private void ExpertControl(System.Web.UI.Control repeater, DocumentType type)
        {
            //设置Http的头信息,编码格式
            if (type == DocumentType.Excel)
            {
                //Excel
                Response.AppendHeader("Content-Disposition", "attachment;filename=result.xls");
                Response.ContentType = "application/ms-excel";
            }
            else if (type == DocumentType.Word)
            {
                //Word
                Response.AppendHeader("Content-Disposition", "attachment;filename=result.doc");
                Response.ContentType = "application/ms-word";
            }
            Response.Charset = "UTF-8";
            Response.ContentEncoding = System.Text.Encoding.UTF8;

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

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

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

        //文档类型
        public enum DocumentType
        {
            Word,
            Excel
        }

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  调用方法:

  ExpertControl(this, DocumentType.Word);

  这是将整个页面导出为Word

  //this可以为具体的控件如datagrid/dataList或page表示当前页,DocumentType为导出的文件格式(Excel/word)

  注意:当为datagrid或dataList控件时,在导出Excel/word文件时,必须把控件的分页、排序属性去除并重新绑定,否则将出现

  "类型“DataGridLinkButton”的控件“DataGrid1__ctl14__ctl1”必须放在具有 runat=server 的窗体标记内。"错误!