protected void bt_OK_Click(object sender, EventArgs e)
    {
        BBS_BoardBLL _bll = null;

        if (bt_OK.Text == "添加")
        {
            _bll = new BBS_BoardBLL();
        }
        else
        {
            _bll = new BBS_BoardBLL((int)ViewState["ID"]);
        }

        UC_Board.GetData(_bll.Model);


        if (bt_OK.Text == "添加")
        {
            _bll.Model.Catalog = (int)ViewState["CatalogID"];
            ViewState["ID"]    = _bll.Add();
        }
        else
        {
            _bll.Update();
        }
        MessageBox.ShowAndRedirect(this, "保存成功", "index.aspx");
    }
    private void BindData()
    {
        BBS_BoardBLL bll = new BBS_BoardBLL((int)ViewState["ID"]);

        UC_Board.BindData(bll.Model);

        bt_OK.Text      = "修改";
        bt_OK.ForeColor = System.Drawing.Color.Red;
    }