public JsonResult SelRole(DRelationship _param)
        {
            List <Role> lRoles = RoleRepository.SelRoles(new Role {
            });

            if (_param.FromOID != null)
            {
                DRelationshipRepository.SelRelationship(new DRelationship {
                    Type = CommonConstant.RELATIONSHIP_ROLE, FromOID = _param.FromOID
                }).ForEach(role =>
                {
                    lRoles.FindAll(innerRole => innerRole.OID == role.ToOID).ForEach(filterRole =>
                    {
                        filterRole.IsChecked = true;
                    });
                });
            }
            return(Json(lRoles));
        }