Display name for nested complex type

问题:

i have two model class like below,

i want to use different labels for Categoy.Name property if its nested,but if i use complex type,it didnt bind to name property,is there any options something like BindTo("Category.Name") for complex types???

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

        [DisplayName("Product Name")]
        public string Name { get; set; }

        [DisplayName("Category Name")]
        [BindTo("Category.Name")]
        public CategoryModel Category { get; set; }
    }

    public class CategoryModel
    {
        public int Id { get; set; }
        [DisplayName("Name")]
        public string Name { get; set; }
    }

回答1:

One solution is to use the MetadataType attribute.

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

    [DisplayName("Product Name")]
    public string Name { get; set; }

    public CategoryPropertyModel Category { get; set; }
}

[MetadataType(typeof(ICategoryModelCategoryDisplay))
public class CategoryModel : CategoryBaseModel { }

[MetadataType(typeof(ICategoryModelDisplay))
public class CategoryPropertyModel : CategoryBaseModel { }

public class CategoryBaseModel
{
    public int Id { get; set; }
    public string Name { get; set; }
}

public interface ICategoryModelSimpleDisplay  
{
    [DisplayName("Name")]
    public string Name { get; set; }
}

public interface ICategoryModelCategoryDisplay  
{
    [DisplayName("Category Name")]
    public string Name { get; set; }
}

When you use CategoryModel the display name will be Name.

When you use CategoryPropertyModel the display name will be Category Name.