How to set the different validation for the same datatype of different properties in PropertyGrid

<syncfusion:PropertyGrid x:Name="pgrid" />

public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            this.Loaded += new RoutedEventHandler(MainWindow_Loaded);
            this.pgrid.SelectedObject = new Customer();
        }
 
        private void MainWindow_Loaded(object sender, RoutedEventArgs e)
        {
            CustomEditor upDownEditor = new CustomEditor() { HasPropertyType = true, PropertyType = typeof(int) };
            upDownEditor.Editor = new UpDownEditor();
            pgrid.CustomEditorCollection.Add(upDownEditor);
            pgrid.RefreshPropertygrid();
        }       
    }
    public class Customer
    {
        private string _name;
        private int _age;
        private int _year;
        private string _SSN;
        private string _address;
        private string _email;
 
        public string Name
        {
            get{return _name;
            set{_name = value;}
        }
 
        public int Year
        {
            get{return _year;}
            set{_year = value;}
        }
        public string SSN
        {
            get{return _SSN;}
            set{_SSN = value;}
        }
 
        public string Address
        {
            get{return _address;}
            set{_address = value;}
        }
 
        public int Age
        {
            get{return _age;}
            set{_age = value;}
        }
 
        public string Email
        {
            get{return _email;}
            set{_email = value;}
        }
    }
    public class UpDownEditor : ITypeEditor
    {
        public void Attach(PropertyViewItem property, PropertyItem info)
        { }
        UpDown upDown;
        public object Create(PropertyInfo propertyInfo)
        {
            upDown = new UpDown(){ };
            if (propertyInfo.Name == "Age")
            {
                upDown.MinValue = 2;
                upDown.MaxValue = 8;
                upDown.NumberDecimalDigits = 0;
            }
            if (propertyInfo.Name == "Year")
            {
                upDown.MinValue = 1920;
                upDown.MaxValue = 2000;
                upDown.NumberDecimalDigits = 0;
            }
            return upDown;
        }
        public void Detach(PropertyViewItem property)
        {
            throw new NotImplementedException();
        }
    }