EF中使用Select new 方法中字段值替换的问题_.NET_编程开发_程序员俱乐部

前提需要替换查询得到的List当中的某个字段的值，替换规则有一个mapping关系

尝试代码 有问题 无法获取任何数据 

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 1 /// <summary>
 2         /// 获取Treegrid的List
 3         /// </summary>
 4         /// <returns></returns>
 5         public JsonResult GetOrgnizationList()
 6         {
 7             IQueryable<Rights_Sys_Organization> list = db.Rights_Sys_Organization;
 8             return Json(new treegrid
 9             {
10                 rows = list.Select(
11                 s => new
12                 {
13                     _parentId = s.ParentCode,
14                     OrganizationName = s.OrganizationName,
15                     EnglishName = s.EnglishName,
16                     OrganizationType = s.OrganizationType,
17                     States = SysDictionaryCollection.GetFieldTextByDicTypeAndValue("DicType",s.States),
18                     OrganizationCode = s.OrganizationCode,
19                     Order = s.Order
20                 }).OrderBy(c => c.Order)
21             }, JsonRequestBehavior.AllowGet);
22         }

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正常的代码

 1   /// <summary>
 2         /// 获取Treegrid的List
 3         /// </summary>
 4         /// <returns></returns>
 5         public JsonResult GetOrgnizationList()
 6         {
 7             IQueryable<Rights_Sys_Organization> list = db.Rights_Sys_Organization;
 8             return Json(new treegrid
 9             {
10                 rows = list.Select(
11                 s => new
12                 {
13                     _parentId = s.ParentCode,
14                     OrganizationName = s.OrganizationName,
15                     EnglishName = s.EnglishName,
16                     OrganizationType = s.OrganizationType,
17                     States = s.States,
18                     OrganizationCode = s.OrganizationCode,
19                     Order = s.Order
20                 }).OrderBy(c => c.Order)
21             }, JsonRequestBehavior.AllowGet);
22         }

View Code

暂时未找到解决办法 如果有人知道怎么解决请留言 谢谢！