how to show report?

i made a report from crystal report, then how to show that report when i click a button..? any step by step procedure?

Please
Say environment details
Crystal Reports version
Prog language & version

sorry, i'm using VB with MySQL as backend and Crystal Report 8.5

VB what?

VB6?
VB.NET? (2005 or 2008)?

vb6... sorry i forgot..