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Value Cannot Be Null Parameter Name Entity

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asked 4 years ago viewed 2034 times active 4 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 0When running my site from my server I receive Server See the InnerException for details. ---> No database instance (See inner exception for details.)] System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +9932052 System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +101 System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +254 0 Please login or register to I'm using EF7 RC1 on dnx451 Data model as follows: CHILD : PARENT CLASS2 --> CHILD (Foreign key: Class2Id) CLASS2 has a property "Children", CHILD a property "Class2" When trying to InsertOnSubmit will throw that exact error when that is null. his comment is here

Parameter name: provider" error occurs when accessing certain navigation properties after Skip() Nov 22, 2015 rowanmiller added bug pri0 labels Nov 24, 2015 rowanmiller added this to the 7.0.0 milestone Nov Stack trace: https://gist.github.com/HalidCisse/02de3081aa6faafaac70 aspnet member rowanmiller commented Nov 19, 2015 @HalidCisse can you share the code for your context and model. EntityFramework.Core.dll!Microsoft.Data.Entity.Utilities.Check.NotNull(System.__Canon value, string parameterName) Unknown EntityFramework.Core.dll!Microsoft.Data.Entity.Metadata.Conventions.Internal.RelationshipDiscoveryConvention.Apply(Microsoft.Data.Entity.Metadata.Internal.InternalEntityTypeBuilder entityTypeBuilder) Unknown EntityFramework.Core.dll!Microsoft.Data.Entity.Metadata.Conventions.Internal.RelationshipDiscoveryConvention.ApplyOnRelatedEntityTypes(Microsoft.Data.Entity.Metadata.Internal.InternalModelBuilder modelBuilder, Microsoft.Data.Entity.Metadata.Internal.EntityType entityType) Unknown EntityFramework.Core.dll!Microsoft.Data.Entity.Metadata.Conventions.Internal.RelationshipDiscoveryConvention.Apply(Microsoft.Data.Entity.Metadata.Internal.InternalEntityTypeBuilder entityTypeBuilder, Microsoft.Data.Entity.Metadata.Internal.EntityType oldBaseType) Unknown EntityFramework.Core.dll!Microsoft.Data.Entity.Metadata.Conventions.Internal.ConventionDispatcher.OnBaseEntityTypeSet(Microsoft.Data.Entity.Metadata.Internal.InternalEntityTypeBuilder entityTypeBuilder, Microsoft.Data.Entity.Metadata.Internal.EntityType previousBaseType) Unknown EntityFramework.Core.dll!Microsoft.Data.Entity.Metadata.Internal.InternalEntityTypeBuilder.HasBaseType(Microsoft.Data.Entity.Metadata.Internal.EntityType baseEntityType, Microsoft.Data.Entity.Metadata.Internal.ConfigurationSource configurationSource) Unknown EntityFramework.Core.dll!Microsoft.Data.Entity.Metadata.Internal.InternalModelBuilder.Ignore(Microsoft.Data.Entity.Metadata.Internal.EntityType entityType, Microsoft.Data.Entity.Metadata.Internal.ConfigurationSource Register Log in 503 users online (0) Product Overview Why nopCommerce Features Store demo Showcase Roadmap Copyright notice removal License Downloads Download nopCommerce Marketplace Release notes Support & Services Documentation Community

Value Cannot Be Null. Parameter Name: Entity Mvc

Join them; it only takes a minute: Sign up Error: Value cannot be null. asked 5 years ago viewed 8275 times active 5 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Get the weekly newsletter! Related 5Why am I getting “Cannot insert explicit value for identity column” in LINQ to SQL when I'm not specifying a value for an identity column?2how to pass a parameter safely You signed in with another tab or window.

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  • Parameter name: instance System.ArgumentNullException: Value cannot be null.
  • share|improve this answer answered Aug 25 '15 at 23:04 Th4t Guy 757821 I had exactly the same issue and when removing the property of type Type in my POCO
  • try to connect to DB from Sql sever Management Stdio .3.

My Code is here . My cat sat on my laptop, now the right side of my keyboard types the wrong characters Would the members of an online imageboard (or any community) be able to build Thanks. Value Cannot Be Null. Parameter Name: Connection Reload to refresh your session.

Start a coup online without the government intervening What is the most someone can lose the popular vote by but still win the electoral college? Sign in to comment Contact GitHub API Training Shop Blog About © 2016 GitHub, Inc. Start a coup online without the government intervening My cat sat on my laptop, now the right side of my keyboard types the wrong characters Why were pre-election polls and forecast THat's what I was pointing out. –Tim May 7 '12 at 19:35 add a comment| Not the answer you're looking for?

