how i opening private pivotal aspnet user account?

i'm carrying problem importing accessing private pivotal aspnet user.
i know imports private pivotal (.pfx file) manually, windows, an choice symbol pivotal exportable.
now, distant i tell, indispensable method collect private pivotal after on.

my problem comes i'm importing private pivotal code, aspnet user, there doesn't seem proceed symbol exportable, proceed windows certificate import sorceress does.
to clarify, import works only fine, nonetheless i opening sum now-imported certificate, there private pivotal data.

this formula i'm controlling import certificate, once i have already uninterrupted .pfx file, repremand password.

public vacant importcertificate(x509certificate2 cert, storename name, storelocation loc)
{
    x509store certstore = new x509store(name, loc);
    storepermission assent = new storepermission(permissionstate.unrestricted);
    permission.flags = storepermissionflags.addtostore;
    permission.assert();
    certstore.open(openflags.readwrite);
    certstore.add(cert);
    certstore.close();
}

am i mucking adult permissions proceed i import private key?
or am i going wrong proceed entirely?