Please i didn't get do it yet

i'm only usingi this commands:

Local cId
lccId=Alltrim(Apto.cId)
Update Apto Set Plantas = Proper(Apto.Plantas) Where Alltrim(Apto.cId)=lccId
ThisForm.Refresh

And the Update SQl command is changing the record pointer from table,

Please help me what i doing wrong?

Thanks