How I can pass session parameters to SqlDataSource

[msomar]

hi.. How I can Pass session parameters to sqlDataSource. I do like this but it is not work:

<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:AdNetConnectionString %>"

        SelectCommand="SELECT CampaignName, AdType AS \[Campaign Type\], Status, Date AS \[Start Date\], Clicks, Impr, DailyBudget AS \[Daily budget\] FROM Account INNER JOIN AdCampaign ON Account.ID = AdCampaign.AccountID WHERE Account.EmailAddress = @EmailAddress  ">
        <SelectParameters>
        <asp:SessionParameter Name="EmailAddress" Type="String"  SessionField="EmailAddress" />
        </SelectParameters>
        </asp:SqlDataSource>

The session name is :session["EmailAddress"] Please guide me.

[Michel Godfroid]

Add the risk of sounding repetitious and single-minded: And what is the error message? There are no psychics here.