The test.txt file I'm using is:
Most of the explanation can be found in the snippet.
Some CSV(Comma Separated Value) files often contain as first line, a header.
You could skip this, or threat it a bit differently.
I had no header, so I leave the coding of that up to you.
I made the test.txt file with Notepad, started a new windowsapplication and filled in this extra code in the Form1 constructor.