private void EditKurator(object sender, EventArgs e)
        {
            var selitem = _lviews[2].SelectedItems[0];

            AddEditKuratorsForm aekf = new AddEditKuratorsForm();
            sqlmgr.Reconnect();
            aekf.SetKuratorsDS(sqlmgr.GetSotrudniki(false));
            sqlmgr.Disconnect();
            aekf.SetItemForEditing(selitem.Tag);
            var dr = aekf.ShowDialog();
            if (dr == DialogResult.OK)
            {
                sqlmgr.Reconnect();
                //sqlmgr.UpdateCardKuratorInfo(_card_id, selitem.Tag as Kurator);
                sqlmgr.Disconnect();
                selitem.SubItems[1].Text = (selitem.Tag as Kurator).Info;
            }
        }
 private void AddKurator(object sender, EventArgs e)
 {
     AddEditKuratorsForm aekf = new AddEditKuratorsForm();
     sqlmgr.Reconnect();
     aekf.SetKuratorsDS(sqlmgr.GetSotrudniki(false));
     sqlmgr.Disconnect();
     aekf.CreateNewItem();
     var dr = aekf.ShowDialog();
     if (dr == DialogResult.OK)
     {
         sqlmgr.Reconnect();
         sqlmgr.AddCardKuratorInfo(_card_id, (Kurator)aekf.EditableItem);
         sqlmgr.Disconnect();
         var ds = (Kurators)_lviews[2].DataSource;
         ds.Add((Kurator)aekf.EditableItem);
         _lviews[2].RefreshDataSource();
     }
 }