it's a simple index and search application but i couldn't make it work. it doesn't give any error but it doesn't give any results too.

  1.
     using System;
  2.
     using System.Collections.Generic;
  3.
     using System.ComponentModel;
  4.
     using System.Data;
  5.
     using System.Drawing;
  6.
     using System.Linq;
  7.
     using System.Text;
  8.
     using System.Windows.Forms;
  9.
     using Lucene.Net;
 10.
     using Lucene.Net.Analysis.Standard;
 11.
     using Lucene.Net.Documents;
 12.
     using Lucene.Net.Index;
 13.
     using Lucene.Net.QueryParsers;
 14.
     using Lucene.Net.Search;
 15.
     using System.IO;
 16.
 17.
     namespace newLucene
 18.
     {
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     public partial class Form1 : Form
 20.
     {
 21.
     public Form1()
 22.
     {
 23.
                  InitializeComponent();
 24.
     }
 25.
 26.
     private void buttonIndex_Click(object sender, EventArgs e)
 27.
     {
 28.
                  IndexWriter indexwrtr = new
     IndexWriter(@"c:\index\",new StandardAnalyzer() , true);
 29.
                  Document doc = new Document();
 30.
     string filename = @"fer.txt";
 31.
                  Lucene.Net.QueryParsers.QueryParser df;
 32.
 33.
 34.
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     System.IO.StreamReader local_StreamReader = new
     System.IO.StreamReader(@"C:\z\fer.txt");
 36.
     string  file_text = local_StreamReader.ReadToEnd();
 37.
 38.
     System.Text.UTF8Encoding encoding = new System.Text.UTF8Encoding();
 39.
                  doc.Add(new
     Field("text",encoding.GetBytes(file_text),Field.Store.YES));
 40.
                  doc.Add(new
     Field("path",encoding.GetBytes(@"C:\z\"),Field.Store.YES));
 41.
                  doc.Add(new Field("title",
     encoding.GetBytes(filename), Field.Store.YES));
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                  indexwrtr.AddDocument(doc);
 43.
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                  indexwrtr.Optimize();
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                  indexwrtr.Close();
 46.
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     }
 48.
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     private void buttonSearch_Click(object sender, EventArgs e)
 50.
     {
 51.
                  IndexSearcher indxsearcher = new
     IndexSearcher(@"C:\index\");
 52.
 53.
                  QueryParser parser = new QueryParser("contents", new
     StandardAnalyzer());
 54.
                  Query query = parser.Parse(textBoxQuery.Text);
 55.
 56.
     //Lucene.Net.QueryParsers.QueryParser qp = new
     QueryParser(Lucene.Net.QueryParsers.CharStream
     s).Parse(textBoxQuery.Text);
 57.
                  Hits hits = indxsearcher.Search(query);
 58.
 59.
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     for (int i = 0; i < hits.Length(); i++)
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     {
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                      Document doc = hits.Doc(i);
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     string filename = doc.Get("title");
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     string path = doc.Get("path");
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     string folder = Path.GetDirectoryName(path);
 69.
 70.
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                      ListViewItem item = new ListViewItem(new string[]
     { null, filename, "asd", hits.Score(i).ToString() });
 72.
                      item.Tag = path;
 73.
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     this.listViewResults.Items.Add(item);
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                      Application.DoEvents();
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     }
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                  indxsearcher.Close();
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 80.
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 82.
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     }
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     }
 85.
     }


thanks

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