title: How to add and display multiple records
body: <p>I'm working on a Shopping cart.</p>
  
  <p>Right now I'm Scanning an item in Qr-code it is fetching one record and displaying in the first row. </p>
  
  <p>Now when I scan another Qr-code I need to display in the second row, But it is replacing the first row.</p>
  
  <p>please help me to come out this query.</p>