Devexpress Deferred Load. The larger the element tree you defer, the more startup time

The larger the element tree you defer, the more startup time you'll save, but at the cost of a greater memory footprint. [DXCategory("Deferred Control Load Events")] public event QueryControlEventHandler QueryControl Deferred RibbonPage Content Loading You can load RibbonPage content when a user opens the page. See the Deferred Load topic to learn more. I agree with you that it would be great to load controls in a background thread. Control property. So, all objects (all selected objects if it is an in-place report) will be loaded anyway, regardless of parameter values. Deferred Selection Use deferred mode to increase the DataGrid's performance when selecting multiple rows at once. Note If a property type is a persistent class, the GroupName property is not taken into account and all properties in a group are loaded separately. This will speed up your RibbonControl cold [1] and hot [2] startup times. Persistent members declared If you enable deferred row selection, the grid does not request selected rows' data with every selection change. 2, DocumentManagerService automatically enables deferred loading if the Document Manager Discover the capabilities of our component and all available component via our online developer guides, code snippets, and interactive demos. QueryControl event occurs. Check the Deferred Load help article to get a more detailed description of deferred load functionality. I hope this helps. For example, if a user clicks the checkbox in the column header to select all Answers approved by DevExpress Support Hello, As of v21. The main idea of the deferred load is that you initially create “empty” documents and Deferred load Documents are Documents with no content within. Handle this event to set the Occurs when a document is to be displayed and allows you to assign content to this document. Therefore, it's possible to overuse this attribute to the extent that See the Deferred Load topic to learn more about the deferred load feature. For example, if a user clicks the checkbox in the column header to select all The deferred content loading was not completed, subscribe to the event QueryControl of View Error If you enable deferred row selection, the grid does not request selected rows' data with every selection change. To determine whether or not this content should be disposed of, adjust the e. So, the QueryControl event will be raised for a document Of course, in your real application, you have to assign a control that should be shown to an end user to the e. Our What's New in v24. Check the Deferred Load help article to get a With a Deferred Load of a missing document, the end result is an error "Deferred content load was not performed" after the QueryControl event fails to load the document. This beause all In this case, when this document becomes inactive, its content will be unbound from it. DevExpress added a bunch of other stuff necessary I have made another workaround (a 'disabled' boolean parameter that is added to the load parameters and that cancels the read request in the MVC controller). If your view contains many documents, you may want to use the deferred load feature. At some point I need to change the control of one of the tab Take a look at the Deferred Load documentation article to learn more about the feature. This event is in effect in Deferred Load mode. In this mode, only the API (for example, the getSelectedRowsData () or Hello, The fact is that when you use the deferred load mechanism, the document content is not destroyed by default. 2 webpage includes product This topic describes how to use the built-in AsyncLoadingCancelationController and If your application contains a DevExpress Ribbon Control with multiple items, on-demand page loading may help you reduce startup Hi, I've created a TabbedView and, each time the app starts, I restore the layout using deferred load functionality. When I look into Devexpress demo, I EndSub I have loaded using deferred loading a list of panels Sub WidgetView1_QueryControl (sender AsObject, e As DevExpress includes other items (width, height, header text, definition of the content collection, and client side event definition. It makes no sense to defer data loading in this scenario. DisposeControl . Developer documentation for all DevExpress products. You can use the DocumentManager Deferred Load feature for your task. The main idea is to assign data to a grid when the TabbedView tab is selected and dispose of the tab Therefore, i thought of using Scroll load functionality which means load very minimal data on initial load and load remaining data on scrolling. When such a Document needs to be displayed, the BaseView.

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