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Value Cannot Be Null In Asp.net

share|improve this answer edited Jan 18 at 9:11 answered Apr 29 '13 at 14:32 Martin Mulder 8,23721037 2 This solved the problem to me, I suspect this is the solution in expression 1 Property containing subset of related object Related 0Value cannot be null, parameter name: source1LINQ Entity Framework Value cannot be null. Parameter name: items”1ASP.NET MVC 5 Data is NULL0System Exception: error0“Value cannot be null or empty. Parameter name: items Description: An unhandled exception occurred during the execution of the current web request. http://rinfix.com/value-cannot/value-cannot-be-null.html

Already have an account? Parameter name: source at System.Linq.Enumerable.Any[TSource](IEnumerable1 source, Func2 predicate) Case 2 -> when using ObjectContext for EDM Message=Unable to update the EntitySet 'Contact' because it has a DefiningQuery and no element exists Parameter name: items foreinkey in grid Kendo2Deleting entries in DropDownList causes “Value cannot be null. Parameter name: provider at Microsoft.Data.Entity.Utilities.Check.NotNull[T](T value, String parameterName) at Microsoft.Data.Entity.Query.Internal.EntityQueryable`1..ctor(IAsyncQueryProvider provider) at Microsoft.Data.Entity.Query.ExpressionVisitors.Internal.NavigationRewritingExpressionVisitor._CreateEntityQueryable[TResult](IAsyncQueryProvider entityQueryProvider) cda-1 changed the title from "ArgumentNullException: Value cannot be null." error occurs when accessing certain navigation properties

The creator of this fault did not specify a ReasonCannot access main SQL database during NPM 10.6 installationCannot add AD security group - Error: Cannot add new nodes after Unable to determine the DbProviderFactory type for connection of type 'System.Data.SqICIient.SqIConnection'Database Configuration Failed: Cannot delete user 'XXX'. The exception occurs only when the subclass implements the collection-navigation property. Apparently it chokes when Claim.Value is null. –Sam Mar 6 '15 at 18:23 That's the Jam right there. –dps Aug 13 '15 at 17:27 add a comment| up vote

SpecialCustomerId { get; set; } public SpecialCustomer SpecialCustomer { get; set; } } public class SpecialCustomer : Customer { public string SomethingSpecial { get; set; } public List Customers { get; What am I doing wrong? in web.config put custon error mode="Off" so u will get the real reason for ur error. The installation type of previous version doesnot match the installation type of this installerA WMI Polled Node is showing 0 value for CPUBackground upgrade for interfaces cannot completeBackup and restore reportsBackup

Is calling a function with local side-effects twice in the same expression undefined behavior? According to the ISP the problem is that, despite I removed the local connection string, the application is "is still trying to connect SQL Express". Parameter name: source Source Error: Line 6: Line 7: Line 8: if (Model.Any(x => x.Minha.Count() == 0 && x.Aravit.Count() == 0 && x.ShaharitA.Count() == 0 Line 9: && x.ShaharitB.Count() == 0)) Previous examples of large scale protests after Presidential elections in US?

Sharepoint 2013: Rest API - does header need to include X-RequestDigest? By continuing to use our website, you consent to our use of cookies. As a monk, can I use Deflect Missiles to protect my ally? Parameter name: source” 1 How should I handler bool?

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 I was banging my head against the wall trying to figure out why the SignInManager wasn't working correctly. Calculating ...5(5+4(4+3(3+2(2+1(1))))) Find the "unwrapped size" of a list Does Intel sell CPUs in ribbons? 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” -2 Value cannot be null. check my blog Parameter name: navigation #5246 Sign up for free to join this conversation on GitHub. Error: The host name could not be parsedExport/Import custom property valuesExtra creds shown in SNMPv3 drop down after upgrade to NPM 12Extra space added to C Drive is not recognized by Parameter name: items (DrodownList) up vote 4 down vote favorite I'm working with ASP.NET MVC4 and now I want to add a dropdownlist with data from my mysql database.

