mvc simple issue ?

Question

Hi

 

 I am trying gridview sort of thing in MVC everything is fine but issue is when i click on edit on particular row the row no should be passed to the editing method . But when i clicking edit on particular row its returing me null to controller which have method EDIT with id as parameter ? i am confused

 

stuck donno what to do ? any suggestions 

 

This link contains what i am trying : CRUD OPERATIONS

 

Regards