Hightlight row in GridView

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
try
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
e.Row.Attributes.Add("style", "background-color: #FFFFFF; color: black;");
e.Row.Attributes.Add("onmouseover", "style.backgroundColor='#FF6600'");
e.Row.Attributes.Add("onmouseout", "style.backgroundColor='#FFFFFF'");
}
}
catch { }
}