How to dynamically create a table with form controls in cells.

I am creating a form to add content to a database.  The form uses a table for formatting (see below), and uses asp form controls for data input.  The data that I am inputting into the DB uses a one to many connection.  Most of the time, a user will only have to include up to three sets of data.  However, occasionally there will be more.  Therefore, I need a way to click a button and dyanmically extend the size of the form.

 I have been playing with the lable, panel, and placeholder controls to figure out a way to do this.  The problem, however, is I cannot figure out a way to dynamically include additional form controls.

For example, in the form below I have a panel with an ID of "moreJudges."  I want to make it so that each time you click the button at the bottom of the table, the page will dynamically add three more rows with the correct formatting.  A ...