Opens an existing Excel spreadsheet that is attached to a SharePoint List Item.
public static Workbook Open(this ExcelApplication excelApplication, Microsoft.SharePoint.SPListItem listItem, String fileName)
Public Shared Function Open(ByVal excelApplication As ExcelApplication, ByVal listItem As Microsoft.SharePoint.SPListItem, ByVal fileName As String) As Workbook
The current ExcelApplication object which is opening the file
SharePoint List Item to which the file is attached
The name of the file to open. The file must be a BIFF8 format (Excel 97 or later) .xls or .xlt file.
A Workbook object representing the file opened.
If the file cannot be found or opened, or if ExcelWriter cannot parse the file as a BIFF8 file.
ExcelWriter supports Excel's BIFF8 (Excel 97 or later) format only. Do not use this method to open BIFF7 (Excel 95) files.