Check http://www.sweetpotatosoftware.com/spsblog/2008/11/25/VisualFoxProGridEnhancements.aspx

>I have admission.dbf having fields 1.regno 2. name 3. branch 4. college 5.doa. I have create search.scx in that i placed one Grid control
>and two two combo boxes namely 1. cbobranch 2.cbocollege and i have set Grid record source is admission.dbf. when i run the form all the records of admission table display in the Grid.I want to display the records what i have selected value in two combo boxes. For example I have select ECE in cbobranch and PEC in cbocollege then the corresponding records will shown in Grid control.
>
>How to do this?