C# - Proper way to open and close an excel file programmatically

Question

I can\'t seem to find the proper way to open and close an excel file.

Here is what I have to open my file, which I find overly complicated:

        Micro         


        

Answer 1

Release the COM objects when completed...

using Excel = Microsoft.Office.Interop.Excel;
using System.Runtime.InteropServices;

# declare the application object
var xl = new Excel.Application();

# open a file
var wb = xl.Workbooks.Open("some_file.xlsx");


# close the file
wb.Close();

# close the application and release resources
xl.Quit();

#release the COM objects created as a final step:

Marshal.ReleaseComObject(wb);
Marshal.ReleaseComObject(xl);