DoCmd.RunSQL "UPDATE CUSTOMERS SET Firstname = '" & Me.fname.Value & "', Lastname = '" & Me.lname.Value & "', PostalAddress = '" & Me.paddress.Value & "', City/District = '" & Me.city.Value & "', ContactNumber = " & Me.contact.Value & ", RegistrationDate = #" & Me.datej.Value & "#, Gender = '" &...