************************************ \\ 记得导入这个空间
using System.Data.Linq.SqlClient;
return (from s in db.Sys_D
where s.Deleted != systemparam.deleted && s.D_Id == cid&&
SqlMethods.Like(s.Help, "%" + help + "%")
select new jsonde
{
DtId = s.D_Id,
DName = s.D_Name,
Help = s.Help,
}).ToList();
*************************** 【 SqlMethods.Like(s.Help, "%" + help + "%")】 ******************************
u.User_Name.Contains(card_num)