摘要：
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; } } 阅读全文
