下载word文档

protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        string courseName = ((Label)GridView1.Rows[e.RowIndex].Cells[1].FindControl("Label1")).Text.ToString();//在GridView中文件名字
        string time = ((Label)GridView1.Rows[e.RowIndex].Cells[2].FindControl("Label2")).Text.ToString();//在GridView中找时间
        string tempPath = BusyworkManage.Path + tm.ReturnTeacherID(Request.Cookies["StudentID"].Value.ToString()) +BusyworkManage.TopicPath + 
courseName + "/" + courseName + "_" + time + ".doc";//这样做是为了不使下载后的文件的名字重复！~~。
        string path = Server.MapPath(tempPath);
        FileInfo fInfo = new FileInfo(path);
        string fname = fInfo.Name;
        Response.Clear();
        Response.AddHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(fname));
        Response.AddHeader("Content-Length", fInfo.Length.ToString());
        Response.ContentType = "application/octet-stream";
        Response.WriteFile(fInfo.FullName);
        Response.Flush();

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" Height="139px"
        Width="100%" OnRowDeleting="GridView1_RowDeleting" 
            onselectedindexchanged="GridView1_SelectedIndexChanged">
        <Columns>
　　　　　　　　。。。。。。省略代码。。。。。
            <asp:BoundField DataField="成绩" HeaderText="成绩">
                <ItemStyle HorizontalAlign="Center" />
            </asp:BoundField>
            <asp:CommandField ButtonType="Button" DeleteText="下作业载" ShowDeleteButton="True">
                <ItemStyle HorizontalAlign="Center" />
            </asp:CommandField>
            <asp:HyperLinkField Text="提交作业" DataNavigateUrlFormatString="SubmitBusywork.aspx?course={0}&amp;time={1}" DataNavigateUrlFields="课程名称,作业次数">
                <ItemStyle HorizontalAlign="Center" />
            </asp:HyperLinkField>
        </Columns>
    </asp:GridView>