C# Training Milestones

when u need to learn C#
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ok about basics. there are unlimited facts about a language .. just make sure that you practically know Inheritance, Abstract Class, Interface, Virtual members, Abstract Members,
Loop conditions(for loop, while loop, foreach loop, do while loop),
If Else statement, Switch Case Statement,
What are TYPEs, Enumeration,
variable declaration,
Delegates, Events,
Generics,
Linq, primitive types(i.e char, bool, string, int, long, float, double, decimal etc etc),
operators(i.e +, -, =, ++, -- etc etc ) ,
comparison operators(=, <, >, <>, !, !=, <=, >= etc etc) , custom types(like your own classes, enums, delegates),
basic string manipulation(i.e take substring, count characters, iterate character by character, joining etc ), using collections(Array, List, HashTable, array list), iterating over a collection, finding data.