.net頁面載入顯示word檔案

<pre name="code" class="html">

 protected void Page_Load(object sender, EventArgs e)
        {
            string filename = WordToHtml(Server.MapPath(Request.Params["text"]));
            string title = Request.Params["title"];
            string titleHtml = title;
            StreamReader fread = new StreamReader(filename, System.Text.Encoding.GetEncoding("gbk"));
            string ss = fread.ReadToEnd();
            this.content.InnerHtml = ss;
            this.title.InnerText = titleHtml;
            fread.Close();
            fread.Dispose();
        }

/// <summary> 
        /// word轉成html 
        /// </summary> 
        /// <param name="wordFileName"></param> 
        private string WordToHtml(object wordFileName)
        {
            //在此處放置使用者程式碼以初始化頁面 
            Word.Application word = new Word.Application();
            Type wordType = word.GetType();
            Word.Documents docs = word.Documents;
            //開啟檔案 
            Type docsType = docs.GetType();
            Word.Document doc = (Word.Document)docsType.InvokeMember("Open", System.Reflection.BindingFlags.InvokeMethod, null, docs, new Object[] { wordFileName, true, true });
            //轉換格式，另存為 
            Type docType = doc.GetType();
            string wordSaveFileName = wordFileName.ToString();
            string strSaveFileName = wordSaveFileName.Substring(0, wordSaveFileName.Length - 3) + "html";
            object saveFileName = (object)strSaveFileName;
            docType.InvokeMember("SaveAs", System.Reflection.BindingFlags.InvokeMethod, null, doc, new object[] { saveFileName, Word.WdSaveFormat.wdFormatFilteredHTML });
            docType.InvokeMember("Close", System.Reflection.BindingFlags.InvokeMethod, null, doc, null);
            //退出 Word 
            wordType.InvokeMember("Quit", System.Reflection.BindingFlags.InvokeMethod, null, word, null);
            return saveFileName.ToString();
        }