أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
A Namespace is used to organize your code and is collection of classes, interfaces, enum, struct, and Delegates. A namespace can contain other namespaces.
For example:
Using System;
Using System.Data;
Using system.Web and Many otheres
Its a logical division of related classes.