CommandArgument split usage

<asp:LinkButton ID="LinkButton2" CommandArgument='<%#Eval("urun_id")+"^"+Eval("katid")%>' runat="server" CommandName="detay">LinkButton</asp:LinkButton>

if (e.CommandName == "detay")
{
string[] idler=e.CommandArgument.ToString().Split('^');
Response.Redirect("urundetay.aspx?ID=" + idler[0]+ "&catID=" + idler[1]);
}