The as operator must be used with a reference type or nullable type ('int' is a non-nullable value type)

    public static class UserProfile
    {
        public class Personal
        {
            public static System.String UserName
            {
                get { return HttpContext.Current.Profile.GetPropertyValue("UserName") as System.String; }
                set { HttpContext.Current.Profile.SetPropertyValue("UserName", value); }
            }
 
            public static System.String Password
            {
                get { return HttpContext.Current.Profile.GetPropertyValue("Password") as System.String; }
                set { HttpContext.Current.Profile.SetPropertyValue("Password", value); }
            }
 
            public static System.String Email
            {
                get { return HttpContext.Current.Profile.GetPropertyValue("Email") as System.String; }
                set { HttpContext.Current.Profile.SetPropertyValue("Email", value); }
            }
 
            public static System.String FirstName
            {
                get { return HttpContext.Current.Profile.GetPropertyValue("FirstName") as System.String; }
                set { HttpContext.Current.Profile.SetPropertyValue("FirstName", value); }
            }
 
            public static System.String LastName
            {
                get { return HttpContext.Current.Profile.GetPropertyValue("LastName") as System.String; }
                set { HttpContext.Current.Profile.SetPropertyValue("LastName", value); }
            }
 
            public static System.DateTime DOB
            {
                get { return (System.DateTime)HttpContext.Current.Profile.GetPropertyValue("DOB"); }
                set { HttpContext.Current.Profile.SetPropertyValue("DOB", value); }
            }
 
            public static System.Int32? Age
            {
                get { return HttpContext.Current.Profile.GetPropertyValue("Age") as System.Int32?; }
                set { HttpContext.Current.Profile.SetPropertyValue("Age", value); }
            }
 
            public static System.String Gender
            {
                get { return HttpContext.Current.Profile.GetPropertyValue("Gender") as System.String; }
                set { HttpContext.Current.Profile.SetPropertyValue("Gender", value); }
            }
 
            public static System.String Seeking
            {
                get { return HttpContext.Current.Profile.GetPropertyValue("Seeking") as System.String; }
                set { HttpContext.Current.Profile.SetPropertyValue("Seeking", value); }
            }
 
            public static System.String ConfirmationGUID
            {
                get { return HttpContext.Current.Profile.GetPropertyValue("ConfirmationGUID") as System.String; }
                set { HttpContext.Current.Profile.SetPropertyValue("ConfirmationGUID", value); }
            }
 
            public static System.String UserIP
            {
                get { return HttpContext.Current.Profile.GetPropertyValue("UserIP") as System.String; }
                set { HttpContext.Current.Profile.SetPropertyValue("UserIP", value); }
            }
 
            public static System.String SessionID
            {
                get { return HttpContext.Current.Profile.GetPropertyValue("SessionID") as System.String; }
                set { HttpContext.Current.Profile.SetPropertyValue("SessionID", value); }
            }
 
        }
        public class Address
        {
            public static System.String Country
            {
                get { return HttpContext.Current.Profile.GetPropertyValue("Country") as System.String; }
                set { HttpContext.Current.Profile.SetPropertyValue("Country", value); }
            }
 
            public static System.String Region
            {
                get { return HttpContext.Current.Profile.GetPropertyValue("Region") as System.String; }
                set { HttpContext.Current.Profile.SetPropertyValue("Region", value); }
            }
 
            public static System.String City
            {
                get { return HttpContext.Current.Profile.GetPropertyValue("City") as System.String; }
                set { HttpContext.Current.Profile.SetPropertyValue("City", value); }
            }
 
            public static System.String ZipCode
            {
                get { return HttpContext.Current.Profile.GetPropertyValue("ZipCode") as System.String; }
                set { HttpContext.Current.Profile.SetPropertyValue("ZipCode", value); }
            }
 
        }
        public class Preferences
        {
            public static String Theme
            {
                get { return HttpContext.Current.Profile.GetPropertyValue("Theme") as String; }
                set { HttpContext.Current.Profile.SetPropertyValue("Theme", value); }
            }
 
            public static String Culture
            {
                get { return HttpContext.Current.Profile.GetPropertyValue("Culture") as String; }
                set { HttpContext.Current.Profile.SetPropertyValue("Culture", value); }
            }
 
        }
        public static void Save()
        {
            HttpContext.Current.Profile.Save();
        }
    }

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