CR report with a chart takes a lot of time

Post Author: kushaljn
CA Forum: Charts and Graphs
Hi,
I have a CR-9. The dataset behind this report takes 4-5 seconds if I run separately.
When building a Bar Chart using the 10 rows which are returned in the dataset it takes ALMOST 30-35 seconds to fill the viewer.
Is this time acceptable/known time for a simple chart.
This is a test application which I started with in .Net, c#. I am trying to fix a bigger problem where my reports take almost 2 mins to fill up and show in the viewer.
Any suggestions/commets are welcome.
TIA.

Post Author: srmalloy
CA Forum: Charts and Graphs
I am using CR XI, so my solution may not be directly applicable to your problem. I have a report that extracts data from a database containing workload by month that presents summary data by fiscal year, grouping and across four drill-down levels of aggregation. The report originally had the month-by month data visible at the deepest drill-down level, with three charts (average workload, total workload, total work units) for the month-by-month data. The full report would take two minutes or more for the top-level report (about 12 rows of data) to display.It appears that, regardless of whether or not it is visible, CR does enough rendering all the way down the report structure to determine where items will be placed on pages; for me, that was rendering each set of three charts for each of the thousands of leaf nodes in the drill-down before CR decides whether to display the page sections those charts were in. This was not an acceptable response speed. What I did was to make the month-by-month data its own subreport, using the fiscal year parameter set in the main report as its filter; this let me provide month-by-month breakouts at each detail level while having the charts display only when the subreport is requested; that eliminated the lag in displaying the main report.

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CR report with a chart takes a lot of time

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