//methods void OpenRoomForm() { this.Hide(); RoomForm roomForm = new RoomForm(room, guest, staff); roomForm.Show(); }
//Обработка нажатия на кнопки private void AddBtn_Click(object sender, EventArgs e) { CreateGuest CreateGuestForm = new CreateGuest(); RoomForm CreateRoomForm = new RoomForm(); if (dataGridView1.Visible) { CreateGuestForm.Show(); } if (dataGridView2.Visible) { CreateRoomForm.Show(); } }