Need Study some article about ExtJS/WCF/LINQ

Need Study some article about ExtJS/WCF/LINQ

I like these articles, and I will study them later.

So, I record them in here:

http://www.cnblogs.com/jillzhang/archive/2007/10/14/923926.html http://www.cnblogs.com/jillzhang/archive/2008/06/18/1225018.html http://www.cnblogs.com/jillzhang/archive/2008/08/09/1259489.html http://www.cnblogs.com/jillzhang/archive/2008/08/18/1270681.html