some ploblem of the click action on the row of the grid

In the directory of grid ,there is a named 03_edit.html, in this example , I just added there .

    //  here  is the  codes of  the 03_edit.html

in the example .Consequently,when I click the row of the grid , the example cann’t work .
Why? Please help me ! Friends , please try it in the example.
Any help would be appreciated!