>Is it possible to allow a user to choose multiple items from a drop-down list in a combobox? If yes, what properties allow this to happen? If yes, would the items all be stored in one field or multiple fields? Or would I need to use a listbox instead? Please clarify these capabilities for me. Thanks.
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>I have never tried this before. I don't even know if it's possible, but I assume it is.

Steve,

You can use listbox for that. It has a property (MultiSelect ?) to allow this functionality. Note, that multiselect listboxes work properly only for number of items less than 100. If you want more items to be displayed, as one of the alternatives, you can use Cetin's Basoz MultiSelect grid, available for download in Files section. You can also take a look at my container class, which is based on this multiselect grid.