public Task <int> SaveTunerAsync(Tuner tuner)
 {
     //Tuner prevTuner = Database.Table<Tuner>().Where(t => t.Name == tuner.Name).FirstAsync().Result;
     //if ( prevTuner != null)
     //{
     //    return Database.UpdateAsync(tuner);
     //}
     //else
     //{
     //    return Database.InsertAsync(tuner);
     //}
     return(Database.InsertAsync(tuner));
 }
 public Task <int> DeleteItemAsync(Tuner tuner)
 {
     return(Database.DeleteAsync(tuner));
 }