Static Classes in VB.NET

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Can we create a Static Class in VB.NET? If so, please illustrate. Can we derive a new class from Static class?

Posted 2-Jan-12 2:38am

Nara Har

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CPallini · Answer 1 · 2012-01-02T02:44:00

Solution 2

VB.NET Modules are the equivalent of C# Static Classes and no, you cannot derive from a Module (as well as you cannot derive from a C# Static Class).
You may find all the above info better explained inside MSDN documentation.

Posted 2-Jan-12 2:44am

CPallini

MorixAL · Answer 2 · 2013-05-11T02:49:00

Solution 3

You can create static class in vb.net

VB

Friend NotInheritable Class DB
        Public Shared AGE As Integer = 10
    End Class

Using AGE variable in other code

VB

Dim myage As Integer = DB.AGE

Posted 11-May-13 2:49am

MorixAL

Comments

Dave Kreskowiak 11-May-13 10:14am

That's not a "static" class as defined by C#. That's an instance class with a static field in it.

The equivilent of a C# static class is a Module in VB.NET.

MorixAL 11-May-13 10:21am

What about this?
In C# you can put static classes inside static class but in Module you can not put module inside module.
If you define like I wrote you can create classes inside class

Dave Kreskowiak 11-May-13 10:38am

The problem is that you're not making static classes. You're making classes that cannot be inherited from. There two are not the same.

MorixAL 11-May-13 10:47am

If you want to use inheritance you can declare class only with Friend keyword, If have tried and it works

Dave Kreskowiak 11-May-13 10:56am

Uhhh Friend has nothing to do with being able to inherit a class or not. It has everything to do with what code can see it.

Again, you're not making static classes, so all of what you're saying is a moot point.

MorixAL 11-May-13 11:19am

You maybe right Dave,
But tell me what about module inside module?

It's sample, go to http://www.developerfusion.com/tools/convert/csharp-to-vb and write something in c#.
Convert it and you can see that the static class is converted to NotInheritable class.

Dave Kreskowiak 11-May-13 11:34am

Sigh... The converter is making an approximation. NOT a static class.

Shameel · Answer 3 · 2012-01-02T02:40:00

Solution 1

A VB.NET Module is the equivalent of a static class. You cannot inherit from a static class nor can it be inherited from another class.

Posted 2-Jan-12 2:40am

Shameel