Blackie的失敗筆記

在.NET MVC當中一個Controller通常會被對應到URL中並透過該Controller本身具有的Action來作為整個路由(Routing)註冊的樣式，以一個叫做SportController的範例來說可能如下:

通常產生的Controller都會被註冊成上面這樣格式的路由至MVC的路由表中，而當我們的網頁在被使用者透過瀏覽器的URL連結進來的時候，會先檢查MVC的路由表裡面有沒有這樣格式的路由，如果沒有就會再去檢查IIS的路由是否有，如果也沒有就會回傳錯誤訊息404至使用者端。

而當我們想要讓某一個Controller中的Action不要在路由表內被註冊的時候就可以透過NonAction的方式來實現，使用的方式很簡單只要在你的Action上面加上[NonAction]就可以了

• 一般的結果如下:

  

• 加入NonAction之後的如下:

  

這邊可以看到加上NonAction之後就真的不會註冊在MVC Routing Table當中當然就會去詢問IIS，如果IIS也沒有就會拋出404錯誤(這邊被我另外寫的ErrorPage所接收起來)

而MVC Error Page我這邊目前是透過Web.config來設定，如下:

• Web.config

  

• ErrorController

  using System;
  using System.Collections.Generic;
  using System.Linq;
  using System.Web;
  using System.Web.Mvc;
  
  namespace BlackieStudio.Controllers
  {
      public class ErrorController : Controller
      {
          public ActionResult Index()
          {
              return View("Error");
          }
          public ActionResult NotFound()
          {
              Response.StatusCode = 404; 
              return View("NotFound");
          }
          public ActionResult Forbidden()
          {
              Response.StatusCode = 403; 
              return View("Forbidden");
          }
          public ActionResult InternalError()
          {
              Response.StatusCode = 500;
              return View("InternalError");
          }
  
      }
  }
  

• Forbidden.html

  @{
      ViewBag.Title = "Forbidden";
      Layout = "~/Views/Shared/_BootstrapLayout.cshtml";
  }
  
  <div id="brief" class="container">
      <div class="starter-template">
      <h1>@ViewBag.Title</h1>
      </div>
  </div>

• Index.html

  @{
      ViewBag.Title = "Error";
      Layout = "~/Views/Shared/_BootstrapLayout.cshtml";
  }
  <div id="brief" class="container">
      <div class="starter-template">
      <h1>@ViewBag.Title</h1>
      <div class="list-sfs-holder">
          <div class="alert alert-error">
              An unexpected error has occurred. Please contact the system administrator.</div>
          @if (Model != null && HttpContext.Current.IsDebuggingEnabled)
          {
              <div>
                  <p>
                      <b>Exception:</b> @Model.Exception.Message<br />
                      <b>Controller:</b> @Model.ControllerName<br />
                      <b>Action:</b> @Model.ActionName
                  </p>
                  <div style="overflow:scroll">
                      <pre>
                          @Model.Exception.StackTrace
                      </pre>
                  </div>
              </div>
          }
      </div>
      </div>
  </div>

• InternalError.html

  @{
      ViewBag.Title = "InternalError";
      Layout = "~/Views/Shared/_BootstrapLayout.cshtml";
  }
  
  <div id="brief" class="container">
      <div class="starter-template">
      <h1>@ViewBag.Title</h1>
      <div class="list-sfs-holder">
          <div class="alert alert-error">
              An unexpected error has occurred. Please contact the system administrator.</div>
          @if (Model != null && HttpContext.Current.IsDebuggingEnabled)
          {
              <div>
                  <p>
                      <b>Exception:</b> @Model.Exception.Message<br />
                      <b>Controller:</b> @Model.ControllerName<br />
                      <b>Action:</b> @Model.ActionName
                  </p>
                  <div style="overflow:scroll">
                      <pre>
                          @Model.Exception.StackTrace
                      </pre>
                  </div>
              </div>
          }
      </div>
      </div>
  </div>

• NotFound.html

  @{
      ViewBag.Title = "Error";
      Layout = "~/Views/Shared/_BootstrapLayout.cshtml";
  }
  <div id="brief" class="container">
      <div class="starter-template">
      <h1>@ViewBag.Title</h1>
      <div class="list-sfs-holder">
          <div class="alert alert-error">
              An unexpected error has occurred. Please contact the system administrator.</div>
          @if (Model != null && HttpContext.Current.IsDebuggingEnabled)
          {
              <div>
                  <p>
                      <b>Exception:</b> @Model.Exception.Message<br />
                      <b>Controller:</b> @Model.ControllerName<br />
                      <b>Action:</b> @Model.ActionName
                  </p>
                  <div style="overflow:scroll">
                      <pre>
                          @Model.Exception.StackTrace
                      </pre>
                  </div>
              </div>
          }
      </div>
      </div>
  </div>