How to: Programmatically Refer to Worksheet Ranges in Code
You use a similar process to refer to the contents of a NamedRange control or a native Excel range object.
Applies to: The information in this topic applies to document-level projects and application-level projects for Excel 2013 and Excel 2010. For more information, see Features Available by Office Application and Project Type.
The following example adds a NamedRange to a worksheet and then adds text to the cell in the range.