protected void Page_Load(object sender, System.EventArgs e) { string a = base.Request.Form["return_code"]; string arg_2B_0 = base.Request.Form["return_msg"]; string text = base.Request.Form["code_url"]; string text2 = base.Request.Form["orderID"]; string text3 = base.Request.Form["amount"]; if (a == "SUCCESS" && text != null && text != "") { Bitmap bitmap = new QrImage { Mode = "byte", Version = -1, Size = 200, Padding = 10, Level = "Q", Background = Color.White, Foreground = Color.Black }.CreateImage(text); System.IO.MemoryStream memoryStream = new System.IO.MemoryStream(); bitmap.Save(memoryStream, ImageFormat.Png); byte[] buffer = memoryStream.GetBuffer(); this.imagecode = System.Convert.ToBase64String(buffer, 0, buffer.Length); this.amountcode = text3; this.orderid = text2; } }