MVC3 Drop Down List Control does not keep State, Why?

Question

I have a drop down list control on a partial view and after posting the form the state of the drop down list control is not maintained

Here is the partial view cshtml co

Answer 1

The following code creates the view model for your next partial view:

TestCriteriaConsolidated combined = new TestCriteriaConsolidated();
combined.testCriteriaResults = test;

You need to set the year on this model:

combined.testCriteria.Year = Request.Form["testCriteria.Year"];