//画图,供web页面调用 public string DrawImage() { MakeCheckCode img = new MakeCheckCode(); HttpContext.Current.Session["CheckCode"] = img.CreateValidateCodeContext(4); img.CreateImages(HttpContext.Current.Session["CheckCode"].ToString()); return HttpContext.Current.Session["CheckCode"].ToString(); }
protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { MakeCheckCode MK = new MakeCheckCode(); Session["CheckCode"] = MK.DrawImage(); } }