Collect the answers，interested friends from research。
1，Interface and Abstract difference?
2，Generic type' s 'where' keyword?
3，What's the kind of wcf binding
4，What's reflection?
5，Design pattern（Singleton，Factory）？
6，Delegate and Event difference？
7，The way of asp.net passing parameter？
Session
Cookie
ViewState
Request
...
8，The method of asp.net jump pages？
9，What are the database object？
SqlConnection
SqlCommand
SqlAdapter
SqlTransaction
SqlDataReader
...
10，using(T)，which interface the 'T' should be inheritance ?
IDispose
11，Override and Overload difference?