private void simpleButton23_Click(object sender, EventArgs e)
{
string s_state = FinInvoice.GetInvoiceState("3910", "00356006");
if (!string.IsNullOrEmpty(s_state))
{
XtraMessageBox.Show(s_state, "状态");
}
else
{
XtraMessageBox.Show("未获取到状态");
}
}