1. Active-X Calendar Control

2. Code to set dates Private Sub Form_Open(Cancel As Integer)
' set button caption when form opens
cmdSetDate.Caption = "Set beginning date“
End Sub
Private Sub cmdSetDate_Click()
If cmdSetDate.Caption = "Set beginning date" Then
txtBeginDate = calSelectDate.Value
cmdSetDate.Caption = "Set ending date"
Else
txtEndDate = calSelectDate.Value
cmdSetDate.Caption = "Set beginning date"
End If
End Sub

3. Code to preview report Private Sub cmdPrev_Click()
Dim strRptName As String
strRptName = "rptOrders"
DoCmd.OpenReport strRptName, acViewPreview
End Sub

4. Check for valid date entry
' check that end date is > begin date
If txtEndDate < txtBeginDate Then
MsgBox "The ending date must be later than the beginning date"
cmdSetDate.Caption = "Set ending date"
calSelectDate.SetFocus
Exit Sub
End If
' check that value entered for begin date
If IsNull(txtBeginDate) Then
MsgBox "You must enter a beginning date"
cmdSetDate.Caption = "Set beginning date"
' check that value entered for end date
If IsNull(txtEndDate) Then
MsgBox "You must enter an ending date"
Include this code in Click Event handler for Preview and Print Buttons

5. Report No Data Event
Private Sub Report_NoData(Cancel As Integer)
Cancel = MsgBox("No orders to display in range specified. Cancelling report...", _
vbInformation, _
Me.Caption)
End Sub

6. Check whether form is open before running report
Private Sub Report_Open(Cancel As Integer)
If Not FormIsloaded("frmPrintOrders") Then
Cancel = MsgBox("To preview or print this report you need to select dates from the Print Orders form. Open form?", vbOKCancel, Me.Caption)
If Cancel = vbOK Then
DoCmd.OpenForm "frmPrintOrders"
End If
End Sub

7. FormIsLoaded function
Public Function FormIsloaded(strFrmName As String) As Boolean
Const conFormDesign = 0
Dim intI As Integer
FormIsloaded = False
For intI = 0 To Forms.Count - 1
If Forms(intI).FormName = strFrmName Then
If Forms(intI).CurrentView <> conFormDesign Then
FormIsloaded = True
Exit Function
End If
Next
End Function