UpdateCommand="UPDATE [machinename] SET [name] = ?, [型号] = ?, [价格] = ?, [厂商] = ?, [购置日期] = ?, [存放地点] = ?, [负责人] = ?, [状态] = ?, [备注] = ? WHERE (([name] = ?) OR ([name] IS NULL AND ? IS NULL)) AND (([型号] = ?) OR ([型号] IS NULL AND ? IS NULL)) AND (([价格] = ?) OR ([价格] IS NULL AND ? IS NULL)) AND (([厂商] = ?) OR ([厂商] IS NULL AND ? IS NULL)) AND (([购置日期] = ?) OR ([购置日期] IS NULL AND ? IS NULL)) AND (([存放地点] = ?) OR ([存放地点] IS NULL AND ? IS NULL)) AND (([负责人] = ?) OR ([负责人] IS NULL AND ? IS NULL)) AND (([状态] = ?) OR ([状态] IS NULL AND ? IS NULL)) AND (([备注] = ?) OR ([备注] IS NULL AND ? IS NULL))"> 这个是我的编辑的语句,大家看看!感谢!!!!!!