<location path="tch/Shopping/NCCReturn.aspx">

    <system.web>

      <globalization fileEncoding="utf-8" requestEncoding="big5" responseEncoding="utf-8" culture="zh-TW"/>

    </system.web>

  </location>

// 當Form沒有傳入 ArticleCategory, 則回傳空值

string strCategoryIDs = Request.Form["ArticleCategory"] == null ? string.Empty : Request.Form["ArticleCategory"];

-->

string strCategoryIDs = Request.Form["ArticleCategory"] ?? string.Empty;