c# webdriver - Data Driven : DataSource attribute error - Connecting Automation with MTM

I wrote this for one test case with these attributes hoping this is how I can link my Microsoft Test Manager Manual Test Cases with the Automation

[Test]
[DataSource("Microsoft.VisualStudio.TestTools.DataSource.TestCase"
, "the tfs server where the project is held"
, "7744"
, DataAccessMethod.Sequential)]

This is all I have done, the Class property does not have any Data Source properties in it.
When I build I get an error:

DataSource could not be found & DataSourceAttribute could not be found.

This class document started as a blank class file if that helps any?

If it helps, I am going off of this. . .
http://blogs.infosupport.com/testing-your-web-application-with-selenium-and-mtm-part-2/

You will need these References:
using Microsoft.VisualStudio.QualityTools.UnitTestFramework;
using Microsoft.VisualStudio.TestTools.UnitTesting;

Now when I open the testcase via visual studio and try to associate the testcase. It is not listed.
I think this is because it is a regular class with selenium NUnit test cases, not Coded UI TestCases.

Apparently this attribute is more or less used to pull parameters from the manual testcase in MTM to use in the automation side of things.