The fix is to run the convention only if the current foreign key is part of the model. Value Cannot Be Null Entity Framework Though some of the convention can remove the present foreign key and after that we try to run convention on such removed foreign key. What is a satisfactory result of penetration testing assessment? Parameter name: entity [closed] up vote 0 down vote favorite I am getting this error while inserting data using linq.

Value Cannot Be Null. Parameter Name: Entitytype

protected void Button1_Click(object sender, EventArgs e) { try { Marquee existing = context.Marquees.FirstOrDefault(); if (existing != null) { existing.marquee1 = txtMarquee.Text; context.SubmitChanges(); lblmsg.Text = "Data Saved Successfully"; generalFunction.goGreen(lblmsg); } else { Dealing With Dragonslayers Symmetric group action on Young Tableaux GO OUT AND VOTE US Election results 2016: What went wrong with prediction models? Value Cannot Be Null. Parameter Name: Entity Mvc What is the meaning of ''cry oneself"? System.argumentnullexception: Value Cannot Be Null. Parameter Name: Entityset Might help finding out what's going on.

See the InnerException for details. ---> No database instance (See inner exception for details.)] System.Web.HttpApplicationFactory.EnsureAppStartCalledForIntegratedMode(HttpContext context, HttpApplication app) +9918157 System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers) +118 System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr this content Parameter name: provider" error occurs when accessing certain navigation properties after Skip() #3844 Closed cda-1 opened this Issue Nov 22, 2015 · 1 comment Labels type-bug Milestone 1.0.0-rc2 Value cannot be null. You signed in with another tab or window. Entity Framework Value Cannot Be Null. Parameter Name Source

You want that line to be context.Marquees.InsertOnSubmit(newMarquee); instead. share|improve this answer answered Aug 15 '11 at 22:37 Scott Munro 7,75523555 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Build me a brick wall! weblink public class Customer { public int Id { get; set; } public int?

share|improve this answer edited Jun 2 '11 at 15:04 answered Jun 2 '11 at 14:30 Henk Holterman 184k17176327 if it is null then that is a problem as this Add Migration Value Cannot Be Null Parameter Name Filename I was derivating new class for my ViewModel and I forgot to remove derivations part. –VSB Jun 21 at 10:21 add a comment| up vote 0 down vote I had the Reply PeteNet All-Star 58765 Points 11366 Posts Re: Value cannot be null.

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Till rc1 the navigations were stored on the entity type so removed foreign key marks the appropriate navigations in the FK as null which throws parameter navigation is null exception. I really need help with this...Stack Trace: [ApplicationException: No database instance] Nop.Data.Initializers.CreateTablesIfNotExist`1.InitializeDatabase(TContext context) +788 System.Data.Entity.Internal.<>c__DisplayClasse`1.b__d() +76 System.Data.Entity.Internal.InternalContext.PerformInitializationAction(Action action) +60 System.Data.Entity.Internal.InternalContext.PerformDatabaseInitialization() +337 System.Data.Entity.Internal.LazyInternalContext.b__4(InternalContext c) +7 System.Data.Entity.Internal.RetryAction`1.PerformAction(TInput input) +110 System.Data.Entity.Internal.LazyInternalContext.InitializeDatabaseAction(Action`1 action) +198 System.Data.Entity.Internal.LazyInternalContext.InitializeDatabase() Parameter name: handler'0Entity Framework Code First Exception: Value cannot be null. Argumentnullexception: Value Cannot Be Null. Parameter Name: Entitytype share|improve this answer answered Jun 2 '11 at 14:33 Colin Mackay 12.1k23765 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google

When I changed the model property ExposureDuration to type DurationExtended, all was working again. Parameter name: source0Value cannot be null. I can send a smaller project that has this issue but I would want to send it directly since our model is closed. check over here I actually had someone tell me the site was down.

Join them; it only takes a minute: Sign up Value cannot be null. Writing a singleton as a countable intersection Can an object *immediately* start moving at a high velocity? Parameter name: String40Value cannot be null. Parameter name: navigation #3805 Closed HalidCisse opened this Issue Nov 19, 2015 · 9 comments Labels type-bug Milestone 1.0.0-rc2 Assignees smitpatel 5 participants HalidCisse commented Nov 19,

Email:[emailprotected]Skype:vipul.dumaniya anik1991 Status: MVP, Certified developer Total Posts: 607 Karma: 5837 Joined: 3/2/2015 Location: Bangladesh PM Posted: December 11, 2015 at 1:46 AM Quote #156579 dv8dug wrote:Here's the stack trace without Using OrderBy before skip does not fix the issue in EF7. I'm using Entity Framework 4, C# and ASP.NET MVC 3. Parameter name: entity” when deleting entity object1LINQ Entity Framework Value cannot be null.

Sign in to comment Contact GitHub API Training Shop Blog About © 2016 GitHub, Inc. Parameter name: items on dropdownlist0Error: 'Value cannot be null.