Change Editor Of View At Runtime

Hello,

UPDATED:
Starting with v16.2.4, you can implement an Action that would customize required options in the Application Model and recreate the View controls accordingly, as described at Task-Based Help > How to: Apply Application Model Changes to the Current View Immediately .
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>>

C#
private void Toggle_Editor()  
{  
    if (View.Model.EditorType == typeof(ASPxGridListEditor))  
    {  
        View.Model.EditorType = typeof(ASPxTreeListEditor);  
    }  
    else  
        View.Model.EditorType = typeof(ASPxGridListEditor);  
    View.LoadModel();  
    //View.CreateControls();  
}  

<<
Such serious changes require a post back on the Web. So, you need to customize your Action as follows:

XML
<ActionDesign>  
  <Actions>  
    <Action Id="ToggleEditor" IsPostBackRequired="True" />  
  </Actions>  
</ActionDesign>  

It is also better to recreate the whole View, because the View.LoadModel method does not guarantee that all controllers will be activated:

C#
Frame.SetView(Application.CreateListView(View.Model, Application.CreateCollectionSource(Application.CreateObjectSpace(), View.CollectionSource.ObjectTypeInfo.Type, View.Id, View.CollectionSource.IsServerMode, View.CollectionSource.Mode), View.IsRoot));  

Finally, you can use the built-in ViewVariants module that helps accomplish such tasks easier.
Let me know if I can assist you further.