Redirect page in c# not working

Question

 

 farmermanagement.aspx page

 

 i have gridveiw as follows

 

 

    id            Name        Dateofbirth    GovCode     Action

 

  54041       BEH SOUN    1/1/1977           419037X        Edit   Delete

  54042     ABOUD        9/5/1978            419037X       Edit    Delete

 

 When i click edit it need redirect to another page farmermaster.aspx. 

 

 But when i click the edit it does not redirect to another page farmermaster.aspx. it will stays in farmermanagement.aspx page only.

 

 Edit code as follows

 

protected void onCommand(object sender, CommandEventArgs e)
{ 

    if (e.CommandName == "Edit")
      {
  Response.Redirect("~/ivorycoast/farmermaster.aspx?action=edit&farmercode=" +   e.CommandArgument.ToString() + "", false);
  HttpContext.Current.ApplicationInstance.CompleteRequest();
      } 

} 

 

what is the mistake in my above code. what changes i have to made in my above code. shows that when i click the edit it will redirect to  farmermaster.aspx