private void ZaladujMailDataGridView()
        {
            mailDataGridView.DataSource = null;
            mailDataGridView.Rows.Clear();
            mailDataGridView.Columns.Clear();
            PokazPrzyciski(false);

            DataTable    pomDataTable = new DataTable();
            String       result       = "";
            DBRepository db           = new DBRepository();

            if (db.SklepyUstawienia_ZaladujMailDatagridView(archiwalneSklepyCB.Checked, archiwalneMaileCB.Checked, ref pomDataTable, ref result))
            {
                if (pomDataTable.Rows.Count > 0)
                {
                    PokazPrzyciski(true);

                    mailDataGridView.DataSource = pomDataTable;
                    mailDataGridView.Columns["SKL_SklId"].Visible      = false;
                    mailDataGridView.Columns["SKL_Nazwa"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
                    mailDataGridView.Columns["SKL_Archiwalny"].Visible = false;
                    mailDataGridView.Columns["SKM_SkmID"].Visible      = false;
                    mailDataGridView.Columns["SKM_SklID"].Visible      = false;
                    mailDataGridView.Columns["SKM_Nazwa"].AutoSizeMode = DataGridViewAutoSizeColumnMode.DisplayedCells;
                    mailDataGridView.Columns["SKM_Mail"].AutoSizeMode  = DataGridViewAutoSizeColumnMode.DisplayedCells;
                    mailDataGridView.Columns["SKM_Archiwalny"].Visible = false;

                    mailDataGridView.CurrentCell = mailDataGridView.Rows[0].Cells["SKL_Nazwa"];
                }
            }
            else
            {
                MessageBox.Show("Wystąpił błąd wczytywania listy sklepów:\n" + result, "BŁąd", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
        private void ZaladujMailDataGridView()
        {
            mailDataGridView.DataSource = null;
            mailDataGridView.Rows.Clear();
            mailDataGridView.Columns.Clear();
            delButton.Enabled    = false;
            changeButton.Enabled = false;

            DBRepository db           = new DBRepository();
            DataTable    pomDataTable = db.SklepyUstawienia_ZaladujMailDatagridView(archiwalneCB.Checked);

            if (pomDataTable.Rows.Count > 0)
            {
                delButton.Enabled           = true;
                changeButton.Enabled        = true;
                mailDataGridView.DataSource = pomDataTable;
                mailDataGridView.Columns["Sklep_ID"].Visible                 = false;
                mailDataGridView.Columns["Sklep_Nazwa"].AutoSizeMode         = DataGridViewAutoSizeColumnMode.Fill;
                mailDataGridView.Columns["Sklep_Email"].AutoSizeMode         = DataGridViewAutoSizeColumnMode.DisplayedCells;
                mailDataGridView.Columns["Sklep_CentralaEmail"].AutoSizeMode = DataGridViewAutoSizeColumnMode.DisplayedCells;
                mailDataGridView.Columns["Sklep_Archiwalny"].Visible         = false;

                mailDataGridView.CurrentCell = mailDataGridView.Rows[0].Cells["Sklep_Nazwa"];
            }
        }