Cannot access a disposed object. A common cause of this error is disposing a context

Question

I have written a simple application and when I navigate to my edit page the below error pops up.

Microsoft.EntityFrameworkCore.Query[10100]

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Answer 1

Here is what actually worked for me in a situation where I was getting the same error as above when trying to access the data in Startup.cs to run some startup data building functions on server load, rather than a specific Controller action:

        IServiceScope scope = provider.CreateScope();
        YourDbContext context = scope.ServiceProvider.GetRequiredService();

In the Configure method of Startup.cs, with IServiceProvider included as a parameter:

public async void Configure(IApplicationBuilder app, IWebHostEnvironment env, IServiceProvider provider)

Just including that for anyone who wants to do the same in Startup.cs.