Report Beforefactory chart drop errors in interactivity

I am working on the report which changes the design mased on user input date range params which is set in initialize. I wrote a script in beforefactory which drop 2 charts based on the daterange param and only render and execute only 1 chart and corresponding dataset.

Report execute successfully but during interactivity, any action would throw exception of cannot execute beforefactory script below:

DaysChart = reportContext.getReportRunnable().designHandle.getDesignHandle().findElement("dayschart");
HoursChart = reportContext.getReportRunnable().designHandle.getDesignHandle().findElement("hourschart");
WeeksChart = reportContext.getReportRunnable().designHandle.getDesignHandle().findElement("weekschart");

if (chartType == "days"){
HoursChart.drop();WeeksChart.drop();
}
else if( chartType == "hours"){
WeeksChart.drop();DaysChart.drop();
}
else if(chartType == "weeks"){
HoursChart.drop();DaysChart.drop();
}
else{
}

How do i change this script so that this run only with the initial report generation/rendering and not during with any interactivity action.

Thanks
Abhishek

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Comments

kclark

Can you post the full output of the error you are getting and recreate this with the sample db and attach it?

abhiallen

<blockquote class='ipsBlockquote' data-author="'kclark'" data-cid="111742" data-time="1353507540" data-date="21 November 2012 - 07:19 AM">
Can you post the full output of the error you are getting and recreate this with the sample db and attach it? </blockquote>
 
 
There are errors evaluating script "DaysChart = reportContext.getReportRunnable().designHandle.getDesignHandle().findElement("dayschart"); HoursChart = reportContext.getReportRunnable().designHandle.getDesignHandle().findElement("hourschart"); WeeksChart = reportContext.getReportRunnable().designHandle.getDesignHandle().findElement("weekschart"); if (chartType == "days"){ HoursChart.drop();WeeksChart.drop(); } else if( chartType == "hours"){ WeeksChart.drop();DaysChart.drop(); } else if(chartType == "weeks"){ HoursChart.drop();DaysChart.drop(); } else{ }": TypeError: Cannot call method "drop" of null (/report/method[@name="beforeFactory"]#7) (Element ID:1)

JasonW

Are you sure this script is in the beforeFactory? If this script is in the initialize you will get an error.

Jason