Hi Hs.
>
>i found that the cursor can not move to another field (cell) while the field empty. BUT why i can click on CONTAINER1.TEXTBOX1 and the cursor can go into it, when my field is empty also.
>
>the VALID event is to control the field must be fill in, but why I can click to another CONTAINER1.TEXTBOX1 (lost control) ???

Have you tried

return this.column1.text1.valid() in the grid's valid?

Marcia