HElp me In my Problem in VB.NET..

[Hisouka]

DBase = 'MYDB'
User = 'Hisouka'
Password = '1234'
HEre is my Table in SQL Server

Table1 Table2
Table3
abs NULL
PRIMARY
aaa aaa
Primary 1.1
zzz bbb
Primary 1.2
bbb 1234
SECONDARY
ccc zzz
Secondary 1.1
ddd abs
Secondary 1.2

If Record in Table2 is not exist in column Table1 then the Record in
Table3 must be a root node
If Record in Table2 is exist in Table1 then the Record in Table3 must
be a sub node of last root node

Possible list on my Tree View:

PRIMARY
Primary 1.1
Primary 1.2
SECONDARY
Secondary 1.1
Seconday 1.2
Thanks
Aprreciation if solved..