ASP.NET

DataTable dt = new DataTable();
      // dt.Columns.Add("S.No", typeof(string));
      dt.Columns.Add("NeckLace", typeof(string));
      DataRow dr;
      int i = 1;
      foreach (string file in Directory.GetFiles(Server.MapPath(@"NeckLace\")))
      {
          //string nm = Path.GetFileName(file);
          dr = dt.NewRow();
          // dr[0] = i.ToString();
          dr[0] = ResolveUrl(file);
          dt.Rows.Add(dr);
          i += 1;
      }
      GridView1.DataSource = dt;
      GridView1.DataBind();