private void AddStudent_Load(object sender, EventArgs e)
{
grups = new Grups();
grups.OpenConnection(connectionString);
comboBox_Grups.Items.AddRange(grups.GetAllGrups());
grups.CloseConnection();
}
public DeleteGrup()
{
InitializeComponent();
connectionString = ConfigurationManager.AppSettings["connectionString"];
grups = new Grups();
grups.OpenConnection(connectionString);
this.comboBox_Grups.Items.AddRange(grups.GetAllGrups());
grups.CloseConnection();
}
public EnterMarks(int id)
{
InitializeComponent();
this.id = id;
connectionString = ConfigurationManager.AppSettings["connectionString"];
Predmets pr = new Predmets();
pr.OpenConnection(connectionString);
comboBox_Predmet.Items.AddRange(pr.GetPredmetsByPrepodId(id));
pr.CloseConnection();
Grups g = new Grups();
g.OpenConnection(connectionString);
comboBox_Group.Items.AddRange(g.GetAllGrups());
g.CloseConnection();
}