title: Binding a DataGridView to a DataTable but also including a ComboBox as the last column
body: <p>Right now I have a DataGridView that's bound to a DataTable that works all well and good. What I need to do on the DataGridView is include a new column at the very end that is a ComboBox that will dynamically filly based on the key value of the row. </p>
  
  <p>My columns are ID, Name and Count. The 4th column will be a ComboBox that takes an ID and creates the values in the drop down based on that. I currently have a custom ComboBox that takes an ID in its constructor and fills it that way, but I couldn't figure out a way to put that into the DataGridView. So, I created a copy of that custom ComboBox control and made it into a DataGridViewComboBoxCell but I STILL can't figure out how to dynamically bind it to the form. I've scoured the internet and found some examples but not exactly what I want to do. </p>
  
  <p><a href="http://codeedifice.blogspot.com/2007/12/dynamic-combobox-in-datagridview.html" rel="nofollow noreferrer">This link</a> shows kind of what I want to do except I'm using C# not VB. Any ideas?</p>