title: Prevent WPF 4.0 Datagrid from Showing Empty Column
body: <p><img src="https://i.stack.imgur.com/tJAQL.png" alt="alt text"></p>
  
  <p>I have an application with a datagrid with 1 column (for now). How do I remove the second, empty column from the datagrid such that only columns with data are displayed in the datagrid.</p>