public ActionResult SearchText([FromBody] string fileName, [FromBody] string keyWord) { List <string> extractedText = new List <string>(); ExtractorFactory factory = new ExtractorFactory(); string filePath = Server.MapPath("../App_Data//Uploads//" + fileName); try { //ExStart:SearchTextInDocuments //get file actual path using (WordsTextExtractor extractor = new WordsTextExtractor(filePath)) { ListSearchHandler handler = new ListSearchHandler(); extractor.Search(new SearchOptions(SearchHighlightOptions.CreateFixedLengthOptions(10)), handler, null, new string[] { keyWord }); if (handler.List.Count == 0) { Console.WriteLine("Not found"); } else { for (int i = 0; i < handler.List.Count; i++) { extractedText.Add("Text at Left: " + handler.List[i].LeftText); extractedText.Add("Found Text: " + handler.List[i].FoundText); extractedText.Add("Text at Right: " + handler.List[i].RightText); } } } //ExEnd:SearchTextInDocuments } catch (Exception ex) { extractedText.Add(ex.Message); } return(Json(extractedText, JsonRequestBehavior.AllowGet)); }