private void BtnNew_Click(object sender, EventArgs e)
        {
            var frm = new frmExternalUserEdit("New", null, null, _protocolId);

            frm.ShowDialog();

            if (frm.DialogResult != DialogResult.OK)
            {
                return;
            }

            BindGridSystemUserExternal();
        }
        private void btnEdit_Click(object sender, EventArgs e)
        {
            _personId     = grdExternalUser.Selected.Rows[0].Cells["v_PersonId"].Value.ToString();
            _systemUserId = int.Parse(grdExternalUser.Selected.Rows[0].Cells["i_SystemUserId"].Value.ToString());

            var frm = new frmExternalUserEdit("Edit", _personId, _systemUserId, _protocolId);

            frm.ShowDialog();

            if (frm.DialogResult != DialogResult.OK)
            {
                return;
            }

            BindGridSystemUserExternal();
        }