item.setValueField("EmployeeId");
item.setDisplayField("Name");
item.setPickListFields(new ListGridField("Name"), new ListGridField("Email"));
item.setWidth(250);
item.setPickListWidth(250);
item.setValueFormatter(new FormItemValueFormatter() {
public String formatValue(Object value, Record record, DynamicForm form, FormItem item) {
ListGridRecord r = item.getSelectedRecord();
if (r == null) return "";
return r.getAttribute("Name") + " (" + r.getAttribute("Email") + ")";
}