// 根据专业发送邮件
 protected void BtnInformSpec_Click(object sender, EventArgs e)
 {
     if (ddlSpeciality.SelectedValue != "null")
     {
         // 发送邮件
         EmailSender email = new EmailSender();
         List <TuitionMS.DAL.Students> students = finSrv.GetSpecStudent(ddlSpeciality.SelectedValue);
         foreach (TuitionMS.DAL.Students s in students)
         {
             if (s.studEmail != "")
             {
                 // 设置邮箱
                 email.SetEmailSender(s.studEmail);
                 // 发送邮件
                 email.Send(subject, s.studName + content);
             }
         }
         lbMessage.Text = "通知成功!";
     }
     else
     {
         lbMessage.Text = "请选择学院和专业";
     }
 }