求助新手問題

Question

private void ID_check()
{
if (Request["id1"].IndexOf(",")>0)
{
Response.Write("<script>alert(\"checkbox选择有误!!\")</script>");
           
}
}我現在有一個判斷函數..我想如果在if的條件里..就彈出一個對話框..
然後就結束下面的代碼不執行..
請教該怎麼寫

Answer 1

private void ID_check()
{
if (Request["id1"].IndexOf(",")>0)
{
      Response.Write("<script>alert(\"checkbox选择有误!!\")</script>");
      return;     
}
}

Answer 2

1.
  Response.Write("<script language=javascript> window.alert('±&pound;&acute;&aelig;&sup3;&Eacute;&sup1;&brvbar;');</script>");
2.
  Response.Write("<script>alert('"+_OperateWarning+"');</script>");