c# - Marshal.ReleaseComObject(...) issues -

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I asked to release some Excel objects after use. Is it necessary to set references to zero later (like in the following code)? 

  var dateCol = sheet1.get_Range ("C4", "C" + offset off); DateCol.NumberFormat = "Text"; Marshal.ReleaseComObject (dateCol); DateCol = null;

This is what I always use and it works very well 

  using Excel = Microsoft.Office.Interop.Excel; Excel.ApplicationClass _Excel; Excel.WorkbookWB; Excel.Worksheet WS; Try {_Excel = New Microsoft.Office.Interop.Excel.ApplicationClass (); WB = _Excel.Workbooks.Open ("FILENAME", Type Missing, Type Missing, Type Missing, Type Missing, Type Missing, Type Missing, Type Missing, Type Missing, Type Missing, Type Missing, type missing, type missing, type missing, type missing); // do something} grip (ex before) {WB.Close (wrong, type messing, type missing); throw; } Finally {GC.Collect (); GC.WaitForPendingFinalizers (); System.Runtime.InteropServices.Marshal.FinalReleaseComObject (WB); System.Runtime.InteropServices.Marshal.FinalReleaseComObject (_Excel); }

a 

  system.endime.interposervices. Mrishal FinierCrack Com Object

On all referenced Excel objects


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