private void dgvSpisak_DoubleClick(object sender, EventArgs e)
{
int idNaloga = int.Parse(dgvSpisak.CurrentRow.Cells["id"].Value.ToString());
FormPackingList f1 = new FormPackingList(idNaloga);
f1.ShowDialog();
}
private void pakovanjeToolStripMenuItem1_Click(object sender, EventArgs e)
{
FormPackingList f1 = new FormPackingList();
this.groupBox1.Controls.Clear();
this.groupBox1.Controls.Add(f1.GetGroupBox());
f1.GetGroupBox().Dock = DockStyle.Fill;
f1.GetGroupBox().Show();
}