>How do I get the infragistics combobox to only show a single column of data?
>
>I have set up the bindingsource as normal and manually defined a schema (single band, single column) but I am still getting all the columns in the table displayed.

The infragistics combobox is a grid behind the scenes. In the init of the combo box, you can hide the columns you don't want to display. One of the properties on the combobox columns collection allows you to hide it.