public partial class _Default : System.Web.UI.Page
{

    public class ExportData ///导出报表数据存入word或excel文件
    {

        public ExportData()
        {
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }

        /**//// <summary>
        /// 将Web控件或页面信息导出(不带文件名参数)
        /// </summary>
        /// <param name="source">控件实例</param>        
        /// <param name="DocumentType">导出类型:Excel或Word</param>
        public void ExportControl(System.Web.UI.Control source, string DocumentType)
        {
            //设置Http的头信息,编码格式
            if (DocumentType == "Excel")
            {
                //Excel            
                HttpContext.Current.Response.AppendHeader("Content-Disposition","attachment;filename="+ HttpUtility.UrlEncode("下载文件.xls",System.Text.Encoding.UTF8));
                HttpContext.Current.Response.ContentType = "application/ms-excel";
            }

            else if (DocumentType == "Word")
            {
                //Word
                HttpContext.Current.Response.AppendHeader("Content-Disposition","attachment;filename="+ HttpUtility.UrlEncode("下载文件.doc",System.Text.Encoding.UTF8));
                HttpContext.Current.Response.ContentType = "application/ms-word";
            }

            HttpContext.Current.Response.Charset = "UTF-8";  
            HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF8;

            //关闭控件的视图状态
            source.Page.EnableViewState =false;    

            //初始化HtmlWriter
            System.IO.StringWriter writer = new System.IO.StringWriter() ;
            System.Web.UI.HtmlTextWriter htmlWriter = new System.Web.UI.HtmlTextWriter(writer);
            source.RenderControl(htmlWriter);

            //输出
            HttpContext.Current.Response.Write(writer.ToString());
            HttpContext.Current.Response.End();
        }

        /**//// <summary>
        /// 将Web控件或页面信息导出(带文件名参数)
        /// </summary>
        /// <param name="source">控件实例</param>        
        /// <param name="DocumentType">导出类型:Excel或Word</param>
        /// <param name="filename">保存文件名</param>
        public void ExportControl(System.Web.UI.Control source, string DocumentType, string filename)
        {
            //设置Http的头信息,编码格式
            if (DocumentType == "Excel")
            {
                //Excel            
                HttpContext.Current.Response.AppendHeader("Content-Disposition","attachment;filename="+ HttpUtility.UrlEncode(filename+".xls",System.Text.Encoding.UTF8));
                HttpContext.Current.Response.ContentType = "application/ms-excel";            
            }

            else if (DocumentType == "Word")
            {
                //Word
                HttpContext.Current.Response.AppendHeader("Content-Disposition","attachment;filename="+ HttpUtility.UrlEncode(filename+".doc",System.Text.Encoding.UTF8));
                HttpContext.Current.Response.ContentType = "application/ms-word";
            }

            HttpContext.Current.Response.Charset = "UTF-8";  
            HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF8;

            //关闭控件的视图状态
            source.Page.EnableViewState =false;    

            //初始化HtmlWriter
            System.IO.StringWriter writer = new System.IO.StringWriter() ;
            System.Web.UI.HtmlTextWriter htmlWriter = new System.Web.UI.HtmlTextWriter(writer);
            source.RenderControl(htmlWriter);

            //输出
            HttpContext.Current.Response.Write(writer.ToString());
            HttpContext.Current.Response.End();
        }



        //方法ExportControl(System.Web.UI.Control source, string DocumentType,string filename)中
        //第一个参数source表示导出的页面或控件名,当为datagrid或dataList控件时，在导出Excel/word文件时，必须把控件的分页、排序等属性去除并重新绑定，
        //第二个参数DocumentType表示导出的文件类型word或excel
        //第三个参数filename表示需要导出的文件所取的文件名
        //调用方法：
        //ExportData export=new ExportData();
        //export.ExportControl(this, "Word","testfilename");//当为this时表示当前页面
        //这是将整个页面导出为Word,并命名为testfilename

    }
}