//EDIT SEMESTER private void editSemester_Click(object sender, EventArgs e) { string title = f_semestersList.SelectedItem?.ToString(); if (string.IsNullOrEmpty(title)) { return; } Semester editSemester = subject.Semesters.Where(s => s.Title == title).First(); remove_semester(editSemester.Title); AddSemester newSemester = new AddSemester(editSemester); newSemester.ShowDialog(); add_semester(newSemester.semester); }
//ADD NEW SEMESTER TO LIST private void f_newSemesterBtn_Click(object sender, EventArgs e) { if (string.IsNullOrEmpty(f_titleLbl.Text)) { Messanger.Warning("First, you need to create subject"); return; } AddSemester newSemester = new AddSemester(); newSemester.ShowDialog(); if (string.IsNullOrEmpty(newSemester.semester.Title)) { return; } add_semester(newSemester.semester); }