protected void Button1_Click(object sender, EventArgs e) { SqlConnection con = dataconn.getcon(); con.Open(); //string Querystr = "select * from examstu_info where stu_id=" + "'" + TextBox1.Text.ToString()+ "'"; //SqlCommand myCommand = new SqlCommand(Querystr, con); //SqlDataReader myDataReader = myCommand.ExecuteReader(); //myDataReader.Read(); //string sql = "update examstu_info set exam_status=" + "'" + "b" + "'" + "where stu_id=" + "0000000010"; string sql = "update examstu_info set stu_name=" + "'" + TextBox2.Text + "'" + "where stu_id=" + "'" + TextBox1.Text + "'"; SqlCommand cmd = new SqlCommand(sql, con); cmd.ExecuteNonQuery(); } }
2条回答 默认 最新
- threenewbee 2015-12-29 03:24关注
string sql = "update examstu_info set stu_name=" + "'" + TextBox2.Text + "'" + "where stu_id=" + "'" + TextBox1.Text + "'";
关键是这一行,更新examstu_info(考试系统的学生信息表)中的学生姓名字段本回答被题主选为最佳回答 , 对您是否有帮助呢?解决 无用评论 打赏 举报
悬赏问题
- ¥15 keil的map文件中Image component sizes各项意思
- ¥30 BC260Y用MQTT向阿里云发布主题消息一直错误
- ¥20 求个正点原子stm32f407开发版的贪吃蛇游戏
- ¥15 划分vlan后,链路不通了?
- ¥20 求各位懂行的人,注册表能不能看到usb使用得具体信息,干了什么,传输了什么数据
- ¥15 Vue3 大型图片数据拖动排序
- ¥15 Centos / PETGEM
- ¥15 划分vlan后不通了
- ¥20 用雷电模拟器安装百达屋apk一直闪退
- ¥15 算能科技20240506咨询(拒绝大模型回答)