private void btnChoose_Click(object sender, EventArgs e)
        {
            FormSelectPersonnel form = new FormSelectPersonnel("员工");

            //form.DeptCode = txtCode.Text;

            if (cmbPrincipal.Tag != null)
            {
                form.SelectedUser = (cmbPrincipal.Tag as List <View_SelectPersonnel>);
            }

            if (form.ShowDialog() == DialogResult.OK)
            {
                cmbPrincipal.Items.Clear();
                m_personnerServer.DeleteDeptDirector(txtCode.Text, "1");

                if (form.SelectedUser != null && form.SelectedUser.Count > 0)
                {
                    cmbPrincipal.Items.AddRange((from r in form.SelectedUser select r.员工姓名).ToArray());
                    cmbPrincipal.Tag           = form.SelectedUser;
                    cmbPrincipal.SelectedIndex = 0;

                    if (!m_personnerServer.AddDeptDirector(txtCode.Text, form.SelectedUser, "1", true, out m_error))
                    {
                        MessageDialog.ShowErrorMessage(m_error);
                    }
                }
            }
        }