private void noviUcenikButton_Click(object sender, EventArgs e)
{
Close();
Form frm = new NoviUcenikForm();
frm.Show();
}
private void izmijeniUcenikaButton_Click(object sender, EventArgs e)
{
int ucenikId = (int)uceniciGridView.CurrentRow.Cells["UcenikId"].Value;
Close();
Form frm = new NoviUcenikForm(ucenikId);
frm.Show();
}