事件
添加控件的 keyPress
事件
只能输入字母
private void onlyLetter_KeyPress(object sender, KeyPressEventArgs e)
{
//允许输入字母和backspace键
if (Regex.IsMatch(e.KeyChar+"", "^[A-Za-z]+$") || e.KeyChar == 8)
e.Handled = false;
else
e.Handled = true;
}
只能输入数字
private void onlyNumber_KeyPress(object sender, KeyPressEventArgs e)
{
//允许输入数字和backspace键
if ((e.KeyChar >= '0' && e.KeyChar <= '9') || e.KeyChar == 8)
e.Handled = false;
else
e.Handled = true;
}