How to inject ILogger into EFCore DbContext

Using the Unity IOC to inject dbcontext into my controllers and service layer?

I'm not sure what you mean by injecting your DB context into your "service layer," but assuming you meant an ASP.NET MVC website based on the tags, you'll just want to set up your container with the global ...DependencyResolver... class and make sure your contexts are set to request lifetime with the ...PerRequestLifetimeManager.......You can find ...

Dependancy Injected DbContext is empty after populating DbContext created with new (EF7, ASP.NET 5, vnext)

I might be wrong, but my assumption is that when you create a new instance of ...DbContext... in code, you are using the parameterless constructor that sets underlying connection string to some default value. However, DI-injected ...DbContext... could be resolved using another constructor with different connection string passed in explicitly....Tha...

How to use injected DbContext in parallel methods in asp.net core and ef7?

I have an Asp.net 5/Core 1 application with EF7. I register the DbContext in the DI container normally....services.AddEntityFramework().AddSqlServer() .AddDbContext<MyDbContext>(options => options.UseSqlServer(connection)); ...Here is a small sample showing what I'm trying to do....public class MyController : Controller { MyDbContext _myDbCon...

Cannot access a disposed object in ASP.NET Core when injecting DbContext

On an ASP.NET Core project I have the following on Startup:... services.AddDbContext<Context>(x => x.UseSqlServer(connectionString)); services.AddTransient<IValidationService, ValidationService>(); services.AddTransient<IValidator<Model>, ModelValidator>(); ...The ValidationService is as follows:...public interface IValidationService { T...

Inject DbContext when database name is only know when the controller action is called

You can/should use an abstract factory to create the DbContext...public interface IDbContextFactory { ApplicationContext Create(); } public class DbContextFactory() : IDbContextFactory, IDisposable { private ApplicationContext context; private bool disposing; public DbContextFactory(/* other dependencies here */) { } ...

Inject DbContext to Custom IRouteConstraint in ASP.NET Core 2 MVC

Here is one way to do it (although not sure whether this is the best way):...ShinyNewRouteConstraint...public class ShinyNewRouteConstraint : IRouteConstraint { private readonly Func<ApplicationDbContext> createDbContext; public ShinyNewRouteConstraint(Func<ApplicationDbContext> createDbContext) { this.createDbContext = createD...

Injecting DbContext to class library project in same Asp.Net Core 2 solution

Assuming you have the following for your service...public interface IDatabaseService { List<ApplicationUser> GetUsers(); //... } public class DatabaseService : IDatabaseService { public DatabaseService(ApplicationDbContext context) { //...code removed for brevity } //...code removed for brevity } ...The service explic...

Injecting Connection String from config file into EF Core DbContext

I have a need to inject a dependency into my DbContext Class for my project. I am trying to do this in a way that follows "Clean Architecture". ...I need to be able to use the DbContext's empty constructor and still reference the connection string from a config file....I make use of this Generic Repository and inject this into services. It is defi...

Dependency Inject ClaimsPrincipal into DbContext when using EasyAuth in Azure Functions 2.0

By registering IHttpContextAccessor for injection on startup... public void Configure(IWebJobsBuilder builder) { builder.Services.AddHttpContextAccessor(); } ...You can then use that in the dbcontext...public DbContext(DbContextOptions<DbContext> options, IHttpContextAccessor httpContextAccessor) : base(options) { if (httpCo...

Cannot access a disposed object when injecting DbContext through Azure Function

It's hard to tell with the code you've provided, but the most likely culprit is that you aren't materializing the result set until the context has gone out of scope. Again, we can't see all the code, but this happens when you do things like return an ...IQueryable... directly. Any type of service call should return a materialized list (i.e. call ..