Problem facing in Entity Framework

Question

The cs file under .edmx not generating code (just display

black template) ..  

// Default code generation is disabled for model 'c:\users\mohit\documents\visual studio 2012\Projects\WebApplication3\ClassLibrary1\Model1.edmx'. 

// To enable default code generation, change the value of the 'Code Generation Strategy' designer

// property to an alternate value. This property is available in the Properties Window when the model is

// open in the designer.

It Just Showing this .. its not showing the code ... Tried a lot ..plz help me