private void cmdSimpleOleSearch_Click(object sender, EventArgs e)
        {
            var ops      = new OledbCode.Operations();
            var fileName = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Customers.xlsx");

            var(Table, Success) = ops.ReaDataTable(fileName, "Sales Representative");
            if (Success)
            {
                if (Table.Rows.Count > 0)
                {
                    MessageBox.Show("Done");
                }
                else
                {
                    MessageBox.Show("Done, nothing for search");
                }
            }
            else
            {
                MessageBox.Show($"Encountered an issue: {ops.LastExceptionMessage}");
            }
        }