复制代码 代码如下:

private void txtBarCode_KeyPress(object sender, KeyPressEventArgs e)

{

int ikc = (int)e.KeyChar;

if ((!System.Text.RegularExpressions.Regex.IsMatch(e.KeyChar.ToString(), "[0-9]")) && ((int)e.KeyChar) != 8)

{

e.Handled = true;

return;

}

}