/// <summary>
        /// 当GridView1绑定完毕数据集后,可以通过RowDataBound事件给该GRIDVIEW中数据做切合实际的转换
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            if (e.Row.RowType == DataControlRowType.DataRow) //判断是否是DataRow,以防止鼠标经过Header也有效果
            {
                // e.Row.Attributes.Add("onmouseover", "e=this.style.backgroundColor; this.style.backgroundColor='#F4F4F4'");
                // e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=e");
                string FROMUSER  = Convert.ToString(DataBinder.Eval(e.Row.DataItem, "FROMUSER")); //获取到列表中的每条记录的ID
                string ISREADS   = Convert.ToString(DataBinder.Eval(e.Row.DataItem, "ISREAD"));   //是否已经阅读
                string READTIMES = Convert.ToString(DataBinder.Eval(e.Row.DataItem, "READTIME")); //阅读的时间
                string FILEPATH  = DataBinder.Eval(e.Row.DataItem, "FILEPATH").ToString();
                string TITLE     = DataBinder.Eval(e.Row.DataItem, "TITLES").ToString();

                string titletem = commons.MakeStringLength(TITLE, 28);
                if (FILEPATH.Length > 0)
                {
                    e.Row.Cells[1].Text = "<a href='" + FILEPATH + "'  title='" + TITLE + "[点击下载附件]'  target='_blank'>" + titletem + "</a>";
                    e.Row.Cells[3].Text = "<img src='/Admin/images/doctofrom/HAVE.gif'/>";
                }
                else
                {
                    e.Row.Cells[1].Text = "<a  title='" + TITLE + "[无附件]' target='_blank'>" + titletem + "</a>";
                    e.Row.Cells[3].Text = "<img src='/Admin/images/doctofrom/HAVENO.gif'/>";
                }
            }
        }