protected void btn_Delete_Click(object sender, EventArgs e)
    {
        if (ViewState["ID"] != null)
        {
            AC_AccountMonthBLL _accountmonthbll= new AC_AccountMonthBLL(int.Parse(ViewState["ID"].ToString()));
            if (_accountmonthbll.Delete() < 0)
            {
                lbl_AlertInfo.Text = "删除会计月失败";
                return;
            }
        }
        else
        {
           lbl_AlertInfo.Text ="请选择要删除的会计月";
            return;
        }

        Response.Redirect("AccountMonth.aspx");
    }
    protected void btn_Delete_Click(object sender, EventArgs e)
    {
        if (ViewState["ID"] != null)
        {
            AC_AccountMonthBLL _accountmonthbll = new AC_AccountMonthBLL(int.Parse(ViewState["ID"].ToString()));
            if (_accountmonthbll.Delete() < 0)
            {
                lbl_AlertInfo.Text = "删除会计月失败";
                return;
            }
        }
        else
        {
            lbl_AlertInfo.Text = "请选择要删除的会计月";
            return;
        }

        Response.Redirect("AccountMonth.aspx");
    }