>I have a grid based on a filtered table. In my form I want to have a textbox that I as the admin. can type in a variable for the filter expression and the grid refresh with to new records. I can't seem to get this to work.

Grid recordsourcetype ?
If an SQL than you should have an index for the filter field.
Also you might try :
Grid.Recordsource = grid.recordsource
Cetin