private void refreshBtn_Click(object sender, EventArgs e) { panel1.Controls.Clear(); // clear stuff on panel1 groupBox1.Text = "Bar Service"; // set title of groupbox panel1.Controls.Add(SomerenUI.showBarService()); // show table in panel1 // add buttons and labels to the panel after refreshing the list panel1.Controls.Add(drinkAddBtn); panel1.Controls.Add(drinkDeleteBtn); panel1.Controls.Add(drinkUpdateBtn); panel1.Controls.Add(drinkNameLbl); panel1.Controls.Add(drinkPriceLbl); panel1.Controls.Add(drinkAmountLbl); panel1.Controls.Add(drinkAmountBox); panel1.Controls.Add(drinkNameBox); panel1.Controls.Add(drinkPriceBox); panel1.Controls.Add(refreshBtn); panel1.Controls.Add(LblInstructions); panel1.Controls.Add(boxId); panel1.Controls.Add(lblId); }