高亮显示当前行

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        e.Row.Attributes.Add("onmouseover", "this.style.backgroundColor='yellow',this.style.fontWeight='bold'");

        e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor='white',this.style.fontWeight=''");

    }
或
protected void GridView_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        e.Row.Attributes.Add("onmouseover", "this.className='tdbgmouseover'");
        e.Row.Attributes.Add("onmouseout","this.className='tdbg'");
    }

//加入鼠标滑过的高亮效果
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {

        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='yellow',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='';");

        }
}

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {

        //单击行改变行背景颜色

        if (e.Row.RowType == DataControlRowType.DataRow)
        {

            e.Row.Attributes.Add("onclick", "this.style.backgroundColor='#99cc00'; this.style.color='buttontext';this.style.cursor='default';");

        }

}