Yesterday afternoon, I went to listen to Microsoft's lectures. The lecturer is the MVP of Microsoft's Chinese community. Talking about the application of smart clients, some concepts of Application Block, feeling that it is a way to pack our things as a method, which may be more convenient Bar. Yesterday I heard the most important example, SQL injection only said a little, I can only know that I have entered some illegal characters in the text box, not very clear, no In case, there is a buffer overflow written by c , it feels good, finally knows about it, it is to cover the memory area where the password is located in the memory area, but I still don't quite understand this memory. Because his example is direct to the address with a pointer. . .