Parameter name: value return userIdentity; } An exception has occurred in CreateIdentityAsync method with the following stack trace ArgumentNullException: Value cannot be null. Terms of UseSite FeedbackPrivacy Policy Powered by Progress Sitefinity This application requires Javascript to be enabled. Reply MetalAsp.Net All-Star 101939 Points 20711 Posts Moderator Re: Value cannot be null Sep 04, 2014 08:13 AM|MetalAsp.Net|LINK It's OK if they are empty, "", but it's not OK if they http://rinfix.com/value-cannot/value-cannot-be-null-c.html yes it is MetalAsp.Net assafg2 Also, post your model class, Zmanin. using System; using System.Collections.Generic; using System.ComponentModel.DataAnnotations; using System.Linq; using System.Web; namespace Hagadol12_8.Models { public class Zmanin { public int

Unable to establish session with all provided credentialsHardware Sensors do not affect the status of a mapHaving one NIC with more assigned IPs will stop capturing of dataHigh CPU load in Expected result You should be able to use .Select() after .Skip() and access navigation properties. Personal Open source Business Explore Sign up Sign in Pricing Blog Support Search GitHub This repository Watch 780 Star 3,901 Fork 1,156 aspnet/EntityFramework Code Issues 482 Pull requests 13 Projects

Parameter name: items”0how to get selected value from dropdown list in mvc c#0Value cannot be null.

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asked 3 years ago viewed 88553 times active 6 months ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Linked 17 Using LINQ to find item in a List but What is this line of counties voting for the Democratic party in the 2016 elections? Sign in to comment Contact GitHub API Training Shop Blog About © 2016 GitHub, Inc. smitpatel modified the milestone: 7.0.0-rc2, 7.0.0 Nov 26, 2015 smitpatel added the 2 - Done label Nov 26, 2015 smitpatel closed this Nov 26, 2015 This was referenced Feb 18, 2016

In order to workaround this issue you need to add the code snippet below in the web config file. have a peek at these guys Login failed for user 'ORION Perfmon'Exception while configuring plugin Orion Core Services component Orion Database.

Adding me to TFS sounds fine, or I can give you my email if you'd rather just zip it up and send it thru? ~Rowan techyian commented Nov 21, 2015 Hi The connection attempt lasted for a time span of 00:00:20.9687500Error: Database configuration failed Exception while configuring plugin Orion Core Services component Orion Database. from applicationtry to connect with sql server using sql server managment studion and see the prob Thanks and Regards Somnath http://silverlightcsharp.blogspot.com Please click “Mark as Answer” on the post if it See discovery log for more detailsDiscovery failing with error: "Could not save discovery profile"Discovery fails on a single subnetDiscovery Profile error: Could not start/store discovery jobDiscrepancies in Charts when comparing with

up vote 30 down vote favorite 3 I created a ViewModel(UserModel) that implement IUser (for customizing ASP.NET Identity 2.0) public class UserModel : IUser { public int Id { get; set; Personal Open source Business Explore Sign up Sign in Pricing Blog Support Search GitHub This repository Watch 780 Star 3,901 Fork 1,156 aspnet/EntityFramework Code Issues 482 Pull requests 13 Projects Humberto Error Message: Value cannot be null. Do another discovery to re-synchronizeError: SolarWinds.Collector.PollingController.PollingController - Resolve polling plan failed!!

well all of this values are empty , so I think I need instead of count then to check if they have value , it's just that I cant find out What is the most someone can lose the popular vote by but still win the electoral college? What is the most someone can lose the popular vote by but still win the electoral college? Basic Geometric intuition, context is undergraduate mathematics Why do some banks have more than one routing number in the US?

Join them; it only takes a minute: Sign up Value cannot be null. 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. You signed in with another tab or window. Assigning only part of a string to a variable in bash What is the point of update independent rendering in a game loop?

The Windows SChannel error state is 808A FIPS-compliant SolarWinds installation is not possible at this time because at least one currently installed SolarWinds products a not FIPS-compliantA Network Node was not in web.config put custon error mode="Off" so u will get the real reason for ur error. Actual result System.ArgumentNullException: Value cannot be null. Should I report it?

Jul 25, 2009 02:54 PM|drtrejos|LINK I can connect to the server OK. The TLS protocol defined fatal error code is 40. Skip to content Ignore Learn more Please note that GitHub no longer supports old versions of Firefox. How to prove that authentication system works, and that the customer is using the wrong password?