Hvid der ikke er en verdi skal den give versien 0. En der kan hjælpe med det???

<%

username = request.form(\"username\")
p_sex = request.form(\"p_sex\")
d_hojde = request.form(\"d_hojde\")
d_soger = request.form(\"d_soger\")
d_bygning = request.form(\"d_bygning\")
d_ojn = request.form(\"d_ojn\")
d_partner = request.form(\"d_partner\")
d_Job = request.form(\"d_Job\")
d_Hobby = request.form(\"d_Hobby\")
p_bday = Request.Form(\"birth_day\") & \"/\" & Request.Form(\"birth_month\") & \"/\" & Request.Form(\"birth_year\")
d_vagt = request.form(\"d_vagt\")
p_bor = request.form(\"p_bor\")
d_har = request.form(\"d_har\")
d_born = request.form(\"d_born\")
d_ryger = request.form(\"d_ryger\")
d_uddan = request.form(\"d_uddan\")
p_txt = request.form(\"p_txt\")
d_sexorient = request.form(\"d_sexorient\")
d_fsoger = request.form(\"d_fsoger\")
email = request.form(\"email\")
d_musik = request.form(\"d_musik\")
p_name = request.form(\"p_name\")
password = request.form(\"password\")
Id = Session(\"uid\")
%>