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Value Cannot Be Null. Parameter Name Items Select List


The error you are seeing is due to the nature of working with HTTP - anything that is not directly bound to an input is not retained. What is a satisfactory result of penetration testing assessment? But still, the best way to understand what goes wrong is just to debug the method. –Andrei Aug 21 '13 at 12:59 I checked the method and the modelstate Of course..... check over here

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Value Cannot Be Null. Parameter Name Items Mvc4 Dropdownlist

asp.net asp.net-mvc view controller dropdownlistfor share|improve this question edited Feb 21 '14 at 21:40 Chris Schiffhauer 9,39194466 asked Aug 21 '13 at 12:23 nielsv 4171243100 Exception is thrown only Dump trace: Value cannot be null. But still, the best way to understand what goes wrong is just to debug the method. I'm Googling this for few hours now with no results...

  • Parameter name: items Aug 27, 2012 11:27 PM|kvh|LINK In Firefox and Chrome I am getting error "Value cannot be null.
  • Polyglot Anagrams Cops' Thread Forcing everyone to speak the same language QGIS Print composer scale problems Writing a singleton as a countable intersection Find the "unwrapped size" of a list Someone
  • I'm not familiar with Java.
  • Whatever value you provide is going to be used to generate html in the form of a select list, which doesn't support null.
  • That's why I ask you does it work.
  • up vote 0 down vote favorite i recently had the dropdownlist working and everything was fine but for some reason it is now throwing value cannot be null exception.
  • Can you show me the changed code Member 10740412 3-Nov-15 7:13am public ActionResult Edit(int id) { UserDTO user = new UserDTO(); //USER user = database.USERS.Find(id); //return View(user); user.UserID =
  • Related 4Error in ASP.NET MVC SelectList.

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where did you change to user_id. Value Cannot Be Null. Parameter Name Source In Mvc What do I do? Now show me how do you call Edit action from your view. Value Cannot be null, parameter name: items3MVC3 Passing Model to Controller - Receiving Null values0Error “Value cannot be null.

And standard is the first selected ... –nielsv Aug 21 '13 at 16:23 | show 6 more comments Your Answer draft saved draft discarded Sign up or log in Sign Value Cannot Be Null. Parameter Name Value C# Parameter name: items foreinkey in grid Kendo2Deleting entries in DropDownList causes “Value cannot be null. Find exactly where it fails (and doing that you'll probably resolve it yourself). Those values are not carried through to the POST action (when the form is submitted) since they are not bound to a form element. –Tieson T.

Value Cannot Be Null. Parameter Name Source In Mvc

Value Cannot be null, parameter name: items40Value cannot be null. Parameter name: items Feb 25, 2014 06:23 AM|ignatandrei|LINK add ViewBag.empnames = empnames; on HttpPOst also .NET Teacher | .NET Videos 5 minutes Reply Nivya Member 3 Points 6 Posts Re: System.ArgumentNullException: Value Cannot Be Null. Parameter Name Items Mvc4 Dropdownlist Parameter name: items View code: @Html.DropDownListFor(model => model.SiteId, new SelectList(ViewBag.ListSiteClass, "SiteId", "SiteName"), "", new { @onchange = "GetSiteid(this.value);" }) Controller Code: [HttpPost] public ActionResult Create(ServiceDTO ms, FormCollection form) { if (ModelState.IsValid) Exception Details: System.argumentnullexception: Value Cannot Be Null. Parameter Name: Items Also consider utilizing ViewModels and not the Model itself.

Reply kvh Member 52 Points 110 Posts Re: Value cannot be null. http://rinfix.com/value-cannot/value-cannot-be-null-parameter.html I mention this alot of time but it seem you don't understand what I am talking about. @Html.DropDownListFor(model => Model.SiteId, new SelectList((IEnumerable)ViewBag["ListSiteClass"], "SiteId", "SiteName")) Try this it will see which is public class UserHandler { PriviligeContext db = new PriviligeContext(); public List GetData() { var query = from u in db.Users select new UserDTO { UserName = u.Username }; return query.ToList(); In my Model: public int SiteId { get; set; } 0 Discussion Starter ryan311 -7 3 Years Ago How does this function works: new { @onchange = "GetSiteid(this.value);" }