Posts Tagged Void Load
DI with Ninject for an MVC project
This seems to be a somewhat moving target with ASP.Net MVC moving up the versions as well as Ninject. This particular target will be ASP.Net MVC 2.0 and Ninject 2.0.
First set up the references:
- Download Ninject.Web.Mvc (If not using git, there is a download source link on the page).
- Open the mvc2/Ninject.Web.Mvc.sln and compile with release settings.
- Copy the files Ninject.dll and Ninject.Web.Mvc.dll from the mvc2/build/debug/release folder to the lib folder of your MVC project.
- Add references to these two files to your MVC project.
The DI Container (called a Kernel with Ninject) needs initializing on app startup which, with MVC, is in the Global.asax. Add the following using statements to the Global.asax:
using Ninject; using Ninject.Modules; using Ninject.Web.Mvc;
Change the MvcApplication so it inherits from NinjectHttpApplication:
public class MvcApplication : NinjectHttpApplication {
Let Visual Studio implement the CreateKernel method.
override the OnApplicationStarted method copying in the lines from the Application_Start method:
protected override void OnApplicationStarted() {
AreaRegistration.RegisterAllAreas();
RouteRegistrar.RegisterRoutes(RouteTable.Routes);
}
Then delete the Application_Start method.
Ninject stores the rules it uses to return class instances in Modules which are derived from NinjectModule. Add the following class to the MVC project:
using Ninject.Modules;
namespace MvcApp.Web {
public class WebModule : NinjectModule {
#region Instance Methods
public override void Load() {
}
#endregion
}
}
The Load method is where we specify how each request for a concrete class is fulfilled.
Lastly, modify the CreateKernel method so that the module is passed into the Kernel’s ctor:
protected override IKernel CreateKernel() {
var modules = new INinjectModule[]
{
new WebModule()
};
var kernel = new StandardKernel(modules);
return kernel;
}