GridView中鼠标滑过行色彩

        /// <summary>
        /// 鼠标滑过设置行颜色
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void gvStudent_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            //加入鼠标滑过的高亮效果
            if (e.Row.RowType == DataControlRowType.DataRow)//判定当前的行是否属于datarow类型的行
            {
                //当鼠标放上去的时候 先保存当前行的背景颜色 并给附一颜色
                e.Row.Attributes.Add("onmouseover", "currentcolor=this.style.backgroundColor;this.style.backgroundColor='#dff3fe',this.style.fontWeight='';");
                //当鼠标离开的时候 将背景颜色还原的以前的颜色
                e.Row.Attributes.Add("onmouseout",
      "this.style.backgroundColor=currentcolor,this.style.fontWeight='';");
             }
        }