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Ken
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How to control spacing between tables?
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I recently upgraded my XamDataGrid from the express version to the release version 9.2.20092.2001. After the upgrade, my custom ExpandableFieldRecordPresenter stopped working correctly. I went ahead and upgraded its basline XAML code from the newer DefaultStyles and have begin fixing the problems. One of them I can't seem to fix. In the old datagrid's ExpandableFieldRecordPresenter, I had the margin set so that two adjacent child tables (not rows but the entire tables) would be separated by a larger space (ex. <Setter Property="Margin" Value="0,20,0,20"/>). This approach doesn't have the same effect with the new  ExpandableFieldRecordPresenter. Instead of adding space between the tables, it adds space between table headers (not column headers) and the rest of the data for any particular table. Obviously that is not the desired result. How do I control the spacing between tables now? For reference, here is a thread I started a while back that had the correct answer for the express edition:

http://forums.infragistics.com/forums/p/29045/143162.aspx#143162

Thank you.

P.S. I am using NetAdvantage for WPF 2009 Volume 2 with service release NetAdvantage_WPF_20092_SR_2001.msp.

 

 

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  • 4850
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    There was a behavior change that was made in 9.2 that was designed to increase scrolling performance. By default we now use a single panel to lay out all the records. Before we had used nested panels for each level of the hierarchy. However, one advantage to the old nested panel approach is that it allowed more flexiblity in controlling the layout of the nested records. This is the reason that the margin property setting is no longer having the desired effect in your scenario.

    We decided to default the behavior to the new single panel approach because we felt it offered the most benefit to the greatest number of users. However you can opt back into the nested panel approach by setting the UseNestedPanels property on ViewSettings. e.g.:

    <igDP:XamDataGrid>

     

     

     

     

     

    <igDP:XamDataGrid.ViewSettings>

     

     

     

    <igDP:GridViewSettings UseNestedPanels="True"/>

     

     

     

    </igDP:XamDataGrid.ViewSettings>

    </igDP:XamDataGrid>

     

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