private void UpdateLoadDowOrderDetails()
{
OrderDetail.DeleteByOrderID(OrderID);
for (int i = 0; i < gvOrderDetails.Rows.Count - 1; i++)
{
DataGridViewRow currRow = gvOrderDetails.Rows[i];
OrderDetail tempo = new OrderDetail();
tempo.OrderID = _OrderID;
tempo.ProductID = Convert.ToInt32(currRow.Cells[0].Value.ToString());
tempo.UnitPrice = Convert.ToDouble(Convert.ToDecimal(currRow.Cells[1].Value.ToString()));
tempo.Quantity = Convert.ToInt16(currRow.Cells[2].Value.ToString());
tempo.Discount = Convert.ToDouble(currRow.Cells[3].Value.ToString());
OrderDetail.Add(tempo);
}
}