see why POST data is null

 public int SaveBlah([FromBody] Object blah)
        {
             var jsonString = blah.ToString();
             Blah result = JsonConvert.DeserializeObject<B;ah>(jsonString);
}

if you are getting your json through a get

remember

return Json(result,JsonRequestBehavior.AllowGet);

JSON - A circular reference was detected while serializing an object of type 'System.Reflection

            var result = JsonConvert.SerializeObject(ds, Formatting.Indented,
                          new JsonSerializerSettings
                          {
                              ReferenceLoopHandling = ReferenceLoopHandling.Ignore
                          });
           
            return Json(result,JsonRequestBehavior.AllowGet);

mapping fake routes in MVC

routes.MapRoute(
               "Boris",
               "Boris/Show",
               new
               {
                   controller = "Herby",
                   action = "Index"
               }
           );

Simple MVC Filter

public class TestFilter : ActionFilterAttribute

    {

       public override void   OnActionExecuted(ActionExecutedContext filterContext)

        {

            base.OnActionExecuted(filterContext);

            System.IO.File.AppendAllText(@"c:\log.txt", string.Format("{0}\r\n", filterContext.RequestContext.HttpContext.Request.Url.ToString()));

        }

    }

In global.asax:

  protected void Application_Start()

        {

            AreaRegistration.RegisterAllAreas();

            WebApiConfig.Register(GlobalConfiguration.Configuration);

            GlobalFilters.Filters.Add(new TestFilter());

            FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);

            RouteConfig.RegisterRoutes(RouteTable.Routes);

            BundleConfig.RegisterBundles(BundleTable.Bundles);

        }

is your app

skinnable?

Downloading Files in MVC where excel is not actually opened

I inherited from FileResult and it did not download - even though I set download name

I did this and it works

     public FileResult DownloadTextAsAFile(string data, string name)
        {
        string fileName = string.Format("{0}.csv", name);
        byte[] bytes = System.Text.Encoding.UTF8.GetBytes(data);
        return new FileContentResult(bytes, "application/vnd.ms-excel") { FileDownloadName = name };
        }

Could not load type MvcApplication

just restarted VS

C# MVC Interview Questions

• what is the vital difference between standard aspx requests and MVC requests?
• does mvc correspond to 3-tier architecture?
• why would a route need the following:
•       SessionState = System.Web.SessionState.SessionStateBehavior.ReadOnly
• when does the routing table get initiated?(application start event)
• what is the purpose of areas?
• can an mvc application have plain asp.net pages?
• can you use httpModules in MVC? 

Anti-Forgery Tokens

here

mvc http 500 errors

check the passed parameters - the procedure will never be hit

MVC Routes

products/5 and products?id=5 are equivelent

Get IE to display JsonResult instead of prompt to download

return Json(bm, "text/html", JsonRequestBehavior.AllowGet);

Html.ValidationSummary always showing

added this to fix

   <style type ="text/css">
    .validation-summary-valid { display:none; }
    </style>

[ControllerAction] deprecated and illegal

use [NonAction] instead

inserting partial views

<% Html.RenderPartial("heh"); %>

Parser Error Message: The type 'System.Web.Mvc.ViewPage' is ambiguous

fixed it thus:

<runtime>

    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">

      <dependentAssembly>

        <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35"/>

        <bindingRedirect oldVersion="2.0.0.0" newVersion="4.0.0.0"/>

      </dependentAssembly>

    </assemblyBinding>

  </runtime>

also, look here.

New Razor @ Syntax

here

New Syntax for embedded html encoded text

<%:

Difference Between ViewBag & ViewData

Controller

[HttpGet]

        public ActionResult HerbyList()

        {

            HerbyModel hm = new HerbyModel();

            ViewData["HerbyList"] = hm.Herb;

            ViewBag.HerbyList = hm.Herb;

            return View();

        }

 View

//   this.GridView1.DataSource = (DataTable)ViewData["HerbyList"];

            this.GridView1.DataSource = ViewBag.HerbyList;

            this.GridView1.DataBind();