CSLA .NET

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    • CSLA 4.5.10 - Xaml.ViewModelBase under Silverlight

      Hi Rocky Since moving over from 4.3 to 4.5 I'm experiencing a strange issue with the Xaml ViewModelBase when calling BeginSave() and the DataPortal throws an exception. BeginSave works just fine when there is no exception on the server side data portal, however what I'm observing is that if the...
      Posted to CSLA .NET discussion (Forum) by Jaans on Wed, Jan 16 2013
    • Re: MVVM and Child Objects

      I use MVVM when editing a child object from a list. My view model follows the same patterns as Rocky has suggested inheriting the Csla.Xaml.ViewModel class. I pass in both the child object and the root object into the constructor. Within the view model constructor I do a BeginEdit on the root and set...
      Posted to CSLA .NET discussion (Forum) by Killian35 on Wed, Jun 27 2012
    • ClientContext cleared during simultaneous ViewModel refresh

      Hi, I am using CSLA 4.1.0 for a Silverlight app. I recently experienced a problem where my ClientContext was being randomly cleared. After a lot of digging I have traced the source of the problem (I hope). It is because I am refreshing several ViewModel objects simultaneously. I am using the MVVM pattern...
      Posted to CSLA .NET discussion (Forum) by richardp on Wed, Sep 21 2011
    • Re: Silverlight BeginSave()

      The ViewModel<T> class has a Save method. This invokes BeginSave in Silverlight and WP7. Since the samples you mention are using MVVM and ViewModel<T>, they call Save on the viewmodel (using TriggerAction), which calls BeginSave on the business object and automatically handles the async callback...
      Posted to CSLA .NET discussion (Forum) by RockfordLhotka on Fri, Jan 14 2011
    • Child NVL combobox control not generated from DataSources in VS2010

      Hi all, I am experiencing behaviours which I hope you will be able to explain to me. This should be very simple but I can't get it to work properly. What am I missing? I am using VS2010, CLSA 4.0.1, Silverlight 4 and bxf. I created a root user object which contains a child NameValueList property...
      Posted to CSLA .NET discussion (Forum) by Mr X on Thu, Dec 23 2010
    • MVVM Video Series - TriggerAction DataContext CurrentItem

      Going through the MVVM Video series, I see Rocky use the "CurrentItem" property of the CollectionViewSource when binding the DataContext for the trigger action. I've generally used the implicit binding expression below when referencing the current bound to item: <my1:TriggerAction ....
      Posted to CSLA .NET discussion (Forum) by Jaans on Tue, Aug 10 2010
    • Queueing Asynchronous Requests

      Mr Rockford: I have a question about loading different data aynchronously into several different ViewModels/Models on initialization. I have a Silverlight client using just a WCF Service getting data from various sources. My Silverlight client is using the BxF framework and using CSLA Business Objects...
      Posted to CSLA .NET discussion (Forum) by E on Wed, Jun 30 2010
    • ViewModelBase : Add some extensibility points

      Hello, I based our MVVM architecture by derivating on this base class and I'm pretty happy with the results. Down the road I encountered a case for which I would like a different behaviour in QueryCompleted. In fact, I want to get a hold on the model before it it assigned to the Model property. Here's...
      Posted to CSLA .NET discussion (Forum) by edore on Wed, Apr 7 2010
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