Hello,

It has been a while since you have made your post, in case you still need support I will be glad to assist you further. I suppose the other community members can benefit from this answer as well. So I have been looking through you post and it seems like there isn’t samples with custom theme for XamDataGrid, because our themes are basically a pack of styles for the elements that the grid is built on, so if you want you can do so and create your own styles.

Feel free to write me if you have further questions.