Accessing AllProperties collection from javascript

Question

I'm trying to figure out how to access a web sites custom properties. I know how to do this with the client object model from silverlight but it seems to be a little different from javascript. I assume I have to access the property on the onQuerySucceeded event handler but not sure how to format it.

<script>
ExecuteOrDelayUntilScriptLoaded(retrieveSpecificWebProperties, "sp.js"); 
   
function retrieveSpecificWebProperties() {
    var clientContext = SP.ClientContext.get_current();
    web= clientContext.get_web();
    clientContext.load(web);
    cwebContext.executeQueryAsync(onQuerySucceeded, onQueryFailed);
}
function onQuerySucceeded(sender, args) { alert(web.allproperties['myproperty']);}
function onQueryFailed(sender, args) { alert('failed');}</script>

Answer 1

   clientContext.load(web);  will load all the properties . if you want to use properties then use after this statement. 
   Check this article  
   http://ranaictiu-technicalblog.blogspot.in/2010/02/sharepoint-2010-managed-net-client-with.html
  

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Regards,

Milan Chauhan

LinkedIn | Twitter | Blog | Email

Answer 2

Unfortunately, your solution is not the case. My question was not a c# client solution but a javascript JSOM. The notation is a little different as well as the approach. I am able to connect to my web object and access built in properties but the "CUSTOM" properties are what I am having an issue with. If I apply some examples I found on the web I would take the approach as shown.

values = Context.get_web().get_allProperties();
Context.load(values);
Context.executeQueryAsync(Function.createDelegate(this, this.OnPropSucceeded), Function.createDelegate(this, this.onFailed));

function onPropSucceeded(sender, args){ alert(values.get_item("MSPWAPROJUID"));}

However, it just doesn't work for various reasons. Any idea why or how to accomplish this?

Thanks.