//删除前的数据校验 public ERROR_CODE Delete_Valid(long id, long user_id, out string returnvalue) { returnvalue = string.Empty; var user = UserInfoBLL.GetUserInfo(user_id); if (user == null) { // 查询不到用户,用户丢失 return(ERROR_CODE.USER_NOT_FIND); } var data = _dal.FindById(id); if (data == null) { return(ERROR_CODE.ERROR); } if (data.is_system > 0) { return(ERROR_CODE.SYSTEM); } //d_general、ivt_product、crm_installed_product //有n个产品种类、n个产品、n个配置项 int installed_product = new crm_installed_product_dal().ExecuteSQL($"select * from crm_installed_product where cate_id={id} and delete_time=0"); int product = new ivt_product_dal().ExecuteSQL($"select * from ivt_product where installed_product_cate_id={id} and delete_time=0"); int product_cate = _dal.ExecuteSQL($"select * from d_general where ext1='{id.ToString()}' and delete_time=0"); if (installed_product > 0 || product > 0 || product_cate > 0) { returnvalue = @"有" + product_cate + "个产品种类、" + product + "个产品、" + installed_product + "个配置项关联此配置项类型。如果删除,则相关产品种类、产品、配置项上的配置项类型信息将会被清空,并且配置项上将会显示全部相关自定义字段。是否继续"; return(ERROR_CODE.EXIST); } return(ERROR_CODE.SUCCESS); }