SqlConnection sqlconn = new SqlConnection();
            sqlconn.ConnectionString = connString;
            string sql = "select * from manager_Info";
            SqlDataAdapter myAdapter = new SqlDataAdapter(sql, sqlconn);
            DataSet ds = new DataSet();
            myAdapter.Fill(ds, "manager_Info");
            dataGridView_manager_info.DataSource = ds;
            dataGridView_manager_info.DataMember = "manager_Info";
            textBox_manager_NO.DataBindings.Add("text", ds, "manager_Info.Manager_ID");
            textBox_manager_user.DataBindings.Add("Text", ds, "manager_Info.Manager_UserName");
            textBox_manager_password.DataBindings.Add("Text", ds, "manager_Info.Manager_PassWord");
            textBox_manager_tele.DataBindings.Add("Text", ds, "manager_Info.Manager_Tele")

报错…