I want to use the HTML control in my aspx page, when I finished to edit the content in back-end, please see the screenshot-1:

 

 

(Screenshot 1)

 

And then i read the content in front-end page,please see the follow screenshot, my question is that when i click the submit button, how i can get the posted html content(selectd by user)?  the back-end user want to see the survey content.

 

 

Thanks.