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adamh View Drop Down
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Joined: 07-Jun-2010
Location: New Zealand
Posts: 4 		Post Options Post Options   Quote adamh Quote  Post ReplyReply Direct Link To This Post Topic: Update from cache
    Posted: 19-Jul-2010 at 6:21pm
In Silverlight how do a get a single entity in the cache to refresh from value on webserver
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davidklitzke View Drop Down
IdeaBlade
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Joined: 14-Jun-2007
Posts: 715 		Post Options Post Options   Quote davidklitzke Quote  Post ReplyReply Direct Link To This Post Posted: 20-Jul-2010 at 3:00pm
Updating the cache is a pure client-side operation.  It is essentially the same whether you are running a Silverlight, WPF, or WinClient application.  Get the value from webserver and stuff it in the cache.  You should be able to find some examples in the Learning Resources on Disconnected Use,
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adamh View Drop Down
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Posts: 4 		Post Options Post Options   Quote adamh Quote  Post ReplyReply Direct Link To This Post Posted: 20-Jul-2010 at 4:30pm

If I have an instance of an entity Person called ‘person’ on the Silverlight side .. how do I ask it to refresh itself now.

Just that instance.

 

Can't figure it out from the documentation. 

 
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ting View Drop Down
IdeaBlade
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Joined: 27-Mar-2009
Location: San Francisco
Posts: 427 		Post Options Post Options   Quote ting Quote  Post ReplyReply Direct Link To This Post Posted: 20-Jul-2010 at 5:19pm
This is not as obvious as it should be.  We will be reviewing the signatures for RefetchEntitiesAsync.  In the meantime, the code should look like this:
 
      var list = new EntityKeyList(typeof(Person), new EntityKey[] { somePerson.EntityAspect.EntityKey });
      entityManager.RefetchEntitiesAsync(list, MergeStrategy.OverwriteChanges, RefetchCompleted, null);
 
...
 
    void RefetchCompleted(EntityQueryOperation e) {
      // Do stuff
    }
 
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adamh View Drop Down
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Posts: 4 		Post Options Post Options   Quote adamh Quote  Post ReplyReply Direct Link To This Post Posted: 20-Jul-2010 at 5:28pm

lol .. I thought it wasn't straightforward ...
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