System.Web.HttpUtility.UrlEncode(url); //在js下如何运用？？？？？？？？？？？？

Question

<asp:HyperLinkColumn Text="查看详细" DataNavigateUrlField="路径" DataNavigateUrlFormatString="javascript:var win=window.showModelessDialog('WebForm3.aspx?path_={0}','play','status:yes;center:yes;help:no;scroll:no;minimize:yes;maximize:yes;resizable:yes;border:thin;dialogWidth:700px; dialogHeight:600px')"
HeaderText="查看详细"></asp:HyperLinkColumn>
-----------------------------------------------------------System.Web.HttpUtility.UrlEncode(url);
'WebForm3.aspx?path_={0} 如何格式化这个字段？