doubt in windowsservice

hi,

i am vasanth from india.

i am new in dotnet.now i am practicing windowsservices.

I am developing for checking database.if database has any changes i.e add any row on runtime thatcorresponding row will be stored in any value.

Is possible to return value from windowsservices?

how to return value from window services?

I use that value in one windows applications.

Awaiting for urs reply