Nevigate url not working for hyperlink

in my login page , i am trying to identify which type of user is login. so i use a radiobutton list . in master page there is a hyperlink which redirect the user according to there authentication. like if he is user then it will redirct to user home page other wise admin home page. here is code for master page 
<asp:LoginView ID="HeadLoginView" runat="server" EnableViewState="false"> <AnonymousTemplate> [ <a href="~/PageCommon/login.aspx" id="HeadLoginStatus" runat="server" color= "#87cfe6">Log In</a> ] </AnonymousTemplate> <LoggedInTemplate> Welcome <span class="bold"> <asp:HyperLink ID="HyperLink1" ForeCol ...