Thank you for your patience.
We have analyzed your query. As of now we don’t have the “Support to set the style properties in XAML”. We have considered to provide this support and logged feature request for the same. We will implement this feature in any of our upcoming release.
At the planning stage for every release cycle, we review all open features and identify features for implementation based on specific parameters including product vision, technological feasibility, and customer interest. We will let you know when this feature is implemented. We appreciate your patience until then.
You can also communicate with us regarding the open features any time using our Feature Report page.
If you have any more specification/suggestions to the feature request, you can add it as a comment in the portal.
Also, you can apply styling by extending from DataGridStyle class. Please refer the following user guideline for more details.