public OperationResult <List <Note> > List()
 {
     try
     {
         var transactionOptions = new TransactionOptions
         {
             IsolationLevel = IsolationLevel.ReadCommitted,
             Timeout        = TimeSpan.FromSeconds(30)
         };
         using (var ts = new TransactionScope(TransactionScopeOption.Required, transactionOptions, TransactionScopeAsyncFlowOption.Enabled))
         {
             var result = _dao.List();
             ts.Complete();
             return(new OperationResult <List <Note> >()
             {
                 Success = true, Result = result
             });
         }
     }
     catch (Exception e)
     {
         return(new OperationResult <List <Note> >()
         {
             Success = false, Exception = e
         });
     }
 }
 public OperationResult <List <Categories> > FullList()
 {
     try
     {
         using (var scope = new TransactionScope(TransactionScopeOption.Required, transactionOptions, TransactionScopeAsyncFlowOption.Enabled))
         {
             var list = _dao.List();
             scope.Complete();
             return(new OperationResult <List <Categories> >()
             {
                 Success = true, Result = list
             });
         }
     }
     catch (Exception e)
     {
         return(new OperationResult <List <Categories> >()
         {
             Success = false, Exception = e
         });
     }
 }
 public OperationResult <List <TimesOfDay> > FullList()
 {
     try
     {
         using (var scope = new TransactionScope(TransactionScopeOption.Required, opts, TransactionScopeAsyncFlowOption.Enabled))
         {
             var res = _dao.List();
             scope.Complete();
             return(new OperationResult <List <TimesOfDay> >()
             {
                 Success = true, Result = res
             });
         }
     }
     catch (Exception e)
     {
         return(new OperationResult <List <TimesOfDay> >()
         {
             Success = false, Exception = e
         });
     }
 }