WYSIWYG editing Image gallery upload Content templates
Initial Content

Set the editor's initial HTML content using the html attribute on the tag helper.

<richtextbox
    name="initialContentEditor"
    toolbar="default"
    height="300px"
    html="<h2>Pre-loaded Content</h2>
          <p>This content was set via the html attribute.</p>
          <ul><li>Supports any valid HTML</li></ul>" />