SELECTONE,DISPLAY ON GRID MANY

Question

I HAVE TO DISPLAY FIVE COLUMNS ON GRID WHICH ARE GETTING THROUGH INNER JOINING OF THREE TABLES.I HAVE ONE TEXTBOX AND BUTTON IN FORM WHICH I MADE.WHEN I SELECT ONE OF THE SERIES IN TEXTBOX,AFTER I CLICK THE BUTTON,I SHOULD GET DATAS OF THAT PARTICULAR SERIES ONLY.HOW TO WRITE CODE?WHERE I HAVE TO MENTION?