i am making an application for a purchase order and i am creating the purchase order form. in the form there is a table with 5 columns and 3 rows. the 3 rows is the default number of rows in the purchase order application form. when the user wants to add another row he has to click a button in the form and it will add one row to the table and the previous rowws will be the same with it's data if it was entered. how can i create it in asp.net C#
how can i do this.