protected void Page_Load(object sender, EventArgs e) { string code = Request.QueryString["code"]; string accessToken = GoogleUtil.GetAccessToken(code).Result; AccountDTO accountDTO = GoogleUtil.GetUserInfo(accessToken).Result; if (!CheckLogin(accountDTO.Email)) { int idInsert = InsertAccount(accountDTO.Email, accountDTO.Picture, accountDTO.Fullname); if (idInsert != -1) { accountDTO.AccountID = idInsert; Session["USER"] = accountDTO; Session["AccountID"] = idInsert; } } Response.Redirect("HomePage.aspx"); }