Do you release or set to .NULL. the loEmployeeForm reference before you release Form B?

>Hi All,
>
>From form A I post some records into form B.
>The table in form B is within a child grid.
>
>so I have to turn off the relation post the records
>and then turn the relation on, something like that.
>
>While m.loEmployeeForm is the reference object of form B.
>This code is within form A.
>
>WITH m.loEmployeeForm.pgfChild.Page1.grdChild
> *** Select the Perant
> SELECT (.LinkMaster)
> m.lcRelExpr="cEmp_SSN"
>
> *** Turn off the relations
> SET RELATION OFF INTO (.RecordSource)
>
> .... More Code
>ENDWITH
>
>Latter on I close both forms and open another one and there I have
>a problem I can not delete a table, even though USED() is FALSE.
>
>I am getting an error that the table is busy.
>
>In my Init method of that form I have the following code:
>
>IF VARTYPE(oCustomApp)=="U"
> PUBLIC oCustomApp
> oCustomApp=NEWOBJECT("CustomApp","LasApp")
>ENDIF
>
>If I change the above code into the followng the
>problem is gone:
>
>IF VARTYPE(oCustomApp)=="U"
> PUBLIC oCustomApp
> SET CLASSLIB TO LasApp
> oCustomApp=CREATEOBJECT("CustomApp")
>ENDIF
>
>Now anybody has an idea about it. There are no transcations
>either, in form A or form B.
>
>Thanks
>
>Doron