Description 1. Create a web form application engineering, and add a form file,
2. Edit interface file, increase the static text box, box and check box, can input the name, age, hobbies, and set a submit button,
3. The submit button, write the event handler, of whether the name is empty, older than 18 years old to limit, and output the summary information, display in a static text box control, small white, ask for help! Please everyone a great god for help (part of the reference code and operation result is shown in figure)