private void btnAdd_Click(object sender, EventArgs e)
        {
            AddBank addBank = new AddBank();

            addBank.ShowDialog();
            Refresh();
        }
        private void btnUpdate_Click(object sender, EventArgs e)
        {
            int     id      = int.Parse(dgBank.SelectedCells[0].FormattedValue.ToString());
            var     _bank   = GloblMain.dbo.Banks.Find(id);
            AddBank addBank = new AddBank(_bank);

            addBank.ShowDialog();
            Refresh();
        }