When the user selects rows on the grid, tis very hard to figure out which ones are selected or not.
Is there a way at design time I can play with the color to be used for this?
You can read more details about using the Visual Style Builder here:
1. Loading predefined themes
2. Working with Repository Items
3. Saving and Loading Theme Files
4. Loading Themes from an External File
5. Loading Themes from a Resource
6. Applying Theme to a Control