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Value Cannot Be Null Dropdownlistfor

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Not the answer you're looking for? Parameter name: source0MVC4 Web API simple parameter types are null-1in Action method dropdownlist parameter instead of getting string value it is getting index value,how to solve it. Why do some banks have more than one routing number in the US? This code is not part of ASP.net: @onchange = "GetSiteid(this.value)" it's javscript. his comment is here

Parameter name: String error0ASP.NET MVC3 checkbox dropdownlist create-1ASP.NET MVC System.ArgumentNullException: Value cannot be null. I am using a General Repository and Unit of Work pattern based off of the tutorial here: http://www.asp.net/mvc/tutorials/getting-started-with-ef-using-mvc/implementing-the-repository-and-unit-of-work-patterns-in-an-asp-net-mvc-application Here is my code for the Repository: public class GenericRepository where TEntity : asked 3 years ago viewed 17383 times active 3 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 4Error in ASP.NET MVC SelectList. Sharepoint 2013: Rest API - does header need to include X-RequestDigest?

Exception Details: System.argumentnullexception: Value Cannot Be Null. Parameter Name: Items

asp.net-mvc-4 nullreferenceexception html.dropdownlistfor share|improve this question asked Nov 7 '12 at 19:55 John Gurski 4626 add a comment| 1 Answer 1 active oldest votes up vote 0 down vote accepted In Parameter name: source in Asp.net Hot Network Questions Assigning only part of a string to a variable in bash How to reduce the width of the equation in a text paragraph? 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. divinity02 6 217 posts since Oct 2014 Community Member Download File from Database using phph Last Post 12 Hours Ago I tried this code But does not download File while ($row

  • Parameter name: items”1Value cannot be null.
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  • Will I get the same result if I use 18-55mm lens at 55mm (full zoom) and 55-200mm lens at 55mm (no zoom), if not, then why?
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  • Missing } inserted. \int dx = x + C & Why were pre-election polls and forecast models so wrong about Donald Trump?

Message Insert Code Snippet Alt+I Code Inline Code Link H1 H2 Preview Submit your Reply Alt+S Ask a Different Web Development Question Related Articles ASP.NET MVC 3 RAZOR ILIST 13 replies Parameter name: items, MVC4 selectList error? Not the answer you're looking for? Value Cannot Be Null. Parameter Name Items Mvc 4 Dropdownlist You then return the view, but have not repopulated the RolesList property, so its null (hence the error).

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Value Cannot Be Null. Parameter Name Items Mvc4 Dropdownlist Someone peeled an American flag sticker off of my truck. How do you enchant items with Lapis Luzuli? TIKZ: foreach not compatible with calc-library?

List selectDepFlight = ViewBag.depList; //Add the following line(s) to cast your list to an enumerable. {"value Cannot Be Null.\r\nparameter Name: Items"} What is the point of update independent rendering in a game loop? ViewBag.ActiveCompanies = new SelectList(someValues, "ID", "Name"); ... } @Html.DropDownListFor(x => x.CompanyID, ViewBag.ActiveCompanies as SelectList, "Your placeholder", new{@class = "class-name"}) share|improve this answer answered May 18 '15 at 15:40 Joe 807813 add Start a coup online without the government intervening Why were pre-election polls and forecast models so wrong about Donald Trump?

Value Cannot Be Null. Parameter Name Items Mvc4 Dropdownlist

Try our newsletter Sign up for our newsletter and get our top new questions delivered to your inbox (see an example). Remove the try/catch blocks and let the framework handle this until you understand more about handling errors (a default error page will be displayed) and change the code to [HttpPost] [ValidateAntiForgeryToken] Exception Details: System.argumentnullexception: Value Cannot Be Null. Parameter Name: Items Can you dispel a magic effect you can't perceive? Value Cannot Be Null. Parameter Name Value Asp.net Mvc Using the eval command twice Polyglot Anagrams Cops' Thread Calculating ...5(5+4(4+3(3+2(2+1(1))))) What is the common, normally open, normally closed?

