public string GetData()
        {
            string[] files = Directory.GetFiles(Server.MapPath("~/Upload"));//Gets the recent file
            string file = files[0];
            BusinessLogic bLogic = new BusinessLogic();
            //List<DataRow> li=bLogic.FetchData(file);
            DataTable dt = bLogic.FetchData(file);
            string JSONString = string.Empty;
            JSONString = Newtonsoft.Json.JsonConvert.SerializeObject(dt);

            return JSONString;
        }
        public string GetCSVData()
        {
            //if (luc.ClearLuceneIndex())
            //{
            //    luc.AddUpdateLuceneIndex(li);
            //    luc.Optimize();
            //}

            string[] files = Directory.GetFiles(Server.MapPath("~/Upload"));//Gets the recent file
            string file = files[0];
            BusinessLogic bLogic = new BusinessLogic();
            //List<DataRow> li=bLogic.FetchData(file);
            DataTable dt = bLogic.FetchCSVData(file);
            string JSONString = string.Empty;
            JSONString = Newtonsoft.Json.JsonConvert.SerializeObject(dt);

            return JSONString;
        }