ExcelTemplate.Open(ExcelApplication, Workbook)

Description

Passes a spreadsheet from ExcelApplication to ExcelTemplate.

C#

vb.net

The instance of ExcelApplication that was used to create the spreadsheet.

A Workbook object representing the Excel file created with ExcelApplication.

Open will throw this exception if null (C#) or Nothing (VB.NET) is passed to the method.

You can use ExcelApplication to create a document with data markers (a template) and pass the file to ExcelTemplate to populate the data markers.

If your template file is the new Office Open XML (.xlsx) format, you cannot open it using ExcelApplication in ExcelWriter version 7.

C#

vb.net