private void Form_ViewCarForRent_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.F && e.Modifiers == Keys.Control)
            {
                this.TopMost = false;

                ProductArr productArr = new ProductArr();
                productArr.Fill();

                Form_FilterView newform = new Form_FilterView(productArr.MaxPriceRent().ToString());

                if (newform.ShowDialog() == DialogResult.OK)
                {
                    this.dgv_Cars.Rows.Clear();

                    ShowColumns(newform.GetCars());
                }

                this.TopMost = true;
            }

            else if (e.KeyCode == Keys.I && e.Modifiers == Keys.Control)
            {
                // Show Instructions


                lbl_Instructions.Visible = isopen;
                isopen = !isopen;
            }

            else if (e.KeyCode == Keys.Escape)
            {
                Form_MidView newform = new Form_MidView(newemployee, form);
                form.OpenForm(newform);
            }

            else if (e.KeyCode == Keys.N && e.Modifiers == Keys.Control)
            {
                Form_Product newform = new Form_Product(newemployee);
                form.OpenForm(newform);
                form.MovePanel(form.btn_Product);
            }
        }