var data = db.User                .Where(u => u.UserId != "System" && u.EnabledMark == 1 && u.DeleteMark == 0)                .Select(u => new                {                    u.UserId,                    u.EnCode,                    u.Account,                    u.RealName,                    u.Gender,                    u.Birthday,                    u.Mobile,                    u.Manager,                    u.OrganizeId,                    u.DepartmentId,                    OrganizeName = u.Organize.FullName,                    DepartmentName = u.Department.FullName,                    u.RoleId,                    u.DutyName,                    u.PostName,                    u.EnabledMark,                    u.CreateDate,                    u.Description                }).OrderBy(u => u.OrganizeName).ThenBy(u=>u.DepartmentName).ThenBy(u=> u.RealName);