JustinMason

public class HomePageViewModel
{
    [Display(Order=0, Name="Full Name")]
    [Required(ErrorMessage="Full Name is Required")]
    public string Name { get; set; }

    [Display(Order=1, Name="Birthday") ]
    [DateComparer(MaxDateAddDaysFromNow=0, MinDateSelector="PropertyDate")] 
    //Must be less than Now and Greater than the sibling property PropertyDate
    public DateTime BirthDate { get; set; }

JustinMason

(function ($) {
    
    // The adapter to support ASP.NET MVC unobtrusive validation
    $.validator.unobtrusive.adapters.add('rangedate', ['minselector', 'maxselector', 'mindate', 'maxdate', 'nullable'],
        function(options) {

            var params = {
                minSelector: options.params.minselector,
                maxSelector: options.params.maxselector,
                minDate: options.params.mindate,

JustinMason

[AttributeUsage(AttributeTargets.Property, AllowMultiple = false)]
public class DateComparerAttribute : ValidationAttribute, IClientValidatable
{
    /// <summary>
    /// If set will use DateTime.AddDays to specify the Min Valid Date
    /// </summary>
    public double MinDateAddDaysFromNow
    {
        get { return _minDateAddDaysFromNow; }
        set

JustinMason

    [ServiceContract]
    public interface ICustomerService
    {
        [OperationContract]
        Customer GetCustomer(int id);

        [OperationContract]
        void SaveCustomer(ref Customer customer);
    }