private void LoadBatchSummary()
{
Facade.IPreInvoice facPreInvoice = new Facade.PreInvoice();
DataSet ds = facPreInvoice.GetSummaryForBatch(BatchID);
this.grdOrders.DataSource = ds;
lblInvoicedate.Text = ((DateTime)ds.Tables[0].Rows[0]["InvoiceDate"]).ToString("dd/MM/yy");
}