Gridview光棒效果

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        { 
            e.Row.Attributes.Add("onmouseover","currentcolor=this.style.backgroundColor; this.style.backgroundColor='red'");
            e.Row.Attributes.Add("onmouseout","this.style.backgroundColor=currentcolor");
        }
    }