Setting up session-per-web request

Due to its simplicity, the most common pattern used in web applications for managing NHibernate sessions is session-per-request. In this recipe, we'll show you how to set up the session-per-request pattern using NHibernate's contextual sessions feature.

Getting ready

1. Create a new ASP.NET web forms or ASP.NET MVC application.

2. Add a reference to NHibernate using NuGet Package Manager Console.

3. If it doesn't exist already, add a new global application class Global.asax.

4. In Global.asax.cs, add these using statements:

   using NHibernate;
   using NHibernate.Cfg;
   using NHibernate.Context;

5. Create a static property named SessionFactory:

   public static ISessionFactory SessionFactory { get; private set; }

Now you have two choices. You can either use the companion library, NH4CookbookHelpers to set up the base configuration or set everything up manually.

Option 1: Using the companion library

1. Add a reference to NH4CookbookHelpers using NuGet Package Manager Console.

2. In the Application_Start...