ASP.NET导出word文档并下载

//按钮生成事件
protected void Button1_Click(object sender, EventArgs e)  
{
	string number = "2017101600001";//编号 	//number是对应word中的number标签
	string createdate = "2017-10-16";//日期  	//createdate是对应word中的number标签
	string title = "文章标题文章标题";//标题 		//title 是对应word中的title 标签
	string username = "管理员姓名";//名称           	//username 是对应word中的username 标签
	OutWord(number, createdate, title, username);    //生成事件
}
//生成word文档
public void OutWord(string number, string createdate, string title, string username)
{ 
//定义word文档，含标签
	string docmb = System.Web.HttpContext.Current.Server.MapPath("/upload/template.doc");
	Document doc = new Document(docmb); //引用Aspose.Words.dll第三方类
	doc.Range.Bookmarks["number"].Text = number;  //写入标签中的值
	doc.Range.Bookmarks["createdate"].Text = createdate;
	doc.Range.Bookmarks["title"].Text = title;
	doc.Range.Bookmarks["username"].Text = username;           
	string Create = DateTime.Now.ToString("yyyyMMddhhmmss");
	string savepath = System.Web.HttpContext.Current.Server.MapPath("/upload/网上信息公开申请表.doc");//新文档路径  
	doc.Save(savepath);//保存文件
	FileDown(savepath);//下载
}
/// <summary>
/// 文件下载
/// </summary>
/// <param name="filepath"></param>
public void FileDown(string filepath)
{
	FileInfo fi = new FileInfo(filepath);
	HttpContext.Current.Response.Clear();
	HttpContext.Current.Response.ClearHeaders();
	HttpContext.Current.Response.Buffer = false;
	HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(Path.GetFileName(filepath), System.Text.Encoding.UTF8)); //输入文档流
	HttpContext.Current.Response.AppendHeader("Content-Length", fi.Length.ToString());
	HttpContext.Current.Response.ContentType = "application/octet-stream"; //定义格式
	HttpContext.Current.Response.WriteFile(filepath);  //下载文件
	HttpContext.Current.Response.Flush();
	HttpContext.Current.Response.End();
}