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; }

     }