public string DeleteTraining(int id)
        {
            TrainingTableAdapter obj = new TrainingTableAdapter();
            int row = obj.DeleteQuery(id);

            return("success");
        }
        public string UpdateTraining(Training training, int id)
        {
            Training             tr  = new Training();
            TrainingTableAdapter obj = new TrainingTableAdapter();

            obj.UpdateQuery(tr.TrainingTitle, tr.TrainingCountry, tr.TopicCovered, tr.TrainingYear, tr.Traininginstitute, tr.TrainingDuration, tr.TrainingLocation, id);
            return("success");
        }
        public string saveTraining(Training training)
        {
            Training             tr  = new Training();
            TrainingTableAdapter obj = new TrainingTableAdapter();

            obj.InsertQuery(tr.TrainingTitle, tr.TrainingCountry, tr.TopicCovered, tr.TrainingYear, tr.Traininginstitute, tr.TrainingDuration, tr.TrainingLocation);
            return("success");
        }