Reference to assembly error

Using MVC, Entity Framework cannot find assembly reference

I am trying to use the EntityFramework with mvc 3 in VS. I have installed the EntityFramework under references but when I attempt to use the framework in the line...using System.Data.Entity.ModelConfiguration.Conventions.Edm.db; ...I receive an red error under .edm saying...The namespace or name 'Edm' does not exist in the namespace 'System.Data.En...

Can't call DeleteObject in Entity framework - missing an assembly reference?

I'm trying to delete an object in my asp.net MVC3/Code-first Entity Framework application, but I don't seem to have the necessary options, as it brings up a "does not contain a definition for DeleteObject" error. Anyone know if I'm missing an assembly reference. Here is my repository code:...private dbContext db = new dbContext(); public void De...

Assembly 'EntityFramModel' uses EntityFramework 5.0 which has a higher version thhan the referenced assembly

Hello In my solution I've' got a class library named 'EntityFrameworkModel' AND here i add ADO.NET ENTITY DATA MODEL. So my .edmx model perfectly created. ...In my other project in this solution - which is asp,net project, in my web form here is what I do ...1.I add the reference to my class library with the .edmx model ...2.I add the ...using Enti...

The type 'System.Data.Entity.DbContext' is defined in an assembly that is not referenced. You must add a reference to assembly 'EntityFramework 2

I've got one solution - the one project is class library with .edmx data model The other is asp.net web forms project. ...when i start the solution I get the following exception:...The type 'System.Data.Entity.DbContext' is defined in an assembly that is not referenced. You must add a reference to assembly 'EntityFramework, Version=5.0.0.0, Cultur...

Could not load type 'System.ComponentModel.DataAnnotations.DatabaseGeneratedOption' from assembly 'EntityFramework' error

I have an ASP.NET application which works fine using EntityFramework 4.3. I have it now use EntityFramework 6.0.2 instead. Now I am getting the error below at a line in the OnModelCreating code....Why am I getting this error? Why is it looking for DatabaseGeneratedOption enum in EntityFramework assembly instead of System.ComponentModel.DataAnnotati...

Getting the error: JavaScript runtime error: Circular reference in value argument not supported

When trying to edit and save a record in an ajax call via javascript, I am getting the above subject error....I did some looking up, and the only thing I can find was something about a "compareByIdentity" property which I couldn't get how to implement in my situation, if that's the case....The below class is where there is a one to many relationshi...

How to use referenced assembly for controller scaffolding

I have a class library with some model classes and a DbContext class (all those classes are public). This class library is referenced by an MVC-5 application. ...Is it possible to use the model classes from that referenced class library for scaffolding of a controller in that MVC-5 application? ...When I use ...Controllers - Add - Controller - MVC ...

Could not load file or assembly: The located assembly's manifest definition does not match the assembly reference

I have a Dev Express web application working fine in localhost but not on the live site....I have logged the issue with Dev Express but am also logging it here because it may be a .net issue....I have checked the references carefully in the project and cant find any out of date references....The error log shows...26.12.15 11:40:23.780 ===========...

How to trigger Update-Database on a DbContext in a referenced assembly (NuGet package)

Using the Package Manager Console I can run a command similar to the following one...Update-Database -ProjectName: My.Project.Data ...The command triggers migrations on ...MyDbContext... defined within the project ...My.Project.Data... located in the currently open solution. Good....Now the project ...My.Project.Data... resides in the same solution...

Referencing .net 4.7 framework assemblies in .net core 2 solution

I am running into an issue when I try to reference a .net 4.7 DLL in my Asp.NetCore 2 MVC app. The error is pasted below:...PM> Install-Package Microsoft.NETCore.App -Version 2.0.0 Restoring packages for ../Web.csproj... Install-Package : Package Microsoft.NETCore.App 2.0.0 is not compatible with net47 (.NETFramework,Version=v4.7). Package Mi...