C# 如何使用Asp.net Web服务绑定ExtJS网格?
我已经尝试了所有可能的方法从我的Web服务获取JSON数据。我可以在fiddler中看到JSON数据。除了数据没有绑定到网格之外,一切都很好。这是我的密码 Webservice(Mywebservice.asmx) 我在浏览器的任何地方都没有得到任何异常。所有这些看起来都很完美,但我仍然不明白为什么它没有将网格与数据绑定在一起。它只显示带有列标题和分页工具栏的空网格C# 如何使用Asp.net Web服务绑定ExtJS网格?,c#,javascript,asp.net,json,extjs,C#,Javascript,Asp.net,Json,Extjs,我已经尝试了所有可能的方法从我的Web服务获取JSON数据。我可以在fiddler中看到JSON数据。除了数据没有绑定到网格之外,一切都很好。这是我的密码 Webservice(Mywebservice.asmx) 我在浏览器的任何地方都没有得到任何异常。所有这些看起来都很完美,但我仍然不明白为什么它没有将网格与数据绑定在一起。它只显示带有列标题和分页工具栏的空网格 有人能告诉我这里缺少什么吗?看看你的商店,我发现你定义了一个代理/读取器-但是你的模型配置在错误的对象上 应该在商店里,而不是读卡
有人能告诉我这里缺少什么吗?看看你的商店,我发现你定义了一个代理/读取器-但是你的模型配置在错误的对象上 应该在商店里,而不是读卡器上:
var storeData = new Ext.data.Store(
{
autoLoad: true,
model: 'myModel',
proxy: new Ext.ux.AspWebAjaxProxy({
url: '/ProjectManagement/Mywebservice.asmx/GetTasks',
actionMethods: {
read: 'POST'
},
reader: {
type: 'json',
root: 'd'
},
headers: {
'Content-Type': 'application/json; charset=utf-8'
}
})
});
<link href="Resources/extJS/resources/css/ext-all-debug.css" />
<script src="Resources/extJS/ext-all-debug.js" language="JavaScript" />
<script src="Resources/extJS/Ext.ux.AspWebAjaxProxy.js" ResourceType="JavaScript" />
<div class="section" runat="server" id="senchaGrid">
<h1 class="mhdr">
Project Tasks
</h1>
<div class="content">
<div class="swrap">
<%--sencha grid area--%>
<div id="topic-grid">
</div>
</div>
</div>
<script type="text/javascript" language="javascript">
/**********************************Sencha Grid Code START***********************************/
Ext.Loader.setConfig({ enabled: true });
Ext.Loader.setPath('Ext.ux', '../Resources/extjs/examples/ux');
Ext.require([
'Ext.grid.*',
'Ext.data.*',
'Ext.panel.*',
'Ext.util.*',
'Ext.toolbar.Paging',
'Ext.ux.PreviewPlugin',
'Ext.ModelManager',
'Ext.layout.container.Border',
'Ext.tip.QuickTipManager'
]);
Ext.onReady(function () {
Ext.QuickTips.init();
// setup the state provider, all state information will be saved to a cookie
Ext.state.Manager.setProvider(Ext.create('Ext.state.CookieProvider'));
Ext.namespace('EXT');
Ext.define('myModel', {
extend: 'Ext.data.Model',
fields: ['TaskId', 'TaskName'],
id: 'TaskId'
});
var storeData = new Ext.data.Store(
{
autoLoad: true,
proxy: new Ext.ux.AspWebAjaxProxy({
url: '/ProjectManagement/Mywebservice.asmx/GetTasks',
actionMethods: {
read: 'POST'
},
reader: {
type: 'json',
model: 'myModel',
root: 'd'
},
headers: {
'Content-Type': 'application/json; charset=utf-8'
}
})
});
//var pluginExpanded = true;
debugger;
var myGrid = Ext.create('Ext.grid.Panel', {
width: 1115, height: 500,
//title: 'Manage tasks',
store: storeData,
//disableSelection: true,
//stateful: true,
//stateId: 'stateGrid',
loadMask: true,
// grid columns
columns: [
{ text: 'TaskId', dataIndex: 'TaskId', header: 'Row #' },
{ text: 'TaskName', dataIndex: 'TaskName', header: 'Task Name' }
],
// paging bar on the bottom
bbar: Ext.create('Ext.PagingToolbar', {
store: storeData,
displayInfo: true,
displayMsg: 'Displaying tasks {0} - {1} of {2}',
emptyMsg: "No topics to display"
}),
renderTo: 'topic-grid'
});
// trigger the data store load
//store.load();
});
/**************************Sencha Grid Code END******************************/
/// <reference path="/Scripts/ext-all-debug.js" />
Ext.define('Ext.ux.AspWebAjaxProxy', {
extend: 'Ext.data.proxy.Ajax',
require: 'Ext.data',
buildRequest: function (operation) {
var params = Ext.applyIf(operation.params || {}, this.extraParams || {}),
request;
params = Ext.applyIf(params, this.getParams(params, operation));
if (operation.id && !params.id) {
params.id = operation.id;
}
params = Ext.JSON.encode(params);
request = Ext.create('Ext.data.Request', {
params: params,
action: operation.action,
records: operation.records,
operation: operation,
url: operation.url
});
request.url = this.buildUrl(request);
operation.request = request;
return request;
}
});
{"d":[{"__type":"Mywebservice+SampleClass","TaskId":"1","TaskName":"task1"},{"__type":"Mywebservice+SampleClass","TaskId":"2","TaskName":"task2"},{"__type":"Mywebservice+SampleClass","TaskId":"3","TaskName":"task3"},{"__type":"Mywebservice+SampleClass","TaskId":"4","TaskName":"task4"}]}
var storeData = new Ext.data.Store(
{
autoLoad: true,
model: 'myModel',
proxy: new Ext.ux.AspWebAjaxProxy({
url: '/ProjectManagement/Mywebservice.asmx/GetTasks',
actionMethods: {
read: 'POST'
},
reader: {
type: 'json',
root: 'd'
},
headers: {
'Content-Type': 'application/json; charset=utf-8'
}
})
});