private void button1_Click(object sender, EventArgs e)
        {
            string sql= "data source=PC-20111127BRCO;initial catalog=DB_Sale;integrated security=true";
            SqlConnection conn = new SqlConnection(sql);
            conn.Open();

            string sqlcon = string.Format("update 管理员 set 密码='"+textBox2 .Text .Trim ()+"' where 用户名='"+textBox1 .Text .Trim ()+"'");
            SqlCommand cmd = new SqlCommand(sqlcon, conn);
            SqlDataReader sdr = cmd.ExecuteReader();
            if (sdr.Read())
            {
                MessageBox.Show("成功");
            }
            else
            {
                MessageBox.Show("失败");
            }

       }

为什么不正确？？？

[ 本帖最后由 ruankai1036 于 2011-11-29 19:12 编辑 ]

执行没有通过

在文本框中添加的时候弹出错误