>I have a grid with a combobox in column 1. The column current control is set to the combobox; the sparse property is set to .F. The control source is set to the receiving table's field.
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>The combobox rowsource is set to the table containing the list; the rowsource type is set to 6 fields.
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>When I run the form, I can see the combobox in the right place, but clicking on the arrow does nothing. I can type in the textbox, but it disappears when I tab over.
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>Any help is greatly appreciated.

In addition to the threads Nadya provided,and providing you have time for some 'sport' coding: Play with setting the combo's control source to and RowSourceType to 0 (none), the style to 2 (Dropdown list)and then populate the combo using the ADDITEM()method. AddItem offers oppertunities that the other RowSoueceType(s) cannot.