Question

In cxGrid, find number of records displayed

Asked by: MartinC

I am using a cxGrid, with the default configuration with cxGridViewerDBTableView1. I need to find the number of records being displayed, and send it in code to a label. The number of records has to reflect the number after filtering in the grid, so if the dataset has 10 records, 4 of which are 'type = A', when type is filtered to 'A' the count should be 4.  

The right data is available by setting:
 
cxGridViewerDBTableView1
DataController
Summary
FooterSummary

attached to the first column and Kind set to skCount, but this seems a roundabout way of going about things, and has disadvantages: the footer stays at the bottom of the column it is attached too, so scrolling to further columns to the right removes it from view. In addition, having the footer there means an export of the grid includes the count at the bottom, which is not desired. I can copy this figure to a label with code in the:

cxGridViewerDBTableView1DataControllerSummaryAfterSummary

event, but I'd like to not have the column footer there at all.

I just want a simple count of how many records are currently displayed, which would seem to be fairly basic ... isn't there some simple cxGridViewerDBTableView1 .RecordCount or something?

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Asked On
2009-10-14 at 19:12:24ID24813563
Tags

delphi cxGrid

Topic

Delphi Components

Participating Experts
1
Points
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Answers

 

by: Geert_GruwezPosted on 2009-10-14 at 20:27:17ID: 25576997

the DataController of the view has a property: FilteredRecordCount
this shows the number of records

Label.Caption := Format('Number of filtered rows: %d', [cxGridViewerDBTableView1.DataController.FilteredRecordCount]);

 

by: MartinCPosted on 2009-10-14 at 23:33:45ID: 25577786

Perfect! - thanks!

20120131-EE-VQP-002

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