C# htmlelement invoke memeber

I am trying to raise the keydown and key up events for a textarea html element, I can just set the inner text to the text I want, but the website doesn't seem开发者_如何学Go to acknowledge the text is in there unless I can raise those events. How can I achieve this?

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Have you tried using the jquery keyboard events. This is assuming you can use jquery

Here is a demo with keypup: