Need the simplest DataGrid populated

Could  a kind soul please show us the code (C#, not XAML!) to fill the following in a System.Windows.Controls.DataGrid??

Name: "Bill Gates", Company: "Microsoft"

Name: "Steve Jobs",  Company: "Apple"

TIA

-Travis

ps: These are some of my dozen or so failed attempts:

http://stackoverflow.com/questions/704724/programatically-add-column-rows-to-wpf-datagrid

http://wpftutorial.net/DataGrid.html

https://www.youtube.com/watch?v=5RsSJqk4tNw