//删除附件function Ajax_DelAttachmentFile(attFileId) {　　 /// 
     /// 删除附件     /// 
 /// 文件ID     /// 
      var drawingState = $("#DrawingState").val();    var drawingId = $("#DrawingId").val(), drawingListObj = $("#DrawingFileIdList"), drawingList = drawingListObj.val() + ",";    $.getJSON("/Elevator/DelAttachmentFile", { drawingId: drawingId, drawingFileId: attFileId }, function (json) {    　　//by litao 2012-06-08       var objParentID = $(P_PopThis).parents("table")[0].id;     //当前对象上级为“table”的对象ID值　　　　//根据objParentID推测出另一个对象ID值 var brotherParentID = (/^.*s$/.test(objParentID)) ? objParentID.substr(0, objParentID.length - 1) : objParentID + "s";         $("#" + brotherParentID).find("input[type='hidden']").each(function (n, obj) {       　　if ($(obj).attr("value") == attFileId) {          　　$(obj).parents("tr").remove();          }       });                   $(P_PopThis).parents("tr").remove();       P_PopCls.isSuccess(1, '成功删除附件！');       drawingList = drawingList.replace(attFileId + ",", "");       drawingList != "" ? drawingList = drawingList.substring(0, drawingList.length - 1) : 0;       drawingListObj.val(drawingList); 　　}); }