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Value Cannot Be Null. Parameter Name Collection


Thanks a lot :D –mrhands Feb 17 '15 at 1:05 | show 2 more comments up vote 3 down vote Value cannot be null. Answer posted by Dan Letecky [DayPilot] 3 years ago. The following code is my GenerateUserIdentityAsync in UserModel: public async Task GenerateUserIdentityAsync(UserManager manager) { this.SecurityStamp = Guid.NewGuid().ToString(); this.Claims = new List(); ClaimsIdentity userIdentity = await manager.CreateIdentityAsync(this, DefaultAuthenticationTypes.ApplicationCookie);//Exception : Value cannot Parameter name: source] System.Linq.Enumerable.Any(IEnumerable1 source, Func2 predicate) +4083335 System.Data.Entity.Internal.InternalContext.WrapUpdateException(UpdateException updateException) +87 System.Data.Entity.Internal.InternalContext.SaveChanges() +193 System.Data.Entity.Internal.LazyInternalContext.SaveChanges() +33 System.Data.Entity.DbContext.SaveChanges() +20 ... ... http://rinfix.com/value-cannot/value-cannot-be-null-parameter.html

What is the most someone can lose the popular vote by but still win the electoral college? Our Company About Us Contact Us Community Treehouse Stories Student Perks Treehouse Blog Affiliate Program Careers Topics HTML CSS Design JavaScript Ruby PHP WordPress iOS Android Development Tools Business Tracks Web Try it in two steps (and use Any instead of FirstOrDefault since you're just checking for a non-null result): bool isInGroup; var q = (from r in sound.LocationGroups where r.Id == Are keywords in resolv.conf case sensitive?

Value Cannot Be Null. Parameter Name Source In C#

Parameter name: source in MVC listbox40Value cannot be null. The point I was making was extending on yours, eliminate the possibility of nulls –Paul McCowat Aug 22 '12 at 20:50 What's with the first argument of the UserViewModel I guess you must be calling it from some other view. is user_id working fine?

  1. share|improve this answer answered Mar 3 at 8:15 Barrie 8741120 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up
  2. Parameter name: String at System.Number.StringToNumber (System.String str, NumberStyles options, System.NumberBuffer& number, System.Globalization.NumberFormatInfo info, Boolean parseDecimal) [0x00054] in /builddir/build/BUILD/mono-4.2.1/external/referencesource/mscorlib/system/number.cs:1080 at System.Number.ParseInt32 (System.String s, NumberStyles style, System.Globalization.NumberFormatInfo info) [0x00014] in /builddir/build/BUILD/mono-4.2.1/external/referencesource/mscorlib/system/number.cs:751 at System.Int32.Parse
  3. up vote 8 down vote favorite 3 I don't know why I get this kind of error.
  4. Start a coup online without the government intervening Is calling a function with local side-effects twice in the same expression undefined behavior?

where did you change to user_id. And if I open my application it would stuck in that code. Parameter name: collection Visual Studio Languages , .NET Framework > Visual C# Question 0 Sign in to vote I got a unhandled exception from Office Word 2003 when I run my Value Cannot Be Null Parameter Name Input None 0 Points 2 Posts Please Help me to resolve this Error -- Value cannot be null.

Attachments: ImageUploadError.png Top Tue, 09/23/2014 - 19:02 #2 loxlie Joined: 22/09/2014 Posts: 2 Solved Just in case any one else has this error (I did), it comes from forgetting to adda General FAQ Ask a Question Bugs and Suggestions Article Help Forum Site Map Advertise with us About our Advertising Employment Opportunities About Us Ask a Question All Questions All Unanswered FAQ Parameter name: value0Value cannot be null, r nparameter name source Hot Network Questions Does Intel sell CPUs in ribbons? Try this @Html.ActionLink("Edit", "Edit", new { [email protected] }) Member 10740412 3-Nov-15 11:32am I tried but it didn't work Member 10740412 3-Nov-15 11:33am fhdgfdfsjdsjfjsd Member 10740412 3-Nov-15 11:49am

Reply vincentryan1... Value Cannot Be Null C# Member 10740412 3-Nov-15 11:26am how can i send you project John C Rayan 3-Nov-15 11:29am give me your email and I send you my email. All rights reserved. Parameter name: source0Linq Query returning null parameters when selecting whole table0How to solve IEnumerable Value cannot be null.

Value Cannot Be Null. Parameter Name Value

Related 213How would you do a “not in” query with LINQ?259How to use LINQ to select object with minimum or maximum property value117Searching if value exists in a list of objects You should start from Tools.ToolConvert.GetMetadata method and check when it returns null. Value Cannot Be Null. Parameter Name Source In C# I tried using a guid and putting it as the securitystamp but I keep getting this damn exception anyway. –ObedMarsh Nov 20 '14 at 13:53 1 Thank you for this. Value Cannot Be Null. Parameter Name Value C# Sinisa Hajnal 3-Nov-15 2:56am Set a breakpoint and debug.

At a guess, you'll need something like this: check my blog I switched to the version you recommended and all is well. How can I save a file to a new location from inside Vim? Where does it come from and have you ensured that it is not null? –Darin Dimitrov Aug 22 '12 at 20:51 | show 2 more comments 1 Answer 1 active oldest Value Cannot Be Null Parameter Name String

Parameter name: controlId Authentication error: Key cannot be null. Parameter name: source in linq? Once I did that and did a update-database -force, I was able to log in just fine. this content Mimsy were the Borogoves - why is "mimsy" an adjective?

z o.o. Value Cannot Be Null Parameter Name Name Build me a brick wall! I can't see it anywhere.

I downloaded this version and the error has now stopped happening.

Assigning only part of a string to a variable in bash What episode of Star Trek is this creature on? namespace DayPilotCalendarMvc3.Controllers { public class ScheduleController : Controller { ///

/// Default view /// /// public ActionResult Index() { return View(); } /// /// DayPilot backend /// mvc lite Replies Dave, what's the version of DayPilot you are using? Value Cannot Be Null. Parameter Name Path1 What is the point of update independent rendering in a game loop?

Also check asi.GetAdmissionNo() has any arguments. share|improve this answer answered Aug 11 '14 at 1:35 Guy Lowe 1,013920 add a comment| up vote 2 down vote just as an FYI, somebody may find it useful. Parameter name: source] at Program.Main(): line 11 Here in your case ListMetadataKor is null. have a peek at these guys BALAJI Reply navsmca Member 80 Points 25 Posts Re: Please Help me to resolve this Error -- Value cannot be null.

Not the answer you're looking for? The errors I was seeing are as follows: Case 1 -> when using DBContext for EDM Message=Value cannot be null. It would be good to get a pro trial version that works with MVC 4 as I need to evaluate the scheduler more than the calendar. Is there anything specific you would like me to do if I believe I find an issue or should issues relating to sandbox versions be posted to this forum?

Find exactly where it fails (and doing that you'll probably resolve it yourself). Parameter name: collection Developed very simple example following the online samples and downloadable projects. Limit computation technology in a futuristic society Furniture name for waist-high floor-sitting shelf cabinet thing Solving a discrete equation Find the rate of change at a point on a polynomial TSA Member 10740412 3-Nov-15 9:35am Edit View..... @model SampleWeb.Models.UpdateUser @{ ViewBag.Title = "Edit"; } @using (Html.BeginForm("Edit", "User", FormMethod.Post)) { @Html.ValidationSummary(true)

User Details @Html.Partial("_userDetailsEdit",