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Reportheader_format event firing twice?

Posted on 2004-04-28
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Last Modified: 2008-02-01
I have a report that has a query with a parameter as a recordsource.  I want to pass the parameter value to another sub function and I am using the reportheader_format event to capture and pass the parameter.  Everything seems to be working except that the reportheader_format event appears to be firing twice.  What triggers this event? Why is it firing twice on opening of report?

Any help is appreciated.

Rene'
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Question by:rhdeleon
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6 Comments
 
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Expert Comment

by:davidW
ID: 10945870
rhdeleon

When you say the event is firing twice do you mean the parameter is asked for twice
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Author Comment

by:rhdeleon
ID: 10945888
No, I think I kinda figured it out.  I have a subreport on the report and it appears that the reportheader_format event is firing for both the report and the subreport.  Does this sound right?  Anyway, I think I've got it working.

Thanks,

Rene'
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Accepted Solution

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nico5038 earned 200 total points
ID: 10946662
Hi Rene,

Access will sometimes process the data twice when building a report.
This is because you're allowed to put e.g. a total in a header. Thus all data needs to be processed to get the total, but as you can display it "before" the detail data has been read, there's always a first "cycle" for the calculation of the totals and then the detail lines are printed.
For this Access has the FormatCount property. Just open the OnFormat of your Detail section, select the FormatCount and press F1 to see in the helpfile the whole story.

Nic;o)
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LVL 57
ID: 10952756
In Addition to what Nico said, Access will also execute the OnFormat of a section several times if it needs to retreat up the page based on settings for grouping, etc that you have set (i.e. Keep Together).

Jim.
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