[Field 3]
Type=RadioButton
Text=mysql
Left=35
Right=80
Top=12
Bottom=25
Group=true
State=1
Flags=NOTIFN

[4] Field
Type=RadioButton
Text=oralce
Left=85
Right=130
Top=12
Bottom=25
Group=false
Flags=NOTIFN

# triad
[5] Field
Type=RadioButton
Text=triad
Left=155
Right=200
Top=12
Bottom=25
State=2
Group=true
Flags=NOTIFW

# WS
[6] Field
Type=RadioButton
Text=WS
Left=205
Right=250
Top=12
Bottom=25
Group=false
Flags=NOTIFW

How to group the RadioButton?