private void btn_management_Click(object sender, EventArgs e)
        {
            string            payment_state = cbo_payment_state.Text;
            Tutors_management myform        = new Tutors_management(parent_num1, print_num1);

            myform.UpDate2  += new UpDateHandle2(myform_UpDate2);
            myform.BackColor = System.Drawing.SystemColors.GradientInactiveCaption;
            myform.Show();
        }
 private void 家教业务办理ToolStripMenuItem_Click(object sender, EventArgs e)
 {
     if (dgv_tutors.SelectedRows.Count > 0)
     {
         string tutors_num  = dgv_tutors.SelectedRows[0].Cells[0].Value.ToString();
         string tutors_name = dgv_tutors.SelectedRows[0].Cells[1].Value.ToString();
         string state1      = dgv_tutors.SelectedRows[0].Cells[2].Value.ToString();
         string time        = dgv_tutors.SelectedRows[0].Cells[3].Value.ToString();
         string principal   = dgv_tutors.SelectedRows[0].Cells[4].Value.ToString();
         string remarks     = dgv_tutors.SelectedRows[0].Cells[5].Value.ToString();
         //      string[] state = state1.Split(' ');
         //       string tempstate = state.Last();
         Tutors_management myform = new Tutors_management(parent_num1, print_num1, tutors_num,
                                                          tutors_name, state1, time, principal, remarks, tutors_state1);
         myform.UpDate2  += new UpDateHandle2(myform_UpDate2);
         myform.BackColor = System.Drawing.SystemColors.GradientInactiveCaption;
         myform.Show();
     }
 }