Assembly: Microsoft.Office.Interop.Excel (in Microsoft.Office.Interop.Excel.dll)
XML features, except for saving files in the XML Spreadsheet format, are available only in Microsoft Office Professional Edition 2003 and Microsoft Office Excel 2003.
Use the SetValue method to map an XPath to a range or list column. The SetValue method is also used to change the properties of an existing XPath.
Use the Clear method to remove an XPath that has been mapped to a range or list column.