Please have a look at the following forum threads where similar scenarios have been discussed:
- Group Header - row data in group header
- Setting DisplayContent property
- Group header with converter
To sum them up, you should specify a custom template as the GroupHeaderTemplate
of your RadGridView instance and modify that to your liking. Here's an example:
Bear in mind that the data context of this template is of type GroupViewModel
I hope you find this information helpful.
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