Why using should be inside namespace?

What is the purpose of namespace and using statement in C#?

So C# provides a keyword “using” which help the user to avoid writing fully qualified names again and again. The user just has to mention the namespace name at the starting of the program and then he can easily avoid the use of fully qualified names.

Why do we use namespace in C?

The namespace keyword is used to declare a scope that contains a set of related objects. You can use a namespace to organize code elements and to create globally unique types.

What is namespace example?

Prominent examples for namespaces include file systems, which assign names to files. Some programming languages organize their variables and subroutines in namespaces. Computer networks and distributed systems assign names to resources, such as computers, printers, websites, and remote files.

Is namespace necessary in C#?

There is no need to have a namespace. However developer studio expects you to be using a name space. For example, when you choose to add a class to a project developer studio will: Create a file for the class.