This ebook is for student and prefessional who want to learn OOP in C# from basic to advance. We have discussed every topic of OOP in C# alonge with examples in this ebook. OOP in C# Classes in C# Static in C# Struct in C# Enum in C# Properties in C# Inheritance in C# Overloading in C# Overriding in C# Base in C# Polymorphism in C# Sealed in C# Interface in C# NameSpace in C# Acces Modifiers in C# Encapsulation in C# Abstract in C#