>I have a grid on a form that has to be updated. I enter the criteria and create the cursor that is designated its control source.
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>Every time I do that, the grid blanks out. I have tried to reset the control source for each individual column, but it keeps giving me an error, saying the object "Grid1.Column1" does not exist.
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>Is there a setting that I'm missing here?

I usually design my grids and then save them as a class. When I instantiate a form, I instantiate the grid in the form's INIT. When I am ready to redo the underlying cursor, I remove the grid, redo the cursor, and instantiate the grid.

Works like a charm.