I want to achieve the above functions, but the question now is on the left side of the select data, on the right side of impossible linkage,

Fluctuation two parts are included in a child form on the right side of, when I query is complete, the right to default, according to a first display corresponding data query out
On the left side of the other records when they choose the right follow linkage

I'm new best when they are a great god, please reply to some of the code, be appreciated