protected void submitBid_Click(object sender, EventArgs e) { string ID = hidId.Value; string price = bidPrice.Value; int bidValue = Int32.Parse(price); ResourceOffer ro = marketresources.Find(x => x.Id == Int32.Parse(ID)); ro.HighestBid = bidValue; ro.HighestBidder = MainClient.player.Name; string returnedMessage = MainClient.BidOnResource(ro); goldAmount.InnerText = "You have " + MainClient.player.Gold + " pieces of gold"; if (returnedMessage != "") { //Message box error } bidwarning.Visible = false; bidPrice.Value = ""; }