namespace MvcApplication1.Models
{
    public class Coach
    {
        public  int Id { get; set; }
        public string Name { get; set; }
    }
}

using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web.Mvc;
using System.Web.UI;
using MvcApplication1.Models;

namespace MvcApplication1.Controllers
{
    public class HomeController : Controller
    {
        public ActionResult Index()
        {
            return View(GetCoaches());
        }

        private List<Coach> GetCoaches()
        {
            return new List<Coach>()
            {
                new Coach(){Id = 1, Name = "斯科拉里"},
                new Coach(){Id = 2, Name = "米西維奇"}
            };
        }

        public void ExportClientsListToExcel()
        {
            var grid = new System.Web.UI.WebControls.GridView();

            grid.DataSource = from item in GetCoaches()
                              select new
                              {
                                  編號 = item.Id,
                                  主教練 = item.Name
                              };

            grid.DataBind();

            Response.ClearContent();
            Response.AddHeader("content-disposition", "attachment; filename=Exported_Coaches.xls");
            Response.ContentType = "application/excel";
            Response.Charset = "utf-8";
            Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312"); 
            StringWriter sw = new StringWriter();
            HtmlTextWriter htw = new HtmlTextWriter(sw);

            grid.RenderControl(htw);

            Response.Write(sw.ToString());

            Response.End();

        }

    }
}

@model IEnumerable<MvcApplication1.Models.Coach>

@{
    ViewBag.Title = "Index";
    Layout = "~/Views/Shared/_Layout.cshtml";
}

<table>
    <tr>
        <th>編號</th>
        <th>主教練</th>
    </tr>
    @foreach (var item in Model)
    {
        <tr>
            <td>@item.Id</td>
            <td>@item.Name</td>
        </tr>
    }
</table>

<br/>
@Html.ActionLink("導出到Excel","ExportClientsListToExcel")