Asp.net-mvc – ASP.NET MVC Culture change Datetime Format

asp.net-mvcdatetime-formatglobalization

I have a ASP.NET MVC 4 with EF project. I'm changing the current thread culture when a user logs in.
Global.asax.cs

protected void Application_BeginRequest(object sender, EventArgs e)
    {           
        CultureInfo objculture = new CultureInfo(Helios.MvcApplication.Lang); //Lang = en-US, ro-RO, fr-FR

        //DateTimeFormatInfo objDTFI = objculture.DateTimeFormat;
        //objDTFI.ShortDatePattern = "dd.MM.YY";
        //objDTFI.DateSeparator = ".";
        //objculture.DateTimeFormat = objDTFI;

        objculture.NumberFormat.CurrencyDecimalSeparator = ".";
        objculture.NumberFormat.NumberDecimalSeparator = ".";

        Thread.CurrentThread.CurrentUICulture = objculture;
        Thread.CurrentThread.CurrentCulture = objculture;   
    }

DateTime.cshtml //EditorTemplate for my datetime 

@model System.DateTime?
@Html.TextBox("", String.Format("{0:d}", Model.HasValue ? Model : DateTime.Today), new { @class = "datefield" })

<link rel="stylesheet" href="http://code.jquery.com/ui/1.8.20/themes/base/jquery-ui.css" type="text/css" media="all" />
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type="text/javascript"></script>
<script src="http://code.jquery.com/ui/1.8.20/jquery-ui.min.js" type="text/javascript"></script>

<script  type="text/javascript">
$(function () {
    $(".datefield").datepicker({
        changeMonth: true, changeYear: true, firstDay: 1, changeYear: true,
        dateFormat: 'dd.mm.yy'
    });
});

If I use : String.Format("{0:yyyy-MM-dd}" or String.Format("{0:MM-dd-yyyy}" it works, but if I use String.Format("{0:dd.MM.yyyy}" it doesn't work.

Q: How can I change the datetime format to "dd.MM.yyyy" for every culture/language ?

Best Answer

Old question, but for others needing to change the string format irrespective of the current culture:

DateTime.Today.ToString("dd.MM.yyyy", CultureInfo.InvariantCulture)
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