In SfRichTextBoxAdv control, you can load the document asynchronously using LoadAsync() method. If you are navigating to a new page while the document is loading asynchronously in current page, then the asynchronous load operation should be cancelled properly before navigating to new page.
The following code example demonstrates how to implement cancellation of loading the document in SfRichTextBoxAdv control.
Global declaration of fields in page.
Loading document in SfRichTextBoxAdv control asynchronously.
Cancelling the asynchronous load operation within page unloading event:
Please find the sample from the following link which demonstrate canceling LoadAsync operation when navigating to another page.
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