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  • C# 导出Excel或Word

        /// <summary>
        /// 导出Excel
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Button1_Click(object sender, EventArgs e)
        {
            Export("application/ms-excel", "Employee information.xls");
        }
        /// <summary>
        /// 定义导出Excel的函数
        /// </summary>
        /// <param name="FileType"></param>
        /// <param name="FileName"></param>
        private void Export(string FileType, string FileName)
        {
            Response.Charset = "GB2312";
            Response.ContentEncoding = System.Text.Encoding.UTF8;
            Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(FileName, Encoding.UTF8).ToString());
            Response.ContentType = FileType;
            this.EnableViewState = false;
            StringWriter tw = new StringWriter();
            HtmlTextWriter hw = new HtmlTextWriter(tw);
            GridView1.RenderControl(hw);
            Response.Write(tw.ToString());
            Response.End();
        }
        /// <summary>
        /// 此方法必重写,否则会出错
        /// </summary>
        /// <param name="control"></param>
        public override void VerifyRenderingInServerForm(Control control)
        {
        }
        protected void Button2_Click(object sender, EventArgs e)
        {
            //Export("application/ms-excel", "Employee.doc");
            Export("application/ms-word", "员工信息.doc");//都可以
        }

    //如果没有下面方法会报错类型“GridView”的控件“GridView1”必须放在具有 runat=server 的窗体标记内
    public override void VerifyRenderingInServerForm(Control control)
    {
    }


    还有由于是文件操作所以要引入名称空间IO和Text
    2.读取Excel:
    private DataSet CreateDataSource()
    {
            string strCon;
            strCon = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("excel.xls") + "; Extended Properties=Excel 8.0;";
            OleDbConnection olecon = new OleDbConnection(strCon);
            OleDbDataAdapter myda = new OleDbDataAdapter("SELECT * FROM [Sheet1$]", strCon);
            DataSet myds = new DataSet();
            myda.Fill(myds);
            return myds;
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
            GridView1.DataSource = CreateDataSource();
            GridView1.DataBind();
    }

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  • 原文地址:https://www.cnblogs.com/Shirly-Zhang/p/5231564.html
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