listing data in mvc

Question

i create a loop to show a list

<table>
<tr>
<th></th>
<th>TeleGUID
</th>
<th>Screen Name
</th>
<th>Mobile Number
</th>
</tr>
@foreach (var item in Model)
{
<tr>
<td>
@Html.ActionLink("Edit", "Edit", new { id = item.TeleGUID }) %> |
@Html.ActionLink("Details", "Details", new { id = item.TeleGUID })%>
</td>
<td>
@Html.DisplayFor(modelItem => item.TeleGUID)
</td>
<td>
@Html.DisplayFor(modelItem => item.TeleName)
</td>
<td>
@Html.DisplayFor(modelItem => item.TeleMob)
</td>
</tr>
}
</table>

controller code is

[HttpGet]
public ActionResult UserDetails()
{
UserdbEntities db = new UserdbEntities();
var tasks = from t in db.UserInfoes
select new
{
t.GUID,
t.Name,
t.Mob,
};

return View(tasks.ToList());

but i got an error