asp.net - How to get session value into an ASP Parameter tag? -

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asp.net - How to get session value into an ASP Parameter tag? -

i have next code

<asp:sqldatasource id="sqldatasource1" runat="server" updatecommand="update [gmeter] set ... [userid] = @userid ...

i need parametr @userid assign session variable session["userid"], ideas? tried

[userid] = <%= session["userid"]%>

but not works.

try within asp:sqldatasource

<asp:sessionparameter name="userid" sessionfield="userid" type="int32" />

asp.net

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