Classes and Namespace

Newbie question. When you create a Class in Visual Studio I right-click the 'AppCode' folder, select 'Class' and name the class "Customers". It throw the Customers.vb file in my 'AppCode' folder. Great.

Here's my question? When you create a Class file, such as "Customer.vb" does the NameSpace have to MATCH or can it be name differently?

I've been doing some research on naming convensions and what I've found online says that your namespace should be something like this:

CompanyName.Customers.DataLayer

If that's the case, should my Class file be renamed from "Customers.vb" to "CompanyName.Customers.DataLayer.vb"

Hope this makes sense. I just confused on the correct way to do it and if they need to match. Please help!

.NET ProgrammingVisual Basic ClassicASP.NET

Last Comment

cdemott33

8/22/2022 - Mon

jmwheeler

3/12/2009

No, you do not need to rename your class file. A Namespace is more or less a way to group things for finding them easier. Using the naming convention below you would not rename your class file, just make it look like this:

namespace CompanyName.Customers.DataLayer
{
    public class Customer
    {
        //Your class code
    }
}

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cdemott33

3/12/2009

ASKER

Thank you for your answer. One last question which is related to the subject. Can you have multiple namespaces under the same class file?

cdemott33

3/12/2009

ASKER

... In other words, can I do something like this?

Namespace CompanyName.Customers.DataLayer
    Public Class Customers
         Function goes here... etc. etc.
    End Class
End Namespace
 
Namespace CompanyName.Buyers.DataLayer
    Public Class Customers
      Function goes here... etc. etc.
    End Class
End Namespace

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Your help has saved me hundreds of hours of internet surfing.

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ASKER CERTIFIED SOLUTION

jmwheeler

3/12/2009

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