Maarten88/BundleConfig.cs

## _Layout.cshtml
<head>
  ...
  @Html.MetaAcceptLanguage()
  ...
</head>

## BundleConfig.cs
    bundles.Add(new ScriptBundle("~/Scripts/site/js").Include(
      "~/Scripts/jquery.validate.js",
      "~/Scripts/jquery.validate.unobtrusive.js",
      "~/Scripts/jquery.globalize/globalize.js",
      "~/Scripts/jquery.globalize/cultures/globalize.culture." + System.Globalization.CultureInfo.CurrentCulture.ToString() + ".js",
      "~/Scripts/site.js"));

## LocalizationHelper.cs
using System;
using System.Threading;
using System.Web;
using System.Web.Mvc;

namespace Auction.Web.Utility
{
    public static class LocalizationHelper
    {
        public static IHtmlString MetaAcceptLanguage(this HtmlHelper html)
        {
            var acceptLang = HttpUtility.HtmlAttributeEncode(Thread.CurrentThread.CurrentUICulture.ToString());
            return new HtmlString(string.Format("<meta name=\"accept-language\" content=\"{0}\"/>", acceptLang));
        }
    }
}

## site.js
$(function () {
    /* initialize globalization, for parsing dates and decimals */
    // Globalize.culture('%%culture%%');
    var data = $("meta[name='accept-language']").attr("content");
    Globalize.culture(data);

    $.validator.methods.number = function (value, element) {
        return this.optional(element) || !isNaN(Globalize.parseFloat(value));
    }

    $.validator.methods.date = function (value, element) {
        return this.optional(element) || !isNaN(Globalize.parseDate(value));
    }
});
	bundles.Add(new ScriptBundle("~/Scripts/site/js").Include(
	"~/Scripts/jquery.validate.js",
	"~/Scripts/jquery.validate.unobtrusive.js",
	"~/Scripts/jquery.globalize/globalize.js",
	"~/Scripts/jquery.globalize/cultures/globalize.culture." + System.Globalization.CultureInfo.CurrentCulture.ToString() + ".js",
	"~/Scripts/site.js"));
	using System;
	using System.Threading;
	using System.Web;
	using System.Web.Mvc;

	namespace Auction.Web.Utility
	{
	public static class LocalizationHelper
	{
	public static IHtmlString MetaAcceptLanguage(this HtmlHelper html)
	{
	var acceptLang = HttpUtility.HtmlAttributeEncode(Thread.CurrentThread.CurrentUICulture.ToString());
	return new HtmlString(string.Format("<meta name=\"accept-language\" content=\"{0}\"/>", acceptLang));
	}
	}
	}
	$(function () {
	/* initialize globalization, for parsing dates and decimals */
	// Globalize.culture('%%culture%%');
	var data = $("meta[name='accept-language']").attr("content");
	Globalize.culture(data);

	$.validator.methods.number = function (value, element) {
	return this.optional(element) \|\| !isNaN(Globalize.parseFloat(value));
	}

	$.validator.methods.date = function (value, element) {
	return this.optional(element) \|\| !isNaN(Globalize.parseDate(value));
	}
	});