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我想從內存流創建XLWorkbook對象。 xlsx文件的字節被寫入存儲器流。但是當我嘗試創建XLWorkbook對象時,我得到了一個異常:NullReference異常被捕獲。誰能幫我這個?從內存流創建XLWorkbook
//...
ssrsHelper.ExecuteReport(model, "EXCELOPENXML");
MemoryStream memStream = new MemoryStream();
memStream.Write(model.ReportBits, 0, model.ReportBits.Length);
//in this line I get the exception
XLWorkbook wb = new XLWorkbook(memStream, XLEventTracking.Disabled);