递归方式---通过子级id，获取子级和父级Name

 #region 递归--返回  父级|子级 名称

         #region --返回  父级|子级 名称
         public string RetrurnTypeNames(string TypeId)
         {
             StringBuilder builder = new StringBuilder();
             return GetParents(TypeId, builder);
         }
         #endregion

         #region 递归 由子级id，返回子级和父级的Name
         public string GetParents(string TypeId, StringBuilder builder)
         {
             var list = knowledge_TypeIBLL.GetListWhere(null, null) as List<knowledge_Type>;
             var result = list.Where(m => m.Id == TypeId).ToList();
             if (result.Count() >  && result[].ParentId != null && result[].ParentId.ToString() != " ")
             {
                 if (result[].ParentId.ToString() == "-1")
                 {
                     builder.Append(result[].TypeName + "|");
                 }
                 else
                 {
                     builder.Append(result[].TypeName + "|");
                     GetParents(result[].ParentId, builder);
                 }
             }
             var arrays = builder.ToString().Split('|').ToArray();
             arrays = arrays.Where(s => !string.IsNullOrEmpty(s) && s.ToString() != " ").ToArray();
             var builder1 = new StringBuilder();
             for (int i = arrays.Count(); i > ; i--)
             {
                 var ul = "";
                 var t = i - ;
                 if (t >= )
                 {
                     ul += arrays.ToList()[t] + " | ";
                     builder1.Append(ul);
                 }
             }
             return builder1.ToString();
         }
         #endregion

         #endregion

 var list = xxx_xxx_DetailIBLL.GetListWhere(where, sqlParams.ToArray()) as List<DetailView>;
             var result = (from item in list
                           select new DetailView
                           {
                               Id = item.Id,
                               MasterScore = item.MasterScore,
                               Question = item.Question,
                               TypeId = item.TypeId,
                               TypeName = RetrurnTypeNames(item.TypeId),
                               UserId = item.UserId,
                               UserScore = item.UserScore,
                               knowledgeDataId = item.knowledgeDataId,
                               knowledgeReviewId = item.knowledgeReviewId
                           }).ToList();

  public class DetailView
     {
         public string Id { get; set; }
         public string MasterScore { get; set; }
         public string Question { get; set; }
         public string TypeId { get; set; }
         public string TypeName { get; set; }
         public string UserId { get; set; }
         public string UserScore { get; set; }
         public string knowledgeDataId { get; set; }
         public string knowledgeReviewId { get; set; }

     }