send Parameters to crystal reports from vb6

hello
i want to send values to the parameters in crystal reports 9 from vb,can any one help me with the code.
i tried the following code:

VB Code:

Dim Report As ais_billreport
Dim PARAM As CRAXDRT.ParameterFieldDefinition
Dim PARAMS As CRAXDRT.ParameterFieldDefinitions
 
Set Report = New ais_billreport
'        Report.Database.Tables(1).SetLogOnInfo "", "aiswaria.mdb", "", ""
'        Set PARAMS = Report.ParameterFields
'        For Each PARAM In PARAMS
'        With PARAM
'            Select Case .ParameterFieldName
'                Case "frmbillno"
'                    .SetCurrentValue FROMBILLNO
'                Case "tobillno"
'                    .SetCurrentValue TOBILLNO
'                End Select
'        End With
'        Next
'        frm_report.CRViewer91.ReportSource = Report

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i get error in
Set PARAMS = Report.ParameterFields
plse help me
Thanks in advance