Javascript 使用jqGrid 4,为什么在事件处理程序中未定义rowid?
我在一个独立的网格中使用jqGrid 4.1.2。我看到一个实例,其中事件处理程序接收到一个未定义的值作为rowid参数的值 这是我的初始化代码Javascript 使用jqGrid 4,为什么在事件处理程序中未定义rowid?,javascript,jquery,jqgrid,Javascript,Jquery,Jqgrid,我在一个独立的网格中使用jqGrid 4.1.2。我看到一个实例,其中事件处理程序接收到一个未定义的值作为rowid参数的值 这是我的初始化代码 $("#truckGrid").jqGrid({ url:'/handlers/TruckerCheckDataHandler.ashx', datatype: "json", colNames:['id','All','VIN', 'Plate', 'Make','Model','Year','RFID #','Descrip
$("#truckGrid").jqGrid({
url:'/handlers/TruckerCheckDataHandler.ashx',
datatype: "json",
colNames:['id','All','VIN', 'Plate', 'Make','Model','Year','RFID #','Description'],
colModel: [
{name:'id', index: 'id', hidden:true},
{name:'action',index:'action', width:25},
{name:'vin',index:'vin', width:120},
{name:'plate',index:'plate', width:75},
{name:'make',index:'make', width:80},
{name:'model',index:'model', width:80},
{name:'year',index:'year', width:40},
{name:'rfidNo',index:'rfidNo', width:50},
{name: 'description', index: 'description', width: 100, sortable: false}
],
hidegrid: false,
jsonReader : {
root: 'rows',
repeatitems: false,
id: 'id',
page: 'page',
total: 'total',
records: 'records'
},
nav : {
edittext: "Edit",
edittitle: "Edit",
addtext: "Add Truck",
addtitle: "Add Truck",
deltext: "Delete",
deltitle: "Delete"
},
ondblClickRow: function (rowid, iRow, iCol, e) {
alert(rowid);
},
rowNum:10,
rowList:[10,20,30],
pager: '#truckPager',
sortname: 'vin',
viewrecords: true,
sortorder: "desc"
});
jQuery("#truckGrid").jqGrid('navGrid','#truckPager',{
add: true,
addfunc: function() {
},
del:true,
delfunc: function (rowid) {
alert(rowid);
},
editfunc: function (rowid) {
alert(rowid);
},
edit: true,
clear:false
});
下面是将卡车数据实际添加到网格的代码
var _truckList = null;
function truckData (truckId, vin, make, model, year, country, state, plateNum, description, rfid, truckType) {
return {
id : truckId,
vin : vin,
make : make,
model : model,
year : year,
plateCountry : country,
plateState : state,
plateNumber : plateNum,
description : description,
rfid : rfid,
truckType : truckType,
toJqGridData : function() {
// [{"DATA_ID":"0", "DATA_DN": "national"}, {"DATA_ID":"1", "DATA_DN": "samsung"}]
return [{"id":this.id, 'action': '', 'vin':this.vin,
'plate':this.plateCountry + '-' + this.plateState + '-' +
this.plateNumber, 'make':this.make, 'model':this.model,
'year':this.year,'rfidNo':this.rfid,
'description':this.description}]
}
};
}
function addTruckData() {
var addTruck = true;
var truckVin = $('#truckVin').val();
if (truckVin.length == 0) {
return null;
}
var rowId = -1;
var method = '';
var truck = new truckData (0, truckVin,
$('#truckMake').val(),
$('#truckModel').val(),
$('#truckYear').val(),
$('#country').val(),
$('#state').val(),
$('#truckPlateNumber').val(),
$('#truckDescription').val(),
$('#truckRfidNo').val(),
'OwnerOperator');
if (_truckList != null) {
for (var xx = 0; xx < _truckList.length; xx++ ) {
if (_truckList[xx].vin == truckVin) {
// The vin is already in the list, update it.
rowId = xx + 1;
break;
}
}
}
if (rowId == -1 && _truckList == null) {
_truckList = [ truck ];
rowId = 1;
method = 'addRowData';
}
else if (rowId == -1) {
rowId = _truckList.length + 1;
_truckList.push (truck);
method = 'addRowData';
}
else {
_truckList[rowId - 1] = truck;
method = 'setRowData';
}
var result = $('#truckGrid').jqGrid(method, rowId, truck.toJqGridData());
if (!result) {
alert('Operation failed.');
}
// resetTruckFields(); <- Resets the UI state by setting the text boxes to ''
return truck;
}
我肯定我在这里做错了什么,但我不知道是什么。有什么想法吗
网格此时未连接到数据处理程序,并且未按预期进行任何调用。一切都是在java脚本中本地生成的
为了更清楚一点,addTruckData由附在按钮上的代码调用,如下所示:
$(document).ready(function () {
$('#doIt').click(function () {
if ($('form').valid()) {
addTruckData();
}
});
});
您没有发布任何JSON数据,所以我尝试用一些虚拟数据重现您的问题。你怎么能从我身上看出没有成功。我的意思是,所有的工作没有任何问题。所以问题应该在代码的另一部分
此外,我将设置从jqGrid的nav参数(不存在)移动到navGrid的其他选项,并做了一些其他最小的更改。如果打开演示的源代码,您可以看到所有内容。在我的头重重地撞在众所周知的墙上之后,我让它开始工作了。下面列出了与不工作的代码的差异
$("#truckGrid").jqGrid({
// url:resolveUrl('/handlers/TruckerCheckDataHandler.ashx'), <-- Removed because no actual server communication was being utilized.
