使用实体框架（EF）时如何查找通过ODAC发送到Oracle数据库的查询

I am using Oracle ODAC for EntityFramework. I am trying to develop a sample silverlight application using entityframework. I have add my domainservice through which I am publishing my entities. I am UI's code behind file. I have written the following code.I am using Oracle ODAC for EntityFramework. I a