CODEWITHSUNDEEP
asp.net-mvcdependency-injectioninversion-of-control
adam0101
adam0101

Reputation: 31045

ASP.NET MVC to call my Dependency Resolver when creating an instance?

I'm very new to ASP.NET MVC so I hope my question makes sense. I'm using POCO objects as my model. It's my understanding that when the form is submitted MVC can create a new instance of my business object and fill the properties from the form automatically.

I use dependency injection so I create new instances using code like the following:

DependencyResolver.Current.CreateInstance(Of IBusObject)

How can I get ASP.NET MVC to call this method instead of trying to create a new instance by using the "new" keyword on the concrete class?

Upvotes: 0

Views: 730

Answers (2)

Darin Dimitrov
Darin Dimitrov

Reputation: 1039060

You could write a custom model binder deriving from the default model binder and override the CreateModel method to supply your custom instance.

Upvotes: 2

Rob West
Rob West

Reputation: 5241

Looking at the MVC source code it will not use dependency resolution when creating an instance of the model type, so you can't get what you want out of the box, but you could easily achieve what you want by creating your own model binder which is DependencyResolver aware.

Upvotes: 3

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