Server.HtmlEncode DataBinder

Can anyone help with Server.HtmlEncode encoding this?
'<%# DataBinder.Eval(Container.DataItem, "CAT_ID",
"pageview.aspx?tab=1&catid={0}") %>
I've tried using similar to this:
<%# Server.HtmlEncode(DataBinder.Eval(Container,
"DataItem.Field1").ToString()) %>
but get error message BC30455: Argument not specified for parameter '
Many thanks'<%#"/admin/managenews.aspx?action=2&id="+DataBinder.Eval(Container.DataItem
,"NID")%>'
this may help u
"Fossie" <gillmcd@.ihug.co.nz> wrote in message
news:1148111001.439320.296410@.38g2000cwa.googlegroups.com...
> Can anyone help with Server.HtmlEncode encoding this?
> '<%# DataBinder.Eval(Container.DataItem, "CAT_ID",
> "pageview.aspx?tab=1&catid={0}") %>
> I've tried using similar to this:
> <%# Server.HtmlEncode(DataBinder.Eval(Container,
> "DataItem.Field1").ToString()) %>
> but get error message BC30455: Argument not specified for parameter '
> Many thanks
>