private void repositoryEditScore_ButtonClick(object sender, DevExpress.XtraEditors.Controls.ButtonPressedEventArgs e)
{
int id_Score = int.Parse(gvScores.GetFocusedRowCellValue("id_Score").ToString());
FRM_Add_EditStudyBook frm = new FRM_Add_EditStudyBook(id_Score, "Edit");
frm.ShowDialog();
loadScoresForOneStudent(int.Parse(labelControlIdStudent.Text));
}
void AddSubjectNameAndScore()
{
int id_Student = int.Parse(labelControlIdStudent.Text);
FRM_Add_EditStudyBook frm = new FRM_Add_EditStudyBook(id_Student, "Add");
frm.ShowDialog();
loadScoresForOneStudent(id_Student);
}