title: TextBox value not updated
body: <p>I am fetching data from database to textbox using Linq.When i try update the same textbox value,it does not work.</p>
  
  <pre><code>DAL.TournamentsDataContext tdc = new SchoolSports.DAL.TournamentsDataContext();
          var tournamentTable = tdc.GetTable&lt;DAL.Tournament&gt;();
          var tournamentRecord = (from rec in tournamentTable
                                  where rec.TournamentId == TournamentId
                                  select rec).Single();           
  
          tournamentRecord.Tournament_type = Tournament_type;
          tournamentRecord.Tournament_Name = Tournament_Name; ;
          tournamentRecord.Tournament_Level = Tournament_Level;
          tournamentRecord.Tournament_For = Tournament_For;
          tournamentRecord.Country_Code = Country_Code;
          tournamentRecord.Tournament_Status = Tournament_Status;
          tournamentRecord.Tournament_begin_date = Tournament_begin_date;
          tournamentRecord.Tournament_end_date = Tournament_end_date;
          tournamentRecord.Sponsored_By = Sponsored_By;
          tournamentRecord.Tournament_Details = Tournament_Details;
  
          var organiserTable = tdc.GetTable&lt;DAL.Organiser&gt;();
          var organiserRecord = (from rec in organiserTable
                                 where rec.Tournament_Id == TournamentId
                                 select rec).Single();    
          organiserRecord.Name_Of_Organiser = OrName;
          organiserRecord.Telephone = OrTeleNo;
          organiserRecord.Email = OrEmail;
          organiserRecord.Mobile = OrMobile;
          organiserRecord.Fax = OrFax;
  
          if (Tournament_For == "School")
          {
  
              var invitedSchoolIdTable = tdc.GetTable&lt;DAL.Invited_School&gt;();
              var invitedSchoolIdRecord = (from rec in invitedSchoolIdTable
                                           where rec.Tournament_Id == TournamentId
                                           select rec).Single();
              invitedSchoolIdRecord.School_Ids = SchoolUniIds;
  
          }
          if (Tournament_For == "University")
          {
  
              var invitedUniversityTable = tdc.GetTable&lt;DAL.Invited_University&gt;();
              var invitedUniversityIdRecord = (from rec in invitedUniversityTable
                                               where rec.Tournament_Id == TournamentId
                                               select rec).Single();
              invitedUniversityIdRecord.University_Ids = SchoolUniIds;
  
          }
          tdc.SubmitChanges();
  </code></pre>