Browse other questions tagged asp.net asp.net-mvc view controller dropdownlistfor or ask your own question. this content Departing from airport before visa is valid, but arriving when it is more hot questions question feed lang-cs about us tour help blog chat data legal privacy policy work here advertising When seeing the model definition, thing that immediately comes into the mind is Required attribute of the Districts collection. But in the Edit view, when it comes to the SelectListItems you're using Model.UnitedStatesStates instead of Model.lead.UnitedStatesStates. Value Cannot Be Null. Parameter Name Source In Mvc

US Election results 2016: What went wrong with prediction models? Reply v2kea60 Member 137 Points 174 Posts Re: DropDownListFor throwing parameter name cannot be null exception Sep 24, 2014 05:58 PM|v2kea60|LINK This was solution: @Html.DropDownListFor(p=>Model.AreaWorked,Model.AreaWorked,new{id="AreawWorked"}) ‹ Previous Thread|Next Thread › This Value Cannot be null, parameter name: items7MVC4 TDD - System.ArgumentNullException: Value cannot be null.2Getting “Value cannot be null” exception with CheckBoxListFor Extension0Structuremap and base controller in MVC4: Value cannot be null1System.ArgumentNullException: weblink Parameter name: items (in Dropdown List) ASP.NET MVC5 Hot Network Questions Basic Geometric intuition, context is undergraduate mathematics Can a president win the electoral college and lose the popular vote How

Can I sell a stock immediately Previous examples of large scale protests after Presidential elections in US? Dropdownlistfor Allow Null Will I get the same result if I use 18-55mm lens at 55mm (full zoom) and 55-200mm lens at 55mm (no zoom), if not, then why? Should I report it?

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Jun 8 '13 at 3:19 1 @stom The modelbinder takes those values and attempts to match them up to properties in the model class, if a model is used in Reply v2kea60 Member 137 Points 174 Posts Re: DropDownListFor throwing parameter name cannot be null exception Sep 24, 2014 05:57 PM|v2kea60|LINK Ok thanks, that's what I did wrong, I was not Is adding the ‘tbl’ prefix to table names really a problem? System.argumentnullexception Value Cannot Be Null. Parameter Name Items Mvc current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list.

So in order to avoid exception just set this property again: // If we got this far, something failed, redisplay form var districts = repository.GetDistricts(); ViewBag.Districts = districts; return View(model); Update. Otherwise click the Back to List hyperlink."); lead.Timestamp = databaseValues.Timestamp; } catch (DataException) { //Log the error (add a variable name after Exception) ModelState.AddModelError(string.Empty, "Unable to save changes. Reply RichardY Contributor 6604 Points 1899 Posts Re: DropDownListFor throwing parameter name cannot be null exception Sep 24, 2014 04:24 PM|RichardY|LINK The dropdownlistfor helper uses the name of the model property check over here Problem with function inside brackets.

I inserted a comment below to show the line that the error is being thrown from): @model SolarToolbase.Models.Lead @using (Html.BeginForm()) { @Html.ValidationSummary(true) @Html.HiddenFor(model => model.lead.LeadID) @Html.HiddenFor(model => model.lead.Timestamp)

@Html.LabelFor(model Key 11 (DistrictID) has the value of my districtid but Key 12 (Districts) gives an error: "The district field is required". –nielsv Aug 21 '13 at 14:28 @niels123, error Is there a way to block an elected President from entering office? Start a coup online without the government intervening more hot questions question feed default about us tour help blog chat data legal privacy policy work here advertising info mobile contact us

Parameter name: items 0 LastMitch 3 Years Ago Value cannot be null. Why do you have a dropdownlist binding to a property Campaign which does not even appear to exist (and is excluded by your [Bind" attribute anyway). Now i have filled a … No overload takes 0 parameters 1 reply Background: My store procedure 'GetAtdRecord_Sp' to optionally accept parameter 'EmplID' otherwise default value is null. Two-way high power outdoor Wi-Fi Find the rate of change at a point on a polynomial Single word for the act of being susceptible?

Departing from airport before visa is valid, but arriving when it is How does Gandalf end up on the roof of Isengard? Parameter name: items1StringBuilder Value cannot be Null ASP .NET MVC41Post parameter gets null value mvc4 web api0MVC4 - Value can not be null. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed public ActionResult Create(SkillSetsModel model) –Canvas Sep 15 '15 at 12:22 | show 4 more comments 2 Answers 2 active oldest votes up vote 1 down vote The reason for the error

Actually, the dump occurs only in the server. Straight line equation more hot questions question feed lang-cs about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Try again, and if the problem persists contact your system administrator."); } // Return View if Model State is not valid return View(lead); } The POST Edit ActionResult includes code to US Election results 2016: What went wrong with prediction models?

Rather than ViewData or Viewbag0Set default value of Kendo dropdownlistfor to 'Selected = true' SelectListItem Hot Network Questions How to reduce the width of the equation in a text paragraph? Sharepoint 2013: Rest API - does header need to include X-RequestDigest? How does Gandalf end up on the roof of Isengard? Symmetric group action on Young Tableaux Two-way high power outdoor Wi-Fi Build me a brick wall!

But DropDownListFor has no parameter for name. Why were pre-election polls and forecast models so wrong about Donald Trump? How can I claim compensation?