Never Mind I figured it out over webgrid group -- here is what I did so that new users are clear - Remember the example below is for datasource that is not a join. ---- here is the update issues stub -- Here i have defined my crud interface this is done in default.py

def update_issues():
    mycrud = Crud(globals(), db)
    return dict(form=mycrud.update(db.issues, request.args(0)),
 

now I've created update_issues.html already while calling this function using {{=form}} Here is the link that calls this function in default.py itself ...

grid.edit_link= lambda row: A('edit', _href= mycrud.url(f='update_issues', args=[row['id']]))

Now when ever I go to the link where I've defined my webgrid component and click edit, I get an editable page for my db. Its so cool.. Finally I thought this could help other novice users.