Show session value in radio button list and in dropdown list

how I display session value in drop down list and in radio button list.

like

there is radio button list for gender and dropdown list for countries.

Session["Sgender"]="Male";

Session["Slocation"]="Pakistan";

I want to select "Male" option in radio button list and "Pakistan" in country list given in dropdown list using these session values.

Please guide me how I do this?

Thanks in advance