The namespace "Microsoft Office" does not contain a type or the namespace name "InterOP"

In C # C/S ProgramTo export data to an Excel file, you need to add references. In this case, you need to select support when installing the office. net. however, even if this option is selected during installation, the following error occurs: "The namespace" Microsoft Office "does not have a type or the namespace name is" InterOP "."
I have already installed Office 2003 several times and chose to support. Net during installation, but an error is returned.
Later, you can install the default options of Office 2007. It turns out to be so simple.
Solution:
1. Install the Office 2007
2 Add reference --- COM components: Microsoft Office 12.0 Object Library and Microsoft Excel 12.0 Object Library
This should work.