private void bAdd_Click(object sender, EventArgs e)
{
var studyGroupIndex = cbStudyGroup.SelectedIndex;
var subjectIndex = cbSubject.SelectedIndex;
var studyGroupSubject = new StudyGroupSubjectModel()
{
SubjectID = _subjects[subjectIndex].Id.Value,
StudyGroupID = _studyGroups[studyGroupIndex].Id
};
var subjectExist = DbService.StudyGroupSubject(studyGroupSubject.StudyGroupID, studyGroupSubject.SubjectID);
if (subjectExist.Count == 0)
{
EventGenerator.GenerateEventsAfterPairing(studyGroupSubject);
DbService.StudyGroupSubjectInsert(studyGroupSubject);
}
CheckSubjects();
this.Close();
}