private void buttonDelete_Click(object sender, EventArgs e) { if (listBox1.SelectedItem != null) { Food_calculator.Substraction(listBox1.SelectedItem.ToString()); refreshDataSource(); } }
private void buttonOk_Click(object sender, EventArgs e) { string checkedItems = ""; if (listBoxFruits.SelectedItem != null) { checkedItems = (string)listBoxFruits.SelectedItem; } else if (listBoxVeget.SelectedItem != null) { checkedItems = (string)listBoxVeget.SelectedItem; } Food_calculator.Additionplus(checkedItems, Convert.ToInt32(textBoxWeight.Text)); winone.refreshDataSource(); Close(); }