Closed Issue: EnumDropDownListFor helper throws unhandled exception when model state is invalid and create page is loaded again [1389]

Model:

public class Class1
{
public int Id { get; set; }

public string Name { get; set; }

public EnumType Enum { get; set; }

public EnumType? NullableEnum { get; set; }

public FlagsEnumType FlagsEnum { get; set; }
}

[Flags]
public enum FlagsEnumType
{
Value1 = 0x0,
Value2 = 0x1
}

public enum EnumType
{
Value1,
Value2
}