batchdel: function () {var checkStatus = table.checkStatus('LAY-gridview'), checkData = checkStatus.data; //得到选中的数据if (checkData.length === 0) {return layer.msg('请选择数据');}//var dataId = JSON.stringify(checkData[0].Id);// layer.alert(JSON.stringify(checkData[0].Id));var pStr = "";for (var i = 0; i < checkData.length; i++) {  pStr = pStr + JSON.stringify(checkData[i].Id)+",";}  pStr=  pStr.substring(0, pStr.length - 1);layer.confirm('确定删除该行数据吗?', function (index) {//向服务端发送删除指令, 批量删除var changeUrl = '<%= Url.Action("DeleteByIds", "UrlList",new {r=DateTime.Now.Ticks})  %>';$.post(changeUrl, { ids: pStr }, function (reData) {if (reData.success) {table.reload('LAY-gridview');layer.msg('已删除');layer.close(index);} else {layer.msg("删除失败!");}});});

  public JsonResult DeleteByIds(){UrlListBLL listBLL = new UrlListBLL();try{string idStr = Request.Form["ids"];bool result = false;string[] sNums= idStr.Split(',').ToArray();if (sNums.Length > 0){int[] ids = Array.ConvertAll(sNums, int.Parse);result = listBLL.DeleteByIds(ids);}var json = new{success = result,msg = ""};return Json(json, JsonRequestBehavior.AllowGet);}catch (Exception ex){string msg = ex.Message;if (ex.InnerException != null){msg += ex.InnerException.Message;}throw ex;}}

   /// <summary>/// 批量删除 /// </summary>/// <param name="ids"></param>/// <returns></returns>public bool DeleteByIds(int[]ids){bool result = false;using (CoolToolDBEntities db = new CoolToolDBEntities()){foreach (int id in ids){UrlInfo utlInfo = new UrlInfo() { Id=id};db.Entry<UrlInfo>(utlInfo).State = System.Data.EntityState.Deleted;}result = db.SaveChanges() > 0;}return result;}