private void SaveButton_Click(object sender, EventArgs e) { var list = NPCInfoListBox.SelectedItems.Cast <NPCInfo>().ToList(); if (list.Count == 0) { MessageBox.Show("Not selected any Npc"); return; } for (int i = 0; i < list.Count; i++) { NPCInfo.SaveNPCInfoDB(list[i]); } MessageBox.Show("Saved Npc(s)"); }