You work as a Web Developer at Certkiller.com. You make use of Microsoft ASP.NET 3.5 in orderto create a Web application. You add the following HTML element to an ASP.NET page: <br /> <input type="hidden" name="HiddenField"/> <br /> You want to retrieve the value of the element in the code-behind class. <br /> What should you do?()<img src="https://nimg.ppkao.com/2018-07/wangjing/2018073009332280436.jpg?sign=0cccbd2b4e11d676ac60ce897bddbe84&t=62d333c7" />
A、A
B、B
C、C
D、D
E、E