private void add_btn_Click(object sender, EventArgs e) { room_mod addNewRoom = new room_mod(); addNewRoom.ShowDialog(); refresh(); }
private void add_room_btn_Click(object sender, EventArgs e) { this.Hide(); room_mod addNewRoom = new room_mod(); addNewRoom.ShowDialog(); this.Show(); DBConnection con = new DBConnection(); string myQuery = $"SELECT room_id FROM room"; con.Reader(myQuery, "room_id", room_combx); myQuery = $"SELECT room_id FROM room ORDER BY room_id DESC LIMIT 1"; room_combx.SelectedItem = con.Reader(myQuery, "room_id"); }