How to insert values in table on click of submit button on form and retrieve the same on a grid

Hi Team

I am new to MS Dynamics AX, I have creates a SalesOrderTable with three fields ordeno, orderdate, productname, quantity. I have created a form on which these fields I have drag and dropped. now I want to add the values into these fields and store it in data base. and retrieve it on a grid for this I have created another form can some one help me to understand how to do it.

Thanks

Mohammed Abdul Haleem