vb.net - Getting Error on reportsource in crystal report viewer -

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i getting error "system.nullreferenceexception occurred in crystaldecision.windows.forms.dll , "object reference not ser instance of object"

code:

dim m_application new craxddrt.application dim m_report craxddrt.report  m_report = m_applocation.openreport("reports\rptsalsheet.rpt") frmreportshow.crviewer1.reportsource = m_report frmreportshow.show()

i getting above error on frmreportshow.crviewer1.reportsource = m_report

please guide me rid of error.

thanks





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