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Build async Unit of Work with ASP.NET MVC 4 – ASP.NET 5 Hosting | In the RavenDB mailing list, How to combine the standard unit of work pattern of working with RavenDB in MVC applications with async. In particular, the problematic code was:

public class HomeController : Controller
{
public IAsyncDocumentSession Db { get; set; }
public async Task<ActionResult> Index()
{
var person = new Person {Name = "Khalid Abuhakmeh"};
await Db.StoreAsync(person);

return View(person);
}
protected override void OnActionExecuting(ActionExecutingContext filterContext)
{
Db = MvcApplication.DocumentStore.OpenAsyncSession();
base.OnActionExecuting(filterContext);
}

protected override void OnActionExecuted(ActionExecutedContext filterContext)
{
Db.SaveChangesAsync()
.ContinueWith(x => { });
base.OnActionExecuted(filterContext);
}
lic class Person
{
public string Id { get; set; }
public string Name { get; set; }
}
}

public class HomeController : Controller

{

public IAsyncDocumentSession Db { get; set; }

public async Task<ActionResult> Index()

{

var person = new Person {Name = "Khalid Abuhakmeh"};

await Db.StoreAsync(person);

return View(person);

}

protected override void OnActionExecuting(ActionExecutingContext filterContext)

{

Db = MvcApplication.DocumentStore.OpenAsyncSession();

base.OnActionExecuting(filterContext);

}

protected override void OnActionExecuted(ActionExecutedContext filterContext)

{

Db.SaveChangesAsync()

.ContinueWith(x => { });

base.OnActionExecuted(filterContext);

}

lic class Person

{

public string Id { get; set; }

public string Name { get; set; }

}

As you probably noticed, the problem Db.SaveChangesAsync(). We want to execute[…]

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