Set Default DateTime Format c#

user_60525 0
Viewed 59789

Is there a way of setting or overriding the default DateTime format for an entire application. I am writing an app in C# .Net MVC 1.0 and use alot of generics and reflection. Would be much simpler if I could override the default DateTime.ToString() format to be "dd-MMM-yyyy". I do not want this format to change when the site is run on a different machine.

Edit - Just to clarify I mean specifically calling the ToString, not some other extension function, this is because of the reflection / generated code. Would be easier to just change the ToString output.

format datetime asp.net-mvc c#
7 Answers

Using .Net 6 put something like this in your program.cs after app.UseAuthentication()/app.UseAuthorization() and before app.MapControllerRoute(...):

var ci = new CultureInfo("en-US");
ci.DateTimeFormat.ShortDatePattern = "MM/dd/yyyy";
app.UseRequestLocalization(new RequestLocalizationOptions
{
    DefaultRequestCulture = new Microsoft.AspNetCore.Localization.RequestCulture(ci),
    SupportedCultures = new List<CultureInfo> { ci },
    SupportedUICultures = new List<CultureInfo> { ci }
});

Here I'm changing the short date format, but you can also change currency symbol, decimal separator, etc.

user_4162550
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