asp.net 導出Excel/Word的方法

//導出Excel/Word方法
        private bool ExportDataGrid(string FileType, string FileName) //導出Excel
        {
            try
            {
                //清除Response緩存內容
                HttpContext.Current.Response.Clear();
                //緩存輸出，並在完成整個響應之後將其發送
                HttpContext.Current.Response.Buffer = true;
                //strFileName指定輸出文件的名稱，注意其擴展名和指定文件類型相符，可以爲：.doc .xls .txt .htm
                //strFileName = strFileName + ".xls";
                //設置輸出流的HTPP字符集，確定字符的編碼格式
                //HttpContext.Current.Response.Charset = "UTF-8";
                HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
                //下面這行很重要， attachment 參數表示作爲附件下載，您可以改成 online在線打開
                HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(FileName));
                //Response.ContentType指定文件類型.可以爲application/ms-excel,application/ms-word,application/ms-txt,application/ms-html或其他瀏覽器可直接支持文檔　
                HttpContext.Current.Response.ContentType = "application/ms-" + FileType;
                //用GridView輸出
                outTable.Columns["i_gzrz_id"].ColumnName = "流水號";
                outTable.Columns["dtm_zxsj"].ColumnName = "撰寫時間";
                outTable.Columns["action"].ColumnName = "日誌內容";
                outTable.Columns["timeconsuming"].ColumnName = "耗時";
                outTable.Columns["progress"].ColumnName = "進度";
                outTable.Columns["important"].ColumnName = "重要程度";
                GridView dv = new GridView();
                dv.DataSource = outTable;
                dv.DataBind();
                try
                {
                    dv.Page.EnableViewState = false;
                }
                catch
                { }
                System.IO.StringWriter swBody = new System.IO.StringWriter();
                System.Web.UI.HtmlTextWriter hwBody = new System.Web.UI.HtmlTextWriter(swBody);
                //dv表示輸出GridView，你也可以綁定datagrid,或其他支持obj.RenderControl()屬性的控件
                dv.RenderControl(hwBody);
                //消除亂碼特別設定，非常規方法
                string strExcel = "";
                strExcel = "";
                strExcel += hwBody.InnerWriter.ToString();
                HttpContext.Current.Response.Write(strExcel);
                HttpContext.Current.Response.End();

                return true;
            }
            catch
            {
                return false;
            }
        }