public static CTHD getInstance()
{
if (instance == null)
{
instance = new CTHD();
}
return(instance);
}
private void myListViewHistory_ItemClick(object sender, EventArgs e)
{
//id of customer who are clicked in table
string id = this.listviewHistoryBuy.SelectedItems[0].SubItems[1].Text;
billDetails = BillController.GetBillDetailsByBillID(id);
CTHD.getInstance().SetBillDetails(billDetails);
CTHD.getInstance().LoadInfo();
CTHD.getInstance().Show();
}
