when i click DISPLAY BUTTON. its not opening IN SCANNER.But its opening sap

Dear All,

I developed a module pool program.

When i click display button it give input sales doc no it will display material no and qty.

This program i am displaying from scanner .its working .when i click DISPLAY BUTTON.

its not opening IN SCANNER.But its opening sap module pool program.

Pls suggest.

moosa

I am scanning the data from scanner and displaying.