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TreeGrid load on demand - passing node data to server?
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I am trying to use TreeGrid's load on demand functionality as described here http://www.igniteui.com/tree-grid/load-on-demand

When the data source is set to a URL, it seems that my only option to pass some data to the server when a node is expanded is to rely on the autogenerated 'path' URL parameter, which lists a chain of row IDs up to the root, and also the node depth URL parameter. Is there any way to add any custom data to these calls besides what the widget does automatically?  The data we are displaying is not homogeneous, so row IDs and depths are not sufficient when loading child rows.

Thank you!

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