Question

我正在使用Glass Mapper：4.0.1.8将多列表映射到Sitecore 8中的IEnumberable。它确实正确返回IEnumberable中的计数，但内部的字段都映射到空值。以下是我正在使用的代码：

public void GetPromotedNews()
{
   var NewsListingPage = Sitecore.Context.Database.GetItem(new ID(ItemIDS.NewsListingCorporate));
   var NewsListingPageItem = NewsListingPage.GlassCast<NewsListingPage>();


   foreach (var newslistingcategory in NewsListingPageItem.NewsCategory) //This is returning two results which are correct 
   {
      var item = newslistingcategory.CategoryName; //this is always returning null ?
   }     

}
public class NewsListingPage
{
   [SitecoreField(FieldName = "Page title")]
   public string PageTitle { get; set; }

   [SitecoreField(FieldName = "Page description")]
   public string PageDescription {get; set;}

   [SitecoreField(FieldName = "News category", Setting = SitecoreFieldSettings.InferType)]
   public virtual IEnumerable<ContentCategory> NewsCategory { get; set; }
}

[SitecoreType(TemplateId = DCP.Resources.TemplateIDS.CategoryTemplateID, AutoMap = true)]
public class ContentCategory : SCItem
{
   [SitecoreField(FieldName = "Category name")]
   public string CategoryName { get; set; }
   [SitecoreField(FieldName = "Category icon")]
   public Image CategoryICON { get; set; }

   [SitecoreField(FieldName = "text")]
   public string Text { get; set; }
}

Answer 1

尝试更新您的内容类别模型以获得虚拟属性

[SitecoreType(TemplateId = DCP.Resources.TemplateIDS.CategoryTemplateID, AutoMap = true)]
public class ContentCategory : SCItem
{
   [SitecoreField(FieldName = "Category name")]
   public virtual string CategoryName { get; set; }
   [SitecoreField(FieldName = "Category icon")]
   public virtual Image CategoryICON { get; set; }

   [SitecoreField(FieldName = "text")]
   public virtual string Text { get; set; }
}

Answer 2

Making them virtual应该做到这一点。

使用GlassMapper遇到null的另一个原因是它无法解析您尝试映射到的类型。例如，如果我将类型设置为string，但它实际上是List<string>。我也推荐TDS。您可以获取控制TDS项目并自动生成您的类。

Answer 3

当我遇到这个问题时，有两个可能的原因。

模板未正确发布。

我在我的字段中添加了以下属性。

[SitecoreField(Setting = Glass.Mapper.Sc.Configuration.SitecoreFieldSettings.DontLoadLazily)]

使用Glass Mapper映射MultiList

3 个答案: