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    • ViewModelBase performance, solution

      I'm experiencing some terrible performance with ViewModelBase (WPF) class. If changing Model properties or adding items to list, profiler is returning results that are hundreds of times slower then expected. I figured out that such performance is because of events attached in HookChangedEvents method...
      Posted to CSLA .NET discussion (Forum) by mesh on Mon, Jun 17 2013
    • 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
    • Re: IsBusy set to false after OnRefreshed in view model

      Yes, Rocky. I am starting another asynchronous operation in OnRefreshed overload method to fetch look up data and other general setting. So I am setting IsBusy property true in OnRefreshed method. But it set false when OnRefreshed call completed. Is there any way to set Isbusy property? Thanks.
      Posted to CSLA .NET discussion (Forum) by Marsh on Sat, May 19 2012
    • IsBusy set to false after OnRefreshed in view model

      Hi, I am using silverlight CSLA ViewModel. I am facing issue when set IsBusy property after OnRefreshed. I have set IsBusy property to true in override OnRefreshed method. It does not set. Then i have keep log _PropertyChanged event and i found that after completion of override OnRefreshed method, IsBusy...
      Posted to CSLA .NET discussion (Forum) by Marsh on Fri, May 18 2012
    • ProjectEdit / CollectionViewSource question

      In the ProjectEdit user control in the new ProjectTracker example, the CollectionViewSource named "projectGetterViewSource" has no source defined for it. On page 102 of the e-book, it states that "the first resource will contain the root viewmodel for the view." Here is the xaml line...
      Posted to CSLA .NET discussion (Forum) by Tim on Fri, Nov 4 2011
    • Re: TriggerAction w/ TargetControl of a ViewModel

      There are two reasons for being a DependencyObject (rather than a simple class implementing INotifyPropertyChanged): You can write code in the viewmodel to detect if you are in design mode You can bind to the Model property to create cascading (parent-child) viewmodels The second one is the primary driver...
      Posted to CSLA .NET discussion (Forum) by RockfordLhotka on Thu, Oct 6 2011
    • 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
    • The Remote Server returned an error: NotFound ; Silverlight ; ViewModel ; CSLA.net 4.1

      when we do a BeginRefresh("StaticFindMethod") it always work mulit times but not the BeginRefresh("StaticUpdateMethod") public static void StaticUpdateMethod(ClosingRegisterER model, EventHandler<DataPortalResult<ClosingRegisterER>> callback) { var dp = new DataPortal<ClosingRegisterER>...
      Posted to CSLA .NET discussion (Forum) by JJ on Wed, Aug 31 2011
    • Use ViewModel<T> Save Method, the Model Rebind.

      If invoke the method save of ViewMode<T>, the UI will rebind to the BO. if the T is BLB , i don't want the user to find the new or just edited row after click the save button. but i override the method Save as below: public override void Save(object sender, ExecuteEventArgs e) { Model.ApplyEdit...
      Posted to CSLA .NET discussion (Forum) by simon on Tue, Aug 30 2011
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