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POExtJS 4: Saving record in record edit form to server and update grid store
 

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    <p>Below, I have a grid of project records. I'm loading the project record list via an asmx web service. I'm returning a List object in .NET via a json proxy to my project list store. Each Project object binds to my Project model. Double clicking a row in the project list grid launches the Project Edit form.</p> <p>I'm struggling with saving an edit to a record in my popup form (widget.projectedit) after clicking the "Save" button. I'm not sure whether I should be sending my update to the project store and syncing my store with my proxy, or setting up a separate store and proxy for a single Project record, and then just refresh my project store and view.</p> <p>"editProject" is being called to launch my form. I want "updateProject" to update my record, but I don't have a delegate for it yet (I'm not invoking/calling it in the code below). </p> <p><strong>Specific questions:</strong></p> <p><em>How do I call the "updateProject" function?</em></p> <p><em>How do I update my project list grid store?</em></p> <p><em>What code changes do I need? (I can figure out what code to put in the asmx service.. I just need help with the JavaScript code)</em></p> <p><img src="https://i.stack.imgur.com/NSWGo.jpg" alt="enter image description here"></p> <p><strong>ProjectList.ascx</strong></p> <pre><code>&lt;%@ Control Language="C#" AutoEventWireup="true" CodeBehind="ProjectList.ascx.cs" Inherits="Web.Controls.ProjectList.ProjectList" %&gt; &lt;div id="example-grid"&gt;&lt;/div&gt; &lt;asp:ScriptManager ID="PageScriptManager" runat="server"&gt; &lt;Services&gt; &lt;asp:ServiceReference Path="~/WebService1.asmx" InlineScript="false" /&gt; &lt;/Services&gt; &lt;Scripts&gt; &lt;asp:ScriptReference Path="~/ext-4/ext-all-debug.js" /&gt; &lt;asp:ScriptReference Path="~/Controls/ProjectList/ProjectList.js" /&gt; &lt;asp:ScriptReference Path="~/Controls/ProjectList/Proxy.js" /&gt; &lt;/Scripts&gt; &lt;/asp:ScriptManager&gt; &lt;script type="text/javascript"&gt; Ext.require([ 'Ext.grid.*', 'Ext.data.*', 'Ext.panel.*', 'Ext.layout.container.Border' ]); Ext.namespace('EXT'); Ext.define('Project', { extend: 'Ext.data.Model', fields: [ 'project_id', 'project_name', 'project_number' ] }); Ext.define('ProjectEdit', { extend: 'Ext.window.Window', alias: 'widget.projectedit', title: 'Edit Project', layout: 'fit', autoShow: true, initComponent: function () { this.items = [ { xtype: 'form', items: [ { xtype: 'textfield', name: 'project_id', fieldLabel: 'Project ID' }, { xtype: 'textfield', name: 'project_number', fieldLabel: 'Project Number' }, { xtype: 'textfield', name: 'project_name', fieldLabel: 'Project Name' } ] } ]; this.buttons = [ { text: 'Save', action: 'save' }, { text: 'Cancel', scope: this, handler: this.close } ]; this.callParent(arguments); } }); var store = new Ext.data.Store( { proxy: new Ext.ux.AspWebAjaxProxy({ url: 'http://localhost/WebService1.asmx/GetProjects', actionMethods: { create: 'POST', destroy: 'DELETE', read: 'POST', update: 'POST' }, extraParams: { myTest: 'a', bar: 'foo' }, reader: { type: 'json', model: 'Project', root: 'd' }, headers: { 'Content-Type': 'application/json; charset=utf-8' } }) }); Ext.define('ProjectGrid', { extend: 'Ext.grid.Panel', initComponent: function () { var me = this; Ext.applyIf(me, { store: store, columns: [ { text: 'Project ID', width: 180, dataIndex: 'project_id', sortable: true }, { text: 'Project Number', width: 180, dataIndex: 'project_number', sortable: true }, { text: 'Project Name', width: 180, dataIndex: 'project_name', sortable: true } ], listeners: { itemdblclick: this.editProject } }); me.callParent(arguments); }, editProject: function (grid, record) { var view = Ext.widget('projectedit'); view.down('form').loadRecord(record); }, updateProject: function (button) { var win = button.up('window'), form = win.down('form'), record = form.getRecord(), values = form.getValues(); record.set(values); win.close(); // synchronize the store after editing the record this.getProjectStore().sync(); } }); // create the grid var grid = Ext.create('ProjectGrid', { title: 'Project List', renderTo: 'example-grid', width: 540, height: 200 }); store.load(); &lt;/script&gt; </code></pre> <p><strong>Web Service:</strong></p> <pre><code>using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Services; using System.Xml; using System.Data; using System.Web.Script.Services; using System.IO; using System.Text; namespace Web { /// &lt;summary&gt; /// Summary description for WebService1 /// &lt;/summary&gt; [WebService(Namespace = "http://tempuri.org/")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] [System.ComponentModel.ToolboxItem(false)] // To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line. [System.Web.Script.Services.ScriptService] public class WebService1 : System.Web.Services.WebService { public class Project { public string project_id; public string project_number; public string project_name; } [WebMethod] [ScriptMethod(ResponseFormat = ResponseFormat.Json, UseHttpGet = false, XmlSerializeString = false)] public List&lt;Project&gt; GetProjects(string myTest, string bar) { var list = new List&lt;Project&gt;(new[] { new Project() {project_id="1", project_name="project 1", project_number="001"}, new Project() {project_id="2", project_name= "project 2", project_number= "002" }, new Project() {project_id="3", project_name= "project 3", project_number= "003" } }); return list; } } } </code></pre>
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