摘要： using System.Net.Mail;//引入这个命名空间1.同步发送，程序将被阻塞 1 protected void Button1_Click(object sender, EventArgs e) 2 { 3 string path = Server.MapPath("~/uploadfiles/" + FileUpload1.FileName);//FileUpload1控件 4 FileUpload1.SaveAs(path);//保存上传的文件 5 MailMessag... 阅读全文