asp.net(c#) GridView实现鼠标悬停高亮显示

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='#6699ff';");
??????? e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=currentcolor;");
??? }
}

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