binding - How to edit the bind data in GridView using asp.net MVC? -

i have bind data using grid in asp.net mvc3. have problem in edit link in bind table. if click on edit link it's not responding. here's have:

teacher.cs

public class teacher {     public static list<teacher> getlist { get; set; }      public int  t_id { get; set; }     public string t_name { get; set; }     public string t_address { get; set; }     public string sub_id { get; set; }     } 

teachercontroller

public actionresult edit(int id,string t_name,string t_address,string sub_id) {     // teacher list= new teacher();     var edit = editlist();     //list.t_id = convert.toint32(t_id);     return view(edit);    }  [httppost] public actionresult editlist() {      var editlist = new list<teacher>();     using (sqlconnection conn = new sqlconnection(@"integrated ecurity=sspi;persist security info=false;initial catalog=demo;data source=cipl41\sqlexpress"))     {          conn.open();         var modeledit = new teacher();         sqlcommand cmd = new sqlcommand("edit", conn);         cmd.commandtype = commandtype.storedprocedure;                        cmd.parameters.addwithvalue("@t_id", modeledit.t_id);         cmd.parameters.addwithvalue("@t_name", modeledit.t_name);         cmd.parameters.addwithvalue("@t_address", modeledit.t_address);         cmd.parameters.addwithvalue("@sub_id", modeledit.sub_id);         cmd.executenonquery();         conn.close();enter code here          editlist.add(modeledit);     }     return view(editlist); } 

this html code:

index.cshtml:

@model ienumerable<mvcapplication1.models.teacher>  @{ viewbag.title = "index"; }  <h2>index</h2> <p>      @html.actionlink("create new", "create")  </p> <table> <tr>     <th></th>     <th>         t_id     </th>     <th>         t_name     </th>     <th>         t_address     </th>     <th>         sub_id     </th> </tr>   @foreach (var item in model) { <tr>     <td>         @html.actionlink("edit", "edit", new { id=item.t_id}) |         @html.actionlink("details", "details", new { id=item.t_id }) |         @html.actionlink("delete", "delete", new { id=item.t_id})     </td>     <td>         @item.t_id     </td>     <td>         @item.t_name     </td>     <td>         @item.t_address     </td>     <td>         @item.sub_id     </td> </tr> 

}

 **edit.cshtml:**     @model mvcapplication1.models.teacher  @{ viewbag.title = "edit"; }     <script src="@url.content("~/scripts/jquery.validate.min.js")" type="text/javascript">     </script> <script src="@url.content("~/scripts/jquery.validate.unobtrusive.min.js")" type="text/javascript"></script>  @using (html.beginform()) { @html.validationsummary(true) <fieldset>     <legend>teacher</legend>      <div class="editor-label">         @html.labelfor(model => model.t_id)     </div>     <div class="editor-field">         @html.editorfor(model => model.t_id)         @html.validationmessagefor(model => model.t_id)     </div>      <div class="editor-label">         @html.labelfor(model => model.t_name)     </div>     <div class="editor-field">         @html.editorfor(model => model.t_name)         @html.validationmessagefor(model => model.t_name)     </div>      <div class="editor-label">         @html.labelfor(model => model.t_address)     </div>     <div class="editor-field">         @html.editorfor(model => model.t_address)         @html.validationmessagefor(model => model.t_address)     </div>      <div class="editor-label">         @html.labelfor(model => model.sub_id)     </div>     <div class="editor-field">         @html.editorfor(model => model.sub_id)         @html.validationmessagefor(model => model.sub_id)     </div>      <p>         <input type="submit" value="save" />     </p> </fieldset> }  <div> @html.actionlink("back list", "index")