Hi Kruncher... We use .NET with prototype (and Ext, jquery, etc)... it works
fine with any client libraries you want to use - just don't use their
ASP.NET <http://asp.net/> Ajax crap :)


We just override the Date serialization on the server. As you know, there
are already a vast number of built in Date.ToString() method overloads
possible in the .NET server side (which accepts a formatting string of

We chose UTC (instead of ISO 8601 as TJ suggests)... and we just employ a
UTC string to Date converter on the client side (in our transport layer so
it's abstracted from the developer).

I'll talk to my guys and see if we can publish some of that code...

On Thu, Sep 11, 2008 at 2:01 AM, T.J. Crowder <[EMAIL PROTECTED]>wrote:

> Hi,
> > The ASP.NET date/time object generates the following JSON:
> >      dateModified":"\/Date(1220453756681+0100)\/"
> Unfortunately there is no JavaScript literal syntax for dates, and
> Crockford didn't add one for JSON because he was sticking to a
> language-neutral subset, so we have to rely on knowing the field is
> meant to be a date and interpreting strings.  Apparently ASP.Net has
> it's own...special..way of doing that, but I suspect you'll find that
> it's not compatible at the other end with anything but ASP.Net's own
> client-side JavaScript.  (Although it doesn't look particularly hard
> to figure out.)
> You'll have to solve this in your ASP.Net code, I'm afraid, or pre-
> process the JSON, or modify Prototype's JSON handling to recognise
> these dates. (And figure out what the format is -- why, oh why, can't
> people learn to use ISO 8601?!  It's a great fit for JSON, which is
> meant to be *human-readable*.)
> HTH,
> --
> T.J. Crowder
> tj / crowder software / com
> On Sep 11, 3:04 am, Kruncher <[EMAIL PROTECTED]> wrote:
> > Hi guys,
> >
> > I am using the ASP.NET class DataContractJsonSerializer to transfer
> > information via the Prototype Ajax.Request and the server. Generally
> > this is working fantastically, however there is one problem, and I am
> > unsure whether it is something that I am doing wrong, or whether it is
> > something which is not yet available within the Prototype framework.
> >
> > The ASP.NET date/time object generates the following JSON:
> >      dateModified":"\/Date(1220453756681+0100)\/"
> >
> > Which Prototype appears to interpret as:
> >      dateModified: "/Date(1220453756681+0100)/"
> >
> > Looking through the Prototype API documentation I found that it
> > converts JavaScript date/time objects into the form "yyyy-mm-
> > ddThh:mm:ssZ" but it does not seem to be able to automatically reverse
> > this back into a JavaScript date time object.
> >
> > Any suggestions would be fantastic!
> > Lea Hayes
> >

Ryan Gahl
Manager, Senior Software Engineer
Nth Penguin, LLC
WebWidgetry.com / MashupStudio.com
Future Home of the World's First Complete Web Platform
Inquire: 1-920-574-2218
Blog: http://www.someElement.com
LinkedIn Profile: http://www.linkedin.com/in/ryangahl

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