5
我有模型屬性:如果字段類型沒有默認構造函數,如何使用ValueResolver?
public class MyModel{
public SelectList PropertyTypeList { get; set; }
}
而且我有ValueResolver
public class MyPropertyValueResolver : ValueResolver<ProductProperty, SelectList>
{
protected override SelectList ResolveCore(ProductProperty source)
{
myList = .......;
return new SelectList(myList, "Value", "Text");
}
}
然後我配置映射
Mapper.CreateMap<Source, Destination>()
.ForMember(s => s.PropertyTypeList, opt => opt.ResolveUsing<MyPropertyValueResolver>());
,但它說我
Type 'System.Web.Mvc.SelectList' does not have a default constructor
我應該怎麼做才能使它工作?