Linq - Partial - Static Class - Extension Method
OOP - Ctor - Overriding - Association - Try Catch Finally - Linq
Value Type - Reference Type - Ref - Out - Params - Array - Array List - Generic List - OOP
For - While - Do While - Array - Foreach - Method - Break - Continue - Const
DateTime - PersianCalendar - Random - Guid - If Else - Switch