How to write simple vb.net mark sheet program for beginner

it is simple program for beginners
1. take five text boxes or as much text boxes as much subject is there.
2. take accordingly label and change label text property as name of subject
3. take a command button

and then write following code

To understand Vb.Net in better way I will suggest you to have  book written by Anne Prince  "Murach Visual Basic" and that is available on  Amozon and Flipkart