private void ComboboxListTerm_SelectedIndexChanged(object sender, EventArgs e)
{
listCpForGroupAndDiscipline.Clear();
TermName = cmbTerm.Items[cmbTerm.SelectedIndex].ToString();
var list = WorkWithDB.GetAllCpForGroupAndDiscipline(GroupName, DisciplineName, TermName);
foreach (var cp in list)
{
listCpForGroupAndDiscipline.Add(cp);
}
lstBCp.DataSource = listCpForGroupAndDiscipline;
}