Create A Session Base On A Hyperlink?

i would like to know if i could create a session base on an hyperlink i do not want to pass param to the page i wanted to create a session base on a hyper link comming from a gridview.

this page would normaly populated when the user logon however i wanted the some oneelse to access this page like the orginal user would except that he would not log on but the page would see the session as if it was the user. click event i am using aspx:hyperl

< temTemplate
>
<asp:HyperLink
ID="HyperLink1"
runat="server"
Visible='<%# Not(Eval("Return")) %>'
Enabled
=
'<%# Not(Eval("Return")) %>'
NavigateUrl='<%# Eval("PN", "~/test/htest.aspx?P={0}" ) %>'
>SR</asp:HyperLink> </ItemTemplate>

i want to create a session allone with it