Hi, > Why is it that Prototype's JSON does not attempt to deserialize a date/ > time string that it actually serialized?
Because it has no way of knowing that that particular string is meant to be a date. We probably don't want the JSON deserializer to look at every string value and make it a date if it happens to look like one... :-) -- T.J. On Sep 11, 6:29 pm, Kruncher <[EMAIL PROTECTED]> wrote: > Hi, > > Yes I totally agree with your comment regarding <http://asp.net/> > Ajax! > > Thanks, that would be fantastic! :D > > Why is it that Prototype's JSON does not attempt to deserialize a date/ > time string that it actually serialized? > > var jsonDate = new String(new Date().toJSON()); > //===> jsonDate == "2008-09-11T17:14:20Z" > var reverseDate = jsonDate.evalJSON(); > //===> reverseDate == "2008-09-11T17:14:20Z" ??? Why is this not a > Date object > > Many thanks Ryan and T.J.Crowder! > Lea Hayes > > On Sep 11, 2:19 pm, "Ryan Gahl" <[EMAIL PROTECTED]> wrote: > > > 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 :) > > > Anyway... > > > 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 > > course). > > > 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, LLChttp://www.nthpenguin.com > > -- > > 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 > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Prototype & script.aculo.us" group. To post to this group, send email to prototype-scriptaculous@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en -~----------~----~----~----~------~----~------~--~---
