利用jqgrid实现上移下移单元格功能

 <a href="javascript:void(0)" rel="external nofollow" rel="external nofollow" onclick="operateWithOneRowById(up)" class="linkButton">上移</a>
 <a href="javascript:void(0)" rel="external nofollow" rel="external nofollow" onclick="operateWithOneRowById(down)" class="linkButton">下移</a>

function operateWithOneRowById(callback) {
   var selected = tableObj.jqGrid('getGridParam', 'selrow');
   if (selected == null) {
    alert("请用鼠标点击选择一行后再执行操作!");
    return;
   }
   return callback(selected);
  }

function up(selected) {
   if (selected == 1) return;
   else {
    gridHelper.moveRow("up", tableObj);
   }
  }

  function down(selected) {
   gridHelper.moveRow("down", tableObj);
  }

//移动一行
 this.moveRow = function(moveMethod, grid) {
  if (grid) tableObj = grid;
  var id;
  // if(selRow) id=selRow;
  // else id = getSelRow();
  id = this.getSelRow();
  tableObj.restoreRow(id);
  if (id == null) return;
  var targetId = this.getTargetId(id, moveMethod)
  if (targetId == -1) return;

  var temp1 = tableObj.getRowData(id);
  var temp2 = tableObj.getRowData(targetId);
  //对调行号
  var tempRn = temp1.rn;
  temp1.rn = temp2.rn;
  temp2.rn = tempRn;
  //对调数据
  tableObj.setRowData(id, temp2);
  tableObj.setRowData(targetId, temp1);
  tableObj.setSelection(targetId);
 }

//取得上移时的上一行的id，或下移时的下一行的id
 this.getTargetId = function(selId, method, grid) {
  if (grid) tableObj = grid;
  var ids = tableObj.getDataIDs();
  for (var i = 0; i < ids.length; i++) {
   if (selId == ids[i] && method == "up") {
    if (i == 0) return -1;
    else return ids[i - 1];
   }
   if (selId == ids[i] && method == "down") {
    if (i == ids.length - 1) return -1;
    else return ids[i + 1];
   }
  }
 }

public void UpdatePlan(PlanToReport plan, List<PlanPerson> list)
  {
   NHibernate.ISession session = NHibernateSessionManager.Instance.GetSession();
   try
   {
    PlanToReportService.UpdatePlan(plan);
    for (int i = 0; i < list.Count; i++)
    {
     PlanPerson item = list[i];
     if (item.ID != 0)
     {
      PlanPerson itemnew = PlanToReportService.GetPlanPersonById(item.ID);
      itemnew.JobName = item.JobName;
      itemnew.ApprovalResults = item.ApprovalResults;
      itemnew.Attachments = item.Attachments;
      itemnew.CountryCode = item.CountryCode;
      itemnew.CountryName = item.CountryName;
      itemnew.MissionType = item.MissionType;
      itemnew.Position = item.Position;
      itemnew.Remark = item.Remark;
      itemnew.StartDate = item.StartDate;
      itemnew.Status = item.Status;
      itemnew.Explain = item.Explain;
      itemnew.Order = i;
      PlanToReportService.AddNewPlanPerson(itemnew);
     }
     else
     {
      item.PlanID = plan.ID;
      item.Order = i;
      PlanToReportService.AddNewPlanPerson(item);
     }
      
    }
    session.Transaction.Commit();
   }
   catch (Exception ep)
   {
    session.Transaction.Rollback();
    throw ep;
   }
  }

public List<PlanPersonShowInGrid> GetShowPersonInPlan(int planID)
  {
   ISession session = NHibernateSessionManager.Instance.GetSession();
   ICriteria criteria = session.CreateCriteria(typeof(PlanPersonShowInGrid));
   criteria.Add(Expression.Eq("PlanID", planID)).AddOrder(Order.Asc("Order"));
   List<PlanPersonShowInGrid> list = new List<PlanPersonShowInGrid>();
   try
   {
    IList l = criteria.List();
    list = PlanToReportDao.IListToList<PlanPersonShowInGrid>(l);
   }
   catch { }
   return list;
  }