. NET Framework and the C # language Foundation

The main content of the 2..NET framework is clr,fcl,ado. Net,xml,asp.net,winforms and Webserice and so on.

3.CLR is the environment in which all. NET applications run.

There are two main components in 4.CLR: Common type System (CTS), Common Language Specification (CLS).

5.FCL is a treasure, commonly used in the namespace of the class library requires us to learn to master the flexible use.

6. A class diagram is a diagram that represents the structure of a class and its relationship to a class.

Drill down into C # data types:

1. Basic data types, such as Integer, float, character, bool, and struct attribute value types; String, array, interface, and class to reference type.

2. Value types are converted to reference types to be boxed, and vice versa, as unboxing.

3. When the value type data is passed as a value, modifications to it are not preserved, and the value modification is preserved when the reference type parameter is passed as a value.

4. When a reference type or value type parameter is passed as a reference, its worth modification is preserved.

5. Structure is a value type data, can be regarded as a lightweight class, when used can not use the new

. NET Framework and the C # language Foundation