Is it best practice for a namespace to have the same name as the project in which is it found in?

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Say I have the following structure in my solution:

MySolution -> ProjectA -> ClassA.cs

By defualt, the name of the first namespace in project ProjectA is ProjectA.

namespace ProjectA
{
    public class ClassA
    {
        // body
    }
}

Is it best/common practice for the name of the first namespace, within a project, to have the same name as the project in which it is found in?

Or should I change the defualt name of the first namespace?

What I have tried:

An answer from an experienced C# developer in Visual Studio is sought here.

Posted 5-Oct-21 18:34pm

CBennigton

Updated 5-Oct-21 20:18pm

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OriginalGriff · Accepted Answer · 2021-10-05T19:59:00

Solution 1

It's good practice - it makes it a lot easier to work out where the namespace is when you look at a complex project with both many projects, and / or many references.

Posted 5-Oct-21 19:59pm

OriginalGriff

Comments

CBennigton 6-Oct-21 3:02am

Are you saying "it's good practice" for the name of the first namespace, within a project, "to have" the same name as the project in which it is found in?

Or that "it's good practice" for the name of the first namespace, within a project, "to NOT have" the same name as the project in which it is found in?

Sorry, seeing as how I included two questions in my post I wanted to know which one you were agreeing with.

CHill60 6-Oct-21 3:47am

I imagine OG was replying to the question in your header - i.e. it is good practice

TheRealSteveJudge · Accepted Answer · 2021-10-05T20:18:00

Solution 2

Maybe you should read this concerning namespaces:
Namespaces | 2,000 Things You Should Know About C#[^]

and this:
The 9 Coding Standards C# Developers Need to Get Started[^]

Especially "7. Code File Organization" might be interesting for you.

In order to get a feeling about how to use namespaces please have a look at some GitHub projects e.g. https://github.com/JamesNK/Newtonsoft.Json[^]

Posted 5-Oct-21 20:18pm

TheRealSteveJudge

Updated 6-Oct-21 20:33pm

v2

Comments

CBennigton 6-Oct-21 3:01am

The first link was alright but the second link was much more explicit with answering my question. thanks.

TheRealSteveJudge 6-Oct-21 5:40am

You're welcome! But why did you not accept the answer?

CBennigton 6-Oct-21 16:46pm

For sure but after looking into "Namespaces | 2,000 Things You Should Know About" it gave the following statement ---> The highest two levels of namespaces should follow the pattern CompanyName.ProductName or CompanyName.TechnologyName. E.g. Acme.SearchEngine.Logging or Acme.Rendering.3DTools

Is that saying that my project should be called "CompanyName" (thus, the top level namespace being called CompanyName) while the nested namespace should be called (in this case) "ProductName" (e.g. CompanyName.ProductName) or "TechnologyName" (CompanyName.TechnologyName)?

Of course CompanyName, ProductName and TechnologyName are placeholders for a real company name, product name or technology name.

Hope to hear from you soon thanks.

CBennigton 7-Oct-21 0:13am

Any thoughts Steve?

TheRealSteveJudge 7-Oct-21 2:32am

Please see updated solution.