FR.doHyperlink(window.event, [{"data":"var as=arguments; return FR.tc(function(){FR.doHyperlinkByGet4Reportlet({\"para\":{\"col\":\"col()\",\"__pi__\":false,\"row\":\"7\"},\"feature\":\"width=400,height=300,\",\"title\":\"网络报表1\",\"url\":\"/WebReport/ReportServer?reportlet=%2F%5B9879%5D%5B76ee%5D%5B4e00%5D%5B6700%5D%5B65b0%5D%5B7248%5D%5B5bf9%5D%5B8bdd%5D%5B6846%5D.cpt%26op%3Dwrite\",\"target\":\"_dialog\"})}, this, as)","name":"网络报表1"}], true)

如上为一段打开子报表的代码，其中传给row的值为7，希望为该行动态行号，公式值为row(),应该怎么做？