. Net generally refers to. NET Framework, which provides basic. Net classes which can be used by any. Net class.Programming Language. Netframework also provides basic functions such as CLR, JIT, and GC.
ASP. NET is a Web Development Technology in. net. The pages of ASP. NET are written in Aspx. File, logicCodeGenerally, code-behind is written in C #, VB. NET, and other languages that support. net.
C # is the most widely used programming language that supports. net. Besides C #, VB. NET, ironpython, and so on.
Visual Studio is provided by Microsoft. the integrated development environment (IDE) developed by. net. Using Visual Studio can simplify a lot of work, without the need for Program to directly call command lines such as csc.exe for program compilation, in addition, Visual Studio provides functions such as automatic Code Completion and code highlighting to facilitate development. In addition to Visual Studio, there are free and open-source ides such as sharpdevelop and monodevelop, and the free version of visualstudioexpress.