private void ClickConfirm(object sender, EventArgs e)
{
if (DateBox.Text != "")
{
_sale.Sale_Date = Convert.ToDateTime(DateBox.Text);
}
if (CostBox.Text != "")
{
_sale.Total_Cost = double.Parse(CostBox.Text);
}
if (NameBox.Text != "")
{
_sale.Customer_Name = NameBox.Text;
}
_PHPRepo.EditSalesRecord(_sale);
SaleTable.Items.Clear();
_sale = _PHPRepo.GetSaleById(SaleID);
AddSaleToTable(_sale);
InitialiseTextBoxes();
SaleIDtext.Clear();
}