sharepoint更新

 protected void btnOnLine_Click(object sender, EventArgs e)
        {
            try
            {
                 
                //更新
                     string loginname;
                     loginname = SPContext.Current.Web.CurrentUser.Name;
                     int queryID = Convert.ToInt32(Request.QueryString["ID"]);
                     SPWeb web = SPContext.Current.Web;
                     web.AllowUnsafeUpdates = true;
                     SPList listLeaderMail = web.Lists["领导信箱"];
                     SPListItem logItem = listLeaderMail.GetItemById(queryID);
                     logItem["replyContent"] = txtreply.Text;
                     logItem["handleDate"] = DateTime.Now;
                     logItem["handleStatus"] = "已处理";
                     logItem["replyShow"] = "是";
                     logItem["handleResult"] = "线上处理";
                     logItem["handleMan"] = loginname;
                     logItem.Update();
                     btnOnLine.Text = "重新发布";
                     btnOutLine.Visible = false;
                     btnDel.Visible = true;
                     BindTime();                
            }
            catch (Exception ex)
            {
                SharePointUtility.WriteLog(ex);
            }

        }