private void btnIzmena_Click(object sender, EventArgs e)
        {
            Control activeForm = this.FindForm();
            Point   location   = new Point(((Form1)activeForm).Location.X + 2, ((Form1)activeForm).Location.Y + 25);

            back = new Background();
            back.Show();
            back.Location = location;

            Image image = new Bitmap(222, 121);

            Sportiste_Collection.getInstance.Sportiste_collection.ContainsKey(new Guid(dgvSportisti.SelectedCells[0].Value.ToString()));
            foreach (KeyValuePair <Guid, Sportista> sportista in Sportiste_Collection.getInstance.Sportiste_collection)
            {
                if (sportista.Key.Equals(new Guid(dgvSportisti.SelectedCells[0].Value.ToString())))
                {
                    if (sportista.Value.Image != null)
                    {
                        image = new Bitmap(sportista.Value.Image);
                    }
                }
            }

            DodavanjeSportista dodavanjeSportista = new DodavanjeSportista(new Guid(dgvSportisti.SelectedCells[0].Value.ToString()), dgvSportisti.SelectedCells[1].Value.ToString(), dgvSportisti.SelectedCells[2].Value.ToString(), dgvSportisti.SelectedCells[3].Value.ToString(), dgvSportisti.SelectedCells[4].Value.ToString(), dgvSportisti.SelectedCells[5].Value.ToString(), dgvSportisti.SelectedCells[6].Value.ToString(), image);

            dodavanjeSportista.ShowDialog();
        }
        private void btnDodavanje_Click(object sender, EventArgs e)
        {
            Control            activeForm         = this.FindForm();
            Point              location           = new Point(((Form1)activeForm).Location.X + 2, ((Form1)activeForm).Location.Y + 25);
            DodavanjeSportista dodavanjeSportista = new DodavanjeSportista();

            back = new Background();
            back.Show();
            back.Location = location;
            dodavanjeSportista.ShowDialog();
        }
        private void btnDodavanje_Click(object sender, EventArgs e)
        {
            DodavanjeSportista dodavanjeSportista = new DodavanjeSportista();

            dodavanjeSportista.ShowDialog();
        }