disable dynamic proxy in Entity framework globally

Question

Please how can I disable dynamic proxies for all entities created in Entity Framework 5.

Currently, I am setting this espEntities.Configuration.ProxyCreationEnabled = false; in every instance of a DbContext is there a way I can do this for current and future models as a one time task.

Thanks

Bellash · Accepted Answer · 2016-07-11 09:01:14Z

27

Method 1

If you have an EDMX model, a partial class is created. Use that and in the OnContextCreated you can disable ProxyCreationEnabled

public partial class MyModelContainer
{
    public void OnContextCreated()
    {
        this.Configuration.ContextOptions.ProxyCreationEnabled = false;
    }
}

Method 2

Edit the model.tt file. Find the line containing something like this:

partial class <#=code.Escape(container)#> : DbContext

And add in

this.Configuration.ProxyCreationEnabled = false;

Method 3

If you are not using an EDMX file, do it in your context constructor: (assuming your context is called EspEntities)

public class EspEntities : DbContext
{
   public EspEntities()
   {
      Configuration.ProxyCreationEnabled = false;
   }
}

edited Jul 11, 2016 at 9:01

Bellash

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answered Jul 10, 2014 at 10:39

DavidG

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6 Comments

user989865 Over a year ago

Hello David,I assume the context constructor in this case is found in the model.context.cs. However, if this is the case, it creates an issue if the EDMX model is updated and the changes will be overwritten?

user743382 Over a year ago

Proxy creation != lazy loading. Lazy loading does require proxy creation, but disabling it doesn't disable proxy creation. Proxy creation is also required (and used) for e.g. change tracking. Your original option is good, as long as you either make the change in the template (instead of the template's output), or add it to a new file (the class should be a partial class, so it can be extended in other files).

user989865 Over a year ago

Thanks once again David for the quick response...however, this just disables lazyloading and the dynamic proxies are still generated...?

user989865 Over a year ago

@hvd you mean I should extend the model.context.cs by creating a new partial class and override the existing constructor? in between any good tip on making this change in the model.tt file?

DavidG Over a year ago

Ah yes sorry, another change made.

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