>

>thisform.AllOk()
>
>** Method AllOk
>thisform.Command1.Enabled = .NOT. EMPTY(thisform.Date1.Text1.Value) .AND.;
>                            .NOT. EMPTY(thisform.OsZp.Text1.Value)
>

>
>where thisform.Date1.Text1 is the problem field
>Method AllOk is for check that every needed data has some value and enabled SAVE DATA button

I don't see how it could cause behavior you describe. Does commenting or removing thisform.AllOk() fixes the problem? Besides that, it seems to me that logical place to call thisform.AllOk() would be the Valid or LostFocus of a textbox.