Asp.net中导出Excel文档（Gridview）

主要思路，通过GridView来导出文档。

新建一个Aspx页面，页面创建GridView控件，后台绑定好数据源。
然后load中直接打印即可导出

前台的GridView

<asp:GridView ID="GridView1" BorderColor="Black" runat="server" AutoGenerateColumns="False"
            Font-Size="12px" Width="656px" AllowSorting="True" Height="172px">
            <Columns>
                <asp:BoundField DataField="Name" HeaderText="姓名" />
                <asp:BoundField DataField="Sex" HeaderText="性别" />
                <asp:BoundField DataField="BirthDay" HeaderText="出生日期" />
                <asp:BoundField DataField="StudentId" HeaderText="身份证号" />
                <asp:BoundField DataField="JieduId" HeaderText="借读证号" />
                <asp:BoundField DataField="Familymemberinfo_Name1" HeaderText="第一监护人姓名" />
            </Columns>
            <HeaderStyle BackColor="Azure" Font-Size="12px" HorizontalAlign="Center" />
            <RowStyle HorizontalAlign="Center" />
            <PagerStyle HorizontalAlign="Center" />
        </asp:GridView>

后台：

        /// <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)
        {
            for (int i = 0; i < GridView1.Rows.Count; i++)
            {
                //这里给指定的列编辑格式，将数字输出为文本，防止数字溢出
                GridView1.Rows[i].Cells[3].Attributes.Add("style", "vnd.ms-excel.numberformat:@");
            }
            Response.Charset = "GB2312";
            //Response.ContentEncoding = System.Text.Encoding.UTF8;
            Response.ContentEncoding = System.Text.Encoding.GetEncoding("gb2312");
            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)
        {
        }