//获取所有课程信息
        public void getList(HttpContext context)
        {
            HttpResponse      response    = context.Response;
            int               page        = Int32.Parse(context.Request["page"]);
            int               size        = Int32.Parse(context.Request["rows"]);
            String            json        = "";
            CourseModel       coursemodel = new CourseModel();
            List <Bap_Course> list        = coursemodel.list(page, size);
            int               total       = coursemodel.count();

            response.ContentEncoding = UTF8Encoding.UTF8;
            response.ContentType     = "text/plain";
            json = "{\"total\":" + total + ",\"rows\":" + new JavaScriptSerializer().Serialize(list) + "}";
            response.Output.Write(json);
        }
 //获取所有课程信息
 public void getList(HttpContext context)
 {
     HttpResponse response = context.Response;
     int page = Int32.Parse(context.Request["page"]);
     int size = Int32.Parse(context.Request["rows"]);
     String json = "";
     CourseModel coursemodel = new CourseModel();
     List<Bap_Course> list = coursemodel.list(page, size);
     int total = coursemodel.count();
     response.ContentEncoding = UTF8Encoding.UTF8;
     response.ContentType = "text/plain";
     json = "{\"total\":" + total + ",\"rows\":" + new JavaScriptSerializer().Serialize(list) + "}";
     response.Output.Write(json);
 }