In the crystal reports menu select design, then printer setup and set to landscape......:) :)
Or Try This thing
cryRpt.PrintOptions.PaperOrientation = CrystalDecisions.Shared.PaperOrientation.Landscape
cryRpt.PrintOptions.PaperOrientation = CrystalDecisions.Shared.PaperOrientation.Portrait
cryRpt.PrintOptions.PaperOrientation = CrystalDecisions.Shared.PaperOrientation.DefaultPaperOrientation