Linked Post written by : Paul Marshall
Here is a minor imporvement I made to the code written by Paul Marshall that just makes it easier to control the styling applied onMouseOver of the grid. I used it to change it so the whol row is highlighted rather than just underlining the text.
In GridView_RowDataBound I changed this bit of code to reference the my css file.
e.Row.Attributes["onmouseout"] = "this.className='';";