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?