Hi Christopher, Want to configure new drop down menu in the part form

Hi, Subject: Want to add new drop down menu with some list type in the “part form” So I have created one item list Administration>Lists 1. Then I went to part>view>part form 2. after that i have created one new drop down menu and set the item list which i have created in datasource and selected the dropdown menu category for the field type. 3. Then i saved and checked it. its appeared in the part form while creating an item. In that drop down menu the list is appearing. But when i click the dropdown menu it is throwing the error called error: ” [object object] “. somewhere it is not linked properly. 4. and one more doubt. say for example in that drop down menu list contains list of cities. 5. now how can i show the selected city the properly column’s list. 6. So kindly provide the way to configure and link the new drop down menu list properly in that part form. Please guide the same.