Try to assign empty string to the grid recordsource to prevent grid reconstruction, faq#8019. See in bold bellow.

>That's about what I'm doing.
>The only thing I build my SQl statment in my source code
>
>ex.

>Initialy :
>SELECT * from MEMBER into cursor tmpMemebre
>Thisform.myGrid.RecordSourceType = 1
>Thisform.myGrid.RecordSource = 'tmpMemebre'
>
>Later :
<b>Thisform.myGrid.RecordSource = SPACE(0) </b>
>SELECT * from MEMBER M WHEER M.MemDate < DATE() into cursor tmpMemebre
>Thisform.myGrid.RecordSourceType = 1
>Thisform.myGrid.RecordSource = 'tmpMemebre'
>Thisform.myGrid.Refresh

>
>The grid never gets the control back, it just freezes
>I also tried, removing my Grig object and adding it back on the fly, same thing.