Yes, this is possible. The drop-down list is a VALUES list in GDL and can be populated dynamically in a custom zone stamp. There is no SQL Server interface, so you would either have to export the table into a text file (CSV or tab-delimited, or XML) that can be read by GDL. With effort ($$), one can use the GDL Dev Kit to create an input/output add-on that could retrieve the SQL data. Haven't heard of anybody actually doing that though.
Karl
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