private void button1_Click(object sender, EventArgs e) { for (int i = 0; i < 100; i++) { if ((f1.products[i].name.CompareTo((string)comboBox1.SelectedItem) == 0) && (f1.products[i].stock >= 0)) { f1.products[i].name = Convert.ToString(textBox1.Text); f1.products[i].price = Convert.ToDouble(textBox2.Text); f1.products[i].stock = Convert.ToInt32(textBox3.Text); f1.queryComboBox.Items.Clear(); for (int j = 0; j < 100; j++) { if (f1.products[j].stock >= 0) { f1.queryComboBox.Items.Add(f1.products[j].name); } } f1.Synchronize(); comboBox1.Items.Clear(); for (int j = 0; j < 100; j++) { if (f1.products[j].stock >= 0) { comboBox1.Items.Add(f1.products[j].name); } } break; } } }
private void button1_Click(object sender, EventArgs e) { for (int i = 0; i < 100; i++) { if (f1.products[i].stock < 0) { f1.products[i].name = Convert.ToString(textBox1.Text); f1.products[i].price = Convert.ToDouble(textBox2.Text); f1.products[i].stock = Convert.ToInt32(textBox3.Text); f1.queryComboBox.Items.Add(f1.products[i].name); f1.Synchronize(); break; } } MessageBox.Show("添加成功"); }