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Rendering a very lengthy report (16K+ pages)

I have found that rendering a report with a subreport brings our server to a crawl when page count goes beyond 16,000 pages. Are there data optimization techniques that you can recommend to make rendering faster? The dataset has 208K records. The data is grouped and summarized.

1 Reply
VS Vinoth Srinivasan Syncfusion Team April 16, 2020 05:23 PM UTC

Hi Paul, 

In order get the better performance with Report Viewer, apply below setting in Report Viewer to handle the larger amount data with less memory footprint. 

reportOption.ReportModel.EnableVirtualEvaluation = true; 
reportOption.ReportModel.DisablePageSplitting = true; 

Also, set the CanGrow true for necessary textbox report items alone because if  report having larger amount of data, then it will take time to measure height and width for larger amount of textboxes. Please refer the below documentation for your reference. 

Regards, 
Vinoth S. 


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