var groups;//用户组为另一个表，所以需先加载，用于编辑时下拉框
var editindex = undefined;
var action;
$(function () {
$.ajax({
cache: false,
async: false,
type: "POST",
dataType: 'json',
url: "/Areas/Manager/Handler/WebStat/AdminList.ashx?classa=grouplist",
success: function (data) {
groups = data;//加载用户组json
}
});
list();
});

function list() {
$("#AdminList").datagrid({
width: 800,
height: 760,
title: '管理员列表',
url: '/Areas/Manager/Handler/WebStat/AdminList.ashx?classa=list',
singleSelect: true,
pagination: true,
pageSize: 30,
pageList: [30, 50, 100],
idField: "id",
columns: [[
{ title: '编号', field: 'id', width: 40 },
{ title: '用户名', field: 'name', width: 150, editor: { type: 'validatebox',
options: { required: true, missingMessage: '不能为空' }//验证编辑框
}
},
{ title: '用户组', field: 'gid', width: 300, formatter: function (value) {
for (var i = 0; i < groups.length; i++) {
if (groups[i].gid == value) return groups[i].groupname;
}
return value;//用户组为另一个表，加载为用户组表的id，需格式化显示用户组名
}, editor: { type: 'combobox', options: { valueField: 'gid',
textField: 'groupname',
data: groups//编辑时用户组下拉框
}
}
},
{ title: '日期', field: 'data', width: 160 },
{ title: '操作', field: 'action', width: 140,
formatter: function (value, row, index) {
if (row.editing) {
var s = '<a href="#" onclick="saverow(this)">Save</a> ';
var c = '<a href="#" onclick="cancelrow(this)">Cancel</a>';
return s + c;
} else {
var e = '<a href="#" onclick="editrow(this)">Edit</a> ';
var d = '<a href="#" onclick="deleterow(this)">Delete</a>';
return e + d;
}
}
}
]],
toolbar: [{
text: '增加',
iconCls: 'icon-add',
handler: function () {
insert();
}
}],
onBeforeEdit: function (index, row) {
row.editing = true;
updateActions(index);
},
onAfterEdit: function (index, row) {
row.editing = false;
updateActions(index);
},
onCancelEdit: function (index, row) {
row.editing = false;
updateActions(index);
}
});
var pager = $('#AdminList').datagrid('getPager'); // 分页
}

function updateActions(index) {//只允许一行编辑
if (endEditing()) {
$("#AdminList").datagrid('selectRow', index);
$('#AdminList').datagrid('updateRow', {
index: index,
row: {}
});
editindex = index;

} else {
$('#AdminList').datagrid('selectRow', editindex);
}
}
function endEditing() {
if (editindex == undefined) { return true; }
if ($('#AdminList').datagrid('validateRow', editindex)) {
$('#AdminList').datagrid('endEdit', editindex);
editindex = undefined; return true;
} else { return false; }
}
function getRowIndex(target) {
var tr = $(target).closest('tr.datagrid-row');
return parseInt(tr.attr('datagrid-row-index'));
}
function editrow(target) {
action = "Edit";
$('#AdminList').datagrid('beginEdit', getRowIndex(target));
}
function deleterow(target) {
$.messager.confirm('Confirm', 'Are you sure?', function (r) {
if (r) {
var row = $('#AdminList').datagrid('getSelected');
if (row) {
$.ajax({
cache: false,
async: false,
type: "POST",
dataType: 'json',
url: "/Areas/Manager/Handler/WebStat/AdminList.ashx?classa=Del&id=" + row.id + "",
success: function (data) {
if (data > 0) {
$('#AdminList').datagrid('reload');
}
else {
$.messager.alert('Warning', '保存错误！');
}
}
});
}
$('#AdminList').datagrid('deleteRow', getRowIndex(target));
}
});
}
function saverow(target) {
$('#AdminList').datagrid('endEdit', getRowIndex(target));
var row = $('#AdminList').datagrid('getSelected');
if (row) {
$.ajax({
cache: false,
async: false,
type: "POST",
dataType: 'json',
url: "/Areas/Manager/Handler/WebStat/AdminList.ashx?classa=" + action + "&id=" + row.id + "&name=" + row.name + "&gid=" + row.gid,
success: function (data) {
if (data > 0) {
$('#AdminList').datagrid('reload');
}
else {
$.messager.alert('Warning', '保存错误！');
}
}
});
}

}
function cancelrow(target) {
$('#AdminList').datagrid('cancelEdit', getRowIndex(target));
}
function insert() {
if (endEditing()) {
// var row = $('#AdminList').datagrid('getSelected');
// if (row) {
// var index = $('#tt').datagrid('getRowIndex', row);
// } else {
index = 0;//添加新内容，只插入到第一行
// }
$('#AdminList').datagrid('insertRow', {
index: index,
row: {
status: 'P'
}
});
action = "Add";
$('#AdminList').datagrid('selectRow', index);
$('#AdminList').datagrid('beginEdit', index);
editindex = undefined;

}
}

由 http://www.jeasyui.com/tutorial/datagrid/datagrid12.php 修改