaging.CompressStream.Flush() at MS.Internal.IO.Zip.ZipIOLocalFileBlock.FlushExposedStreams() at MS.Internal.IO.Zip.ZipIOLocalFileBlock.UpdateReferences(Boolean closingFlag) at MS.Internal.IO.Zip.ZipIOBlockManager.SaveContainer(Boolean closingFlag) at MS.Internal.IO.Zip.ZipIOBlockManager.SaveStream(ZipIOLocalFileBlock blockRequestingFlush, Boolean closingFlag) at MS.Internal.IO.Zip.ZipIOModeEnforcingStream.Dispose(Boolean disposing) at System.IO.Stream.Close() at System.IO.Packaging.PackagePart.Close() at System.IO.Packaging.Package.DoClose(PackagePart p) at System.IO.Packaging.Package.DoOperationOnEachPart(PartOperation operation) at System.IO.Packaging.Package.System.IDisposable.Dispose() at Infragistics.Documents.OfficeOpenXml.Core.OfficeDocumentManager.Dispose(Boolean disposing) at Infragistics.Documents.Excel.Serialization.WorkbookSaveManagerExcel2007.Dispose(Boolean disposing) at Infragistics.Documents.Excel.Workbook.SaveXLSXFileHelper(Stream stream, WorkbookSaveOptions saveOptions) at Infragistics.Documents.Excel.Workbook.Save(String fileName, WorkbookSaveOptions saveOptions)
That error usually means the file stream is getting closed before the workbook finishes saving. Try wrapping the save in a using (var stream = new FileStream(...)) { ... } block so it only disposes after the save is complete. Infragistics community
using (var stream = new FileStream(...)) { ... }
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