private void BtnStudentErase_Click(object sender, EventArgs e)
{
if (DgwStudents.SelectedRows.Count == 0)
{
MessageBox.Show("Selezionare nella griglia un allievo da cancellare");
return;
}
string deletingStudent = (string)DgwStudents.SelectedRows[0].Cells["LastName"].Value +
" " + (string)DgwStudents.SelectedRows[0].Cells["FirstName"].Value;
if (MessageBox.Show("Devo eliminare l'allievo " + deletingStudent + "?" +
"\r\nL'allievo verrà solo eliminato dalla classe e mantenuto nel database",
"Conferma", MessageBoxButtons.YesNo)
== DialogResult.No)
{
return;
}
int IdDeletingStudent = (int)DgwStudents.SelectedRows[0].Cells["IdStudent"].Value;
db.DeleteOneStudentFromClass(IdDeletingStudent,
((Class)(CmbClasses.SelectedItem)).IdClass);
DgwStudents.DataSource = db.GetStudentsOfClassList(TxtOfficialSchoolAbbreviation.Text,
idSchoolYear, CmbClasses.Text, false);
}
