protected void Button2_Click(object sender, EventArgs e) { String bidAmount = TextBox1.Text; DatabaseHandler obj = new DatabaseHandler(); String auctionId = Session["auctionId"].ToString(); DataSet ds = obj.GetAuctionCarInfo(auctionId); int basePrice = Convert.ToInt32(ds.Tables[0].Rows[0]["CAR_BASE_PRICE"].ToString()); if (Convert.ToInt32(bidAmount) < basePrice) { Label9.Text = "Bid amount must be more than base price"; Label9.ForeColor = System.Drawing.ColorTranslator.FromHtml("#FF0000"); } else { obj.PlaceAuctionBid(Request.Cookies["Car-Trading"]["Username"].ToString(), bidAmount); DataSet ds1 = new DataSet(); DatabaseHandler obj1 = new DatabaseHandler(); ds1 = obj.GetAuctionBids(auctionId); GridView1.DataSource = ds1; GridView1.DataBind(); Panel1.Visible = false; Label9.Text = "Bid placed !"; Label9.ForeColor = System.Drawing.ColorTranslator.FromHtml("#00FF00"); } }