/// <summary>
    /// 删除所选文件
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void btnDelete_Click(object sender, EventArgs e)
    {
        int count = 0;
        int flag  = this.MailList.Rows.Count;

        Fannie.Mail ml2 = new Fannie.Mail();
        for (int i = 0; i < flag; i++)
        {
            CheckBox cb = (CheckBox)this.MailList.Rows[i].FindControl("CB1");
            if (cb.Checked == true)
            {
                ml2.DeleteMail(Convert.ToInt32(MailList.DataKeys[i].Value.ToString()));
            }
            else
            {
                count++;
            }
        }
        if (count == flag)
        {
            Response.Write("<script>alert('请先选择需要删除的记录');window.location.href='ReportOutbox.aspx';</script>");
        }
        else
        {
            Response.Write("<script>alert('已经删除所选记录');window.location.href='ReportOutbox.aspx';</script>");
        }
    }
    //删除本条记录
    protected void Delete_Click(object sender, EventArgs e)
    {
        Fannie.Mail ml   = new Fannie.Mail();
        int         flag = ml.DeleteMail(MailID);

        if (flag > 0)
        {
            Response.Write("<script>alert('此信息已被删除!');window.location='ReportOutbox.aspx';</script>");
        }
        else
        {
            Response.Write("<script>alert('信息未被删除!');window.location='ReportOutboxRead.aspx';</script>");
        }
    }