C#后台代码POST并跳转（可跳转到请求页面）

            StringBuilder sb = new StringBuilder();
            sb.Append("<form id=\"formData\">");
            sb.Append("<input type=\"hidden\" name=\"interfaceName\" value=\"" + interfaceName + "\">");
            sb.Append("<input type=\"hidden\" name=\"interfaceVersion\" value=\"" + interfaceVersion + "\">");
            sb.Append("<input type=\"hidden\" name=\"tranData\" value=\"" + tranData + "\">");
            sb.Append("<input type=\"hidden\" name=\"merSignMsg\" value=\"" + merSignMsg + "\">");
            sb.Append("<input type=\"hidden\" name=\"merCert\" value=\"" + merCert + "\">");
            sb.Append("</form>");
            sb.Append("<script language= 'javascript'>");
            sb.Append("document.getElementById('formData').method = 'post';");
            sb.Append("document.getElementById('formData').action = '" + url + "';");
            sb.Append("document.getElementById('formData').submit();");
            sb.Append("</script>");
            response.Write(sb.ToString());