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");
     }
 }