How to take print out Programmatically In asp.net crystal report using c sharp language?

   Dim margins As PageMargins =  Report.PrintOptions.PageMargins

   margins.bottomMargin = 200

   margins.leftMargin = 200

   margins.rightMargin = 50

   margins.topMargin = 100

   Report.PrintOptions.ApplyPageMargins(margins)

   ' Select the printer name

   Report.PrintOptions.PrinterName = printerName