1
1 Choose Normal Or special如何檢查組合框C#不選擇相同的指數
3選擇正常價格-5
4而是選擇同樣是價格雙
private void comboType_SelectedIndexChanged(object sender, EventArgs e)
{
if (lblProID.Text == "")
{
//MessageBox.Show("Please Find Food");
txtAmount.Text = "";
buttonFind.Focus();
}
else if (comboType.SelectedIndex == 1)
{
lblProCost.Text = (Convert.ToDouble(lblProCost.Text) + (5)).ToString("#,##0.00");
}
else
{
lblProCost.Text = (Convert.ToDouble(lblProCost.Text) - (5)).ToString("#,##0.00");
}
}
邏輯如果選擇正常(價格-5) 其他選擇特殊(價格+5) 我想檢查如果選擇相同的索引不是總價 或者你有想法新的幫助我!感謝