private void btnAdicionar_Click(object sender, EventArgs e)
        {
            frmCongregacaoSetor frm = new frmCongregacaoSetor(new objCongregacaoSetor(null));

            frm.MdiParent = Application.OpenForms.OfType <frmPrincipal>().FirstOrDefault();
            DesativaMenuPrincipal();
            Close();
            frm.Show();
        }
        private void btnEditar_Click(object sender, EventArgs e)
        {
            //--- check selected item
            if (dgvListagem.SelectedRows.Count == 0)
            {
                AbrirDialog("Favor selecionar um registro para Editar...",
                            "Selecionar Registro", DialogType.OK, DialogIcon.Information);
                return;
            }

            //--- get Selected item
            objCongregacaoSetor item = (objCongregacaoSetor)dgvListagem.SelectedRows[0].DataBoundItem;

            //--- open edit form
            frmCongregacaoSetor frm = new frmCongregacaoSetor(item);

            frm.MdiParent = Application.OpenForms.OfType <frmPrincipal>().FirstOrDefault();
            DesativaMenuPrincipal();
            Close();
            frm.Show();
        }