asp.net mvc - Edit URL doesnt contain Id -

i learning mvc

https://www.youtube.com/watch?v=itsa19x4ru0&list=pl6n9fhu94yhvm6s8i2xd6nyz2zord7x2v

doing basic edit operation..index page shows following data ..

emp_id   emp_name    emp_sal     1         name1       sal1    edit | details | delete 

...when click on edit ..url display like

"http://localhost/mvcapplication1/employee/edit"` 

...but accordng tutorial should

http://localhost/mvcapplication1/employee/edit/01 

the map route

  routes.maproute(                 name: "default",                 url: "{controller}/{action}/{id}",                 defaults: new { controller = "home", action = "index", id = urlparameter.optional }             ); 

i have not create edit actionmethod till .

index view code :

@model ienumerable<businesslayer.employee> @{     viewbag.title = "index"; } <h2>     index</h2> <p>     @html.actionlink("create new", "create") </p> <table>     <tr>          <th>             @html.displaynamefor(model => model.emp_id)         </th>          <th>             @html.displaynamefor(model => model.emp_name)         </th>         <th>             @html.displaynamefor(model => model.emp_sal)         </th>         <th>         </th>     </tr>     @foreach (var item in model)     {         <tr>         <td>                 @html.displayfor(modelitem => item.emp_id)             </td>             <td>                 @html.displayfor(modelitem => item.emp_name)             </td>             <td>                 @html.displayfor(modelitem => item.emp_sal)             </td>             <td>                 @html.actionlink("edit", "edit", new { /* id=item.primarykey */ }) |                 @html.actionlink("details", "details", new { /* id=item.primarykey */ }) |                 @html.actionlink("delete", "delete", new { /* id=item.primarykey */ })             </td>         </tr>     } </table> 

please suggest if missing

your actionlink calls don't pass correct route values. edit, details , delete actions expect id parameter passed route value. can follows, assuming emp_id id value want use:

@html.actionlink("edit", "edit", new { id=item.emp_id }) | @html.actionlink("details", "details", new { id=item.emp_id }) | @html.actionlink("delete", "delete", new { id=item.emp_id }) 

in example, have these values commented won't passed route values , no correct route generated.