Process data received over the wire from a form.
        This will be called during form construction with data supplied
        through the `formdata` argument.

        Converting primary key to ORM for server processing.

        :param valuelist: A list of strings to process.

def process_formdata(self, valuelist):
        """
        Process data received over the wire from a form.
        This will be called during form construction with data supplied
        through the `formdata` argument.

        Converting primary key to ORM for server processing.

        :param valuelist: A list of strings to process.
        """
        if valuelist:
            if self.is_related:
                self.data = self.datamodel.get_related_interface(self.col_name).get(
                    valuelist[0]
                )
            else:
                self.data = self.datamodel.get(valuelist[0])