How to work with tree UI element in webdynpro abap

Hi Friends,

I have a requirement. Actually i have to upload a flat file(Text). Flat file contains

Child      Parent      Name     Profession

2          1          A               SE

3          2          B               SSE

4          2          C               Consultant

5          4          D               Associate

Now i have to display ln tree in webdynpro abap like: A

                                                                                     B   

                                                                                     C

                                                                                          D

and then if i have selected any of the A/B/C/D it has to display its profession in right side Text box.

Please help me.

Thanks in advance.