datatype: "clientSide", // <-- Should not have been "json", this was happening all client side
colNames:['id','All','VIN', 'Plate', 'Make','Model','Year','RFID #','Description'],
colModel: [
{name:'id', index: 'id', hidden: true},
{name:'action',index:'action', width:25},
{name:'vin',index:'vin', width:120},
{name:'plate',index:'plate', width:75},
{name:'make',index:'make', width:80},
{name:'model',index:'model', width:80},
{name:'year',index:'year', width:40},
{name:'rfidNo',index:'rfidNo', width:50},
{name: 'description', index: 'description', width: 100, sortable: false}
],
datatype: 'local',
hidegrid: false,
jsonReader : {
// root: 'rows',
repeatitems: false //,
// id: 'id',
// page: 'page',
// total: 'total',
// records: 'records'
},
multiselect : true,
ondblClickRow: function (rowid) {
editTruck(rowid);
},
rowNum:10,
rowList:[10,20,30],
pager: '#truckPager',
sortname: 'vin',
viewrecords: true,
sortorder: "desc"
});
$("#truckGrid").jqGrid('navGrid', '#truckPager', {
edittext: "Edit ",
edittitle: "Edit",
addtext: "Add Truck ",
addtitle: "Add Truck",
deltext: "Delete ",
deltitle: "Delete",
addfunc: function () {
alert('add');
},
delfunc: function (rowid) {
alert(rowid);
},
editfunc: function (rowid) {
alert(rowid);
},
//edit: true,
clear: false
});
在您发布的代码中,将使用但未定义变量或函数_ctrlId、truckData、truckType、truckList、result、resetTruckFields、resolveUrl、editTruck、removeTruck。要使用未定义的rowid参数ondblClickRow重现问题,您可以尝试减少代码,直到问题仍然存在。为了允许其他人重现您的问题,您需要额外发布从“/handlers/TruckerCheckDataHandler.ashx”返回的JSON数据。您可以获取有关的数据。我已从示例中删除了有问题的项。我注意到您没有尝试实现addTruckData方法。我也不是从网格中有任何数据的点开始。在这一点上,它是空的。我把你所有的变化都带进来了,问题仍然存在。现在,我正在关注$'truckGrid'。jqGridmethod,rowId,truck.toJqGridData@对不起,我不明白你的意思。我刚刚使用了你的代码:addfunc:function{}查看你问题中的代码。我无法使用addTruckData函数,因为它包含许多未定义的变量和类,如truckData。很抱歉,我添加了truckData函数。其他所有内容都应该支持addTruckData方法。@琥珀:变量结果和函数resetTruckFields仍然未定义。此外,还不清楚您使用哪个实现来实现addfunc。addTruckData返回类truckData的对象。truckData类的toJqGridData方法未定义。毕竟,我最不清楚的是为什么addfunc的代码对ondblClickRow很重要。只有在代码破坏了$'truckGrid'的一些重要结构的情况下,它才是重要的。结果缺少var,并且toJqGridData是在truckData类上定义的。addfunc目前为空,因为它尚未实现。
$("#truckGrid").jqGrid({
// url:resolveUrl('/handlers/TruckerCheckDataHandler.ashx'), <-- Removed because no actual server communication was being utilized.
datatype: "clientSide", // <-- Should not have been "json", this was happening all client side
colNames:['id','All','VIN', 'Plate', 'Make','Model','Year','RFID #','Description'],
colModel: [
{name:'id', index: 'id', hidden: true},
{name:'action',index:'action', width:25},
{name:'vin',index:'vin', width:120},
{name:'plate',index:'plate', width:75},
{name:'make',index:'make', width:80},
{name:'model',index:'model', width:80},
{name:'year',index:'year', width:40},
{name:'rfidNo',index:'rfidNo', width:50},
{name: 'description', index: 'description', width: 100, sortable: false}
],
datatype: 'local',
hidegrid: false,
jsonReader : {
// root: 'rows',
repeatitems: false //,
// id: 'id',
// page: 'page',
// total: 'total',
// records: 'records'
},
multiselect : true,
ondblClickRow: function (rowid) {
editTruck(rowid);
},
rowNum:10,
rowList:[10,20,30],
pager: '#truckPager',
sortname: 'vin',
viewrecords: true,
sortorder: "desc"
});
$("#truckGrid").jqGrid('navGrid', '#truckPager', {
edittext: "Edit ",
edittitle: "Edit",
addtext: "Add Truck ",
addtitle: "Add Truck",
deltext: "Delete ",
deltitle: "Delete",
addfunc: function () {
alert('add');
},
delfunc: function (rowid) {
alert(rowid);
},
editfunc: function (rowid) {
alert(rowid);
},
//edit: true,
clear: false
});