protected void gvTest_RowDataBound(object sender, GridViewRowEventArgs e)        {            //如果是绑定数据行            if (e.Row.RowType == DataControlRowType.DataRow)            {                //鼠标经过时，行背景色变                e.Row.Attributes.Add("onmouseover", "this.style.backgroundColor='#E6F5FA'");                //鼠标移出时，行背景色变                e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor='#FFFFFF'");                //为gridview行添加双击事件                string url = "http://www.hello-code.com";                e.Row.Attributes.Add("ondblclick", "javascript:parent.location.href='"+url+"'");                //为gridview列添加click事件                e.Row.Cells[3].Attributes.Add("onclick", "javascript:parent.location.href='" + url + "'");            }            //如果是绑定数据行            if (e.Row.RowType == DataControlRowType.DataRow)            {                if (e.Row.RowState == DataControlRowState.Normal || e.Row.RowState == DataControlRowState.Alternate)                {                    //删除前弹出确认框                    ((LinkButton)e.Row.Cells[6].Controls[0]).Attributes.Add("onclick", "javascript:return confirm('你确认要删除：\"" + e.Row.Cells[2].Text + "\"吗?')");                }            }            if (e.Row.RowIndex != -1) //自动生成编码列            {                int id = e.Row.RowIndex + 1;                e.Row.Cells[0].Text = id.ToString();            }            if (e.Row.RowIndex != -1) //过长的内容，用...代替            {                string strInfo = e.Row.Cells[2].Text;                e.Row.Cells[2].Text = SubStr(strInfo, 1);                e.Row.Cells[2].ToolTip = strInfo;            }            if (e.Row.RowIndex == 5) //突出显示某信息            {                e.Row.Cells[0].BackColor = System.Drawing.Color.Red;            }        }        public string SubStr(string sString, int nLeng)        {            if (sString.Length <= nLeng)            {                return sString;            }            string sNewStr = sString.Substring(0, nLeng);            sNewStr = sNewStr + "...";            return sNewStr;        }

　转自　http://www.hello-code.com/blog/asp.net/201403/3027.html