js 获取RadioButtonList值 跳转页面处理

 function ckdram()
       {
            
            var trueid=$("[name=RadioButtonList1][checked]").val();
            alert(trueid);
            var id=document.getElementById("TextBox1").value; 
            if(trueid=="")
            {
               alert("请选择您的答案！");
            }
            else
            {
                  $.get("Askjquery.aspx", {id:id,trueid:trueid,t:Math.random()},
                   function(data)
                   {
                      if(data==1)
                      {
                          alert("提交成功！");
                          window.open("AskOnline.aspx?id="+id+"&trueid=0&istrue=1");
                          return false;
                      }
                      else
                      {
                          alert("提交失败！");
                          return false;
                      }
                   });
              } 
       }

protected void Page_Load(object sender, EventArgs e)
        {
            int data;
            string trueid = Request.QueryString["trueid"].ToString();
            string id = Request.QueryString["id"].ToString();
            try
            {
                Model.FrontDesk.actmodel model = new Model.FrontDesk.actmodel();
                BLL.FrontDesk.actbll actbll = new BLL.FrontDesk.actbll();
                model.Id = Int32.Parse(trueid);
                if (actbll.updatesubjectanswerbyid(model) > 0)
                {
                    data = 1;
                }
                else 
                {
                    data = 3;
                }
            }
            catch (Exception ex)
            {
                ex.ToString();
                data = 3;
            }
            Response.Write(data);
            Response.End();
        }