Sub ParameterX()
Dim dbsNorthwind As Database
Dim qdfReport As QueryDef
Dim prmBegin As Parameter
Dim prmEnd As Parameter
Set dbsNorthwind = OpenDatabase("Northwind.mdb")
' Create temporary QueryDef object with two
' parameters.
Set qdfReport = dbsNorthwind.CreateQueryDef("", _
"PARAMETERS dteBegin DateTime, dteEnd DateTime; " & _
"SELECT EmployeeID, COUNT(OrderID) AS NumOrders " & _
"FROM Orders WHERE ShippedDate BETWEEN " & _
"[dteBegin] AND [dteEnd] GROUP BY EmployeeID " & _
"ORDER BY EmployeeID")
Set prmBegin = qdfReport.Parameters!dteBegin
Set prmEnd = qdfReport.Parameters!dteEnd
' Print report using specified parameter values.
ParametersChange qdfReport, prmBegin, #1/1/95#, _
prmEnd, #6/30/95#
ParametersChange qdfReport, prmBegin, #7/1/95#, _
prmEnd, #12/31/95#
dbsNorthwind.Close
End Sub
Sub ParametersChange(qdfTemp As QueryDef, _
prmFirst As Parameter, dteFirst As Date, _
prmLast As Parameter, dteLast As Date)
' Report function for ParameterX.
Dim rstTemp As Recordset
Dim fldLoop As Field
' Set parameter values and open recordset from
' temporary QueryDef object.
prmFirst = dteFirst
prmLast = dteLast
Set rstTemp = _
qdfTemp.OpenRecordset(dbOpenForwardOnly)
Debug.Print "Period " & dteFirst & " to " & dteLast
' Enumerate recordset.
Do While Not rstTemp.EOF
' Enumerate Fields collection of recordset.
For Each fldLoop In rstTemp.Fields
Debug.Print " - " & fldLoop.Name & " = " & fldLoop;
Next fldLoop
Debug.Print
rstTemp.MoveNext
Loop
rstTemp.Close
End Sub
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