how call function on control with action link

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MVC

Hi
I am using the web Grid. I want to define an action link information from the control function that I define the show.
For example, shiw 20 . But want the function of the control value of 20 Show
this show table
id count_pic name
1 20 ali
2 25 saeed
3 50 jan

i want count_pic call function on control

  [HttpGet]
public ActionResult countpic(int? page)
{
  var model = db.gallerys.Where(x=>x.ID_GGallery==page).Count();

  return View(model);
}

grid.Column(
              "test",
                        (grid.SortColumn == "test" ? (grid.SortDirection == SortDirection.Ascending ? " ▼" : "▲") : ""),
         format:
         @<text>
                 
             @Html.ActionLink("my function",
                                 "countpic", "Gallery", new { id = item.ID_GGallery }, null)
                         
         </text>,   style: "IDWith"),