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Crystal Report Not Refreshing

Posted on 2001-07-20
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Last Modified: 2012-08-14
I have a VB application with Crystal Reports incorporated through ActiveX components.  When I run the CRViewer the Report which connects through ODBC with AS400 back-end is not refresh to the latest changes in the backend.  I must enable Crystal Report's refresh button so users can refresh the data.  I have already disable 'Save Data with Report' in Crystal Report Designer prior to importing the report into VB.  When I click on refresh button the report is refresh with the latest data. Should I include VB code in the CRViewer so the report gets refresh automatically once is loaded ?
How do I do this ?  Please provice sample code.

Thank you.
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Question by:Ogueds
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Expert Comment

by:Dave_Greene
ID: 6303566
Add a Timer control to your project and add this code

Private Sub Form_Load()
  With Timer1
    .Interval = 60000  'set to trigger every 1 minute (it's max value)
    .Enabled = True
  End With
End Sub

Private Sub Timer1_Timer()
  CRViewer1.Refresh  <-- Call the refresh here
End Sub
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Expert Comment

by:DRRYAN3
ID: 6304039
Prior to calling the CRViewer1.ViewReport method, set these properties:

CRViewer1.DisplayToolbar = True
CRViewer1.EnableRefreshButton = True

This will allow your users to refresh the data on demand.
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Accepted Solution

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Aaron_Young earned 50 total points
ID: 6304180
Use the "DiscardSavedData()" method of the Report Object prior to displaying the report.  This will Discard any saved data (if any) and force a refresh.

If you want to "continually" refresh the reports data whilst it's displayed then any of the methods already suggested should work fine, I'd probably opt. for enabling the Refresh button and letting the User decide when a Refresh is necessary.

Regards,

- Aaron.
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Expert Comment

by:NellaiSiva
ID: 6304434
Hi

It is very simple. Set the Crystal Report OCX property "DiscaredSaveData" to true. This will solve your problem.

siva
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Expert Comment

by:DRRYAN3
ID: 6304864
NellaiSiva -

Your account was created in March - you should know how things work around here by now.  Do not propose an answer unless you are more than 100% sure it is correct.  Yours is not.  Not only have you misspelled the property name, but your proposed answer repeats Aaron_Young's comment.

Oqueds - please REJECT the proposed answer.
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Expert Comment

by:ComTech
ID: 6304971
Proposed answer rejected.

ComTech
Community Support Moderator
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Expert Comment

by:ComTech
ID: 6304972
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Thank you,
ComTech
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