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Write a Workbook to an Excel File

After setting all options and cell values, the last thing you need to do with your workbook is write it to a file so it can be opened in Microsoft® Excel®. This is easily performed with the Save method of Workbook object. You can write the workbook to a stream or have it automatically create an xls file for itself.

Note
Note

Before saving a workbook, it must contain at least one visible worksheet; otherwise, an exception will be thrown when the Save method is called.

The following code shows how to write your workbook to a file once you are done creating it.

In Visual Basic:

workbook.Save("C:\Orders.xls")

In C#:

workbook.Save( "C:\\Orders.xls" );