public void DataBindText(string drugid)
        {
            cReference refc = new cReference();

            try
            {
                DataTable dt = refc.GetRefTable(drugid);
                gv.Visible = (dt.Rows.Count > 0) ? true : false;
                if (dt.Rows.Count > 0)
                {
                    //绑定到GV
                    gv.DataSource = dt;
                    gv.DataBind();
                }
            }
            catch
            { }
        }