WebWindow.PagePreRender Event
Occurs after the WebWindow‘s Web Forms page is loaded, but prior to rendering.
Namespace: DevExpress.ExpressApp.Web
Assembly: DevExpress.ExpressApp.Web.v18.2.dll
Declaration
Event Data
The PagePreRender event's data class is EventArgs.
Remarks
Handle this event to perform any updates before the Window’s page is rendered. The page can be accessed via the Window.Template property.
using System.Web.UI;
using DevExpress.ExpressApp.Web;
//...
public class MyController : WindowController {
protected override void OnActivated() {
base.OnActivated();
((WebWindow)Window).PagePreRender += PagePreRender;
}
protected override void OnDeactivated() {
((WebWindow)Window).PagePreRender -= PagePreRender;
base.OnDeactivated();
}
private void PagePreRender(object sender, EventArgs e) {
// Access the page via the Template property:
ControlCollection pageControls = (((WebWindow)sender).Template as Page).Controls;
// ...
}
}
Related GitHub Examples
The following code snippets (auto-collected from DevExpress Examples) contain references to the PagePreRender event.
Note
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