html and asp.net

[tarik666]

Hey guys I am trying to use a html anchor tag with asp.net
here is the code

Protected Sub linkadd_ServerClick(ByVal sender As Object, ByVal e As System.EventArgs) Handles linkadd.ServerClick
        Session("adduser") = "true"
        MsgBox(Session("adduser"))
End Sub

Here is my html

<li><a href="ChangeUser.aspx" id="linkadd" runat=server>Add User</a></li>

When I run the page it is running the error

do post back is not defined
javascript dopastback("linkadd")