I have create table in database name"Group" contains ID,Rank,Name like this:
ID RANK NAME
1 A Main
2 A1 Departments
3 A2 Companies
4 A3 Usres
5 I Invoice
6 T Tools
7 T1 ChangPswd
8 T2 ChangLanguage
how can i make 'A+T'is parent and (A1,A2,A3) is childnode?