/// <summary>
        ///     根据类型id查找关联它的表是否为0
        /// </summary>
        /// <param name="typeid">类型id</param>
        /// <param name="typename">类型名字</param>
        /// <returns></returns>
        public string GetRelationtById(long typeid, string typename)
        {
            var cureTypeService = new CureTypeService();
            var medicineService = new MedicineService();
            var unitService = new UnitService();
            var fodderTypeService = new FodderTypeService();
            var excetionTypeService = new ExceptionTypeService();
            var pigTypeService = new PigTypeService();
            var pigHouseTypeService = new PigHouseTypeService();
            var taskStatusTypeService = new TaskStatusTypeService();
            var taskTypeService = new TaskTypeService();
            var roleTypeService = new RoleTypeService();
            var preventionTypeService = new PreventionTypeService();
            var roleAuthorityService = new RoleAuthorityService();
            var customerService = new CustomerService();
            if (typeid == 0)
            {
                return "不存在于数据库,可以删除";
            }
            try
            {
                if (typename == "治疗")
                {
                    cureTypeService.Delete(cureTypeService.Find(typeid));
                }
                if (typename == "单位")
                {
                    unitService.Delete(unitService.Find(typeid));
                }
                if (typename == "药物")
                {
                    medicineService.Delete(medicineService.Find(typeid));
                }
                if (typename == "异常")
                {
                    excetionTypeService.Delete(excetionTypeService.Find(typeid));
                }
                if (typename == "饲料")
                {
                    fodderTypeService.Delete(fodderTypeService.Find(typeid));
                }
                if (typename == "生猪")
                {
                    if (pigTypeService.Find(typeid).Name == "母猪" || pigTypeService.Find(typeid).Name == "公猪")
                    {
                        return "不可删除";
                    }
                    pigTypeService.Delete(pigTypeService.Find(typeid));
                }
                if (typename == "防疫")
                {
                    preventionTypeService.Delete(preventionTypeService.Find(typeid));
                }
                if (typename == "猪舍")
                {
                    pigHouseTypeService.Delete(pigHouseTypeService.Find(typeid));
                }
                if (typename == "任务状态")
                {
                    if (taskStatusTypeService.Find(typeid).Name == "未完成" ||
                        taskStatusTypeService.Find(typeid).Name == "已完成" ||
                        taskStatusTypeService.Find(typeid).Name == "正在进行")
                    {
                        return "不可删除";
                    }
                    taskStatusTypeService.Delete(taskStatusTypeService.Find(typeid));
                }
                if (typename == "任务类型")
                {
                    if (taskTypeService.Find(typeid).Name == "喂饲" || taskTypeService.Find(typeid).Name == "防疫" ||
                        taskTypeService.Find(typeid).Name == "巡查" || taskTypeService.Find(typeid).Name == "治疗" ||
                        taskTypeService.Find(typeid).Name == "销售" || taskTypeService.Find(typeid).Name == "转栏" ||
                        taskTypeService.Find(typeid).Name == "添加生猪")
                    {
                        return "不可删除";
                    }
                    taskTypeService.Delete(taskTypeService.Find(typeid));
                }
                if (typename == "角色")
                {
                    foreach (role_authority c in roleAuthorityService.FindByRoleTypeId(typeid))
                        roleAuthorityService.Delete(roleAuthorityService.Find(c.Id));
                    roleTypeService.Delete(roleTypeService.Find(typeid));
                }
                if (typename == "客户名称")
                {
                    customerService.Delete(customerService.Find(typeid));
                }
            }
            catch (Exception)
            {
                return "不可删除";
            }

            return "";
        }