Because you can use it offline.
I told you i have a problem with online things.because i'm using dial up to connect to the internet and you know,I must pay for that and i must not make the phone line busy too.so i can't be online for a long time to read online documentaions.well i'm a student and i'm living with my family so i can't do such a thing.
Now could you help in a proper way?
For Each ctrl As Control In Me.Controls("pnlMainPanel").Controls
If ctrl.GetType Is GetType(System.Windows.Forms.Panel) Then
For Each subCtrl As Control In ctrl.Controls
If subCtrl.GetType Is GetType(System.Windows.Forms.TextBox) Then
If subCtrl.GetType Is ...