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asp.net-mvc-3automapper-2
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Reputation: 5552

Automapper: Missing TypeMap configuration or unsupported mapping

// HomeController.cs
[AutoMap(typeof(Test), typeof(TestViewModel))]
public ActionResult Index()
{
    var tests = new List<Test>();
    tests.Add(new Test());
    return View(tests);
}

// Index.cshtml
@model IEnumerable<AutoMapperTest.Models.TestViewModel>

// AutoMapper Configuration
CreateMap<Test, TestViewModel>();

// Automapper configuration test is fine
[TestMethod]
public void Should_map_dtos()
{
    AutoMapperConfiguration.Configure();
    Mapper.AssertConfigurationIsValid();
}

AutoMapAttribute taken from here.

If the action return 'Test' it works. If it returns 'IEnumerable' it doesn't (view changed to expect TestViewModel and IEnumerable obviously). What am I doing wrong? From what I understand I don't need to explicitly map List types.

This probably has a simple answer but have spent the last two hours trying to get this to work so would much appreciate someone pointing me to the solution.

Upvotes: 1

Views: 5967

Answers (1)

Erik Funkenbusch
Erik Funkenbusch

Reputation: 93464

It's not clear to me from your description whether or not you changed the AutoMapper attribute to include the List or not:

[AutoMapper(typeof(List<Test>), typeof(List<TestViewModel>)]

Upvotes: 2

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