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Show/Hide Row Expander Twistie on-demand?
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I have a WHDG in which the child band is created at runtime on-demand when the twistie (row expander icon) is clicked by the user. E.g. for a Manager, the subordinate user list is shown when the twistie is clicked. In my case, not all rows are expected to have child band data e.g. when the user is at the lowest level of the reporting hierarchy.

My issue is that all rows currently display the twistie regardless of if there is a child-band database available. I believe this is due to the fact that child-band data is generated on demand when the twistie is clicked.

Now I can obtain the information if there is child-band data available for a given row  when I retrieve the parent dataset as well. Is there anyway to feed this information to the WHDG  when the parent row is bound so the twistie is shown for the rows only when there is a child-band data available?

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