1. #1
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    Mar 2010
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    alkasoam is on a distinguished road

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    Default Error this.proxy is null

    Error this.proxy is null


    Hi All, below is the code of my JSP. It gives error "this.proxy is null or not an object" wheneve i try to use ds.load() or ds.reload() to re-populate my grid with the updated data. Any quick help would be highly appreciated. Thanks in advance.

    <%@
    page language="java" contentType="text/html;charset=UTF-8"%>
    <%@
    taglib uri="http://beehive.apache.org/netui/tags-html-1.0" prefix="netui"%>
    <%@
    taglib uri="http://beehive.apache.org/netui/tags-databinding-1.0" prefix="netui-data"%>
    <%@
    taglib uri="http://beehive.apache.org/netui/tags-template-1.0" prefix="netui-template"%>
    <%@
    taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
    <%@
    taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>
    <%@
    taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>

    <
    style type="text/css">

    .x-grid3-cell-inner,.x-grid3-hd-inner {
    overflow:hidden;
    padding:3px 3px 3px 5px;
    white-space:normal;
    }

    </
    style>

    <%

    com.bea.netuix.servlets.controls.window.WindowPresentationContext wpc = com.bea.netuix.servlets.controls.window.WindowPresentationContext.getWindowPresentationContext(request);
    com.bea.portlet.PostbackURL postbackURL = com.bea.portlet.PostbackURL.createPostbackURL(request, response);
    String deleteAlertURLBuffer = postbackURL +
    "&" + wpc.getLabel();

    %>
    <
    script type="text/javascript">

    Ext.BLANK_IMAGE_URL =
    '/supplierPortalWeb/framework/skins/supplier/images/s.gif';

    Ext.onReady(
    function(){

    Ext.QuickTips.init();

    var xg = Ext.grid;
    // SPP2: Added - Checkbox selection model is created.
    var checkboxSel = new Ext.grid.CheckboxSelectionModel({width: 43});

    // shared reader
    var reader = new Ext.data.ArrayReader({}, [
    {name: 'message'},
    {name: 'company'},
    {name: 'lastChange', type: 'date'},
    {name:'alertId'}
    ]);

    var ds = new Ext.data.GroupingStore({
    reader: reader,
    data: xg.dummyData,
    sortInfo:
    {field: 'lastChange', direction: "DESC"},
    groupField:
    'company'
    });

    var grid = new xg.GridPanel({
    store: ds,
    columns: [

    {id:'message',header: "Message", sortable: true, dataIndex: 'message'},
    {header: "Company", width: 40, sortable: true, dataIndex: 'company'},
    {header: "Date", width: 14, sortable: true, renderer: Ext.util.Format.dateRenderer('m/d/Y'), dataIndex: 'lastChange'}

    // SPP2: Added - Checkboxes are added.
    , checkboxSel
    ],

    sm: checkboxSel,
    // SPP2: Add - Adding the delete button on right
    bbar:['->',
    {text:'Delete', tooltip:'Click to delete checked alerts' , icon:'/supplierPortalWeb/framework/skins/supplier/images/icon-delete.gif' , cls:'x-btn-text-icon' , handler: function(){
    Ext.Msg.show({
    title:'Delete alert(s)?',
    msg:
    'Are you sure to delete alert(s)?',
    buttons: Ext.Msg.YESNO,
    fn:
    function(btn){
    var
    deletedIDs=[]; //array of selected alerts

    if(btn=='yes'){
    var
    selectedRows=checkboxSel.getSelections();
    if(selectedRows.length>0){
    for
    (i=0;i<selectedRows.length;i++){
    deletedIDs.push(selectedRows[i].get('alertId'));
    }

    var
    ids = deletedIDs.toString()
    Ext.Ajax.request(
    {
    url : '<%=deleteAlertURLBuffer%>' + "_actionOverride=%2Fcom%2Fboehringer%2Fsupplier%2Fpageflows%2Falert%2FupdateAlert&amp;AlertController_2",
    method:
    'POST',
    params :
    {
    alertIDs:ids
    },
    success:
    function(response, opts) {
    ds.reload();
    }
    }
    );
    }else{
    alert("please... Select at least one alert!");
    }
    }else if
    (btn=='no'){
    return false
    ;
    }
    }
    ,
    animEl:
    'elId',
    icon: Ext.MessageBox.QUESTION
    });
    }}],
    view:
    new Ext.grid.GroupingView({
    forceFit:true,
    scrollOffset: 0,
    groupTextTpl:
    '{text} ({[values.rs.length]} {[values.rs.length > 1 ? "Items" : "Item"]})'
    }),

    frame:
    true,
    width: 945,
    height: 300,
    footer:
    true,
    collapsible:
    false,
    animCollapse:
    false,
    iconCls:
    'icon-grid',
    renderTo:
    'subscription-alert-grid'
    });

    }
    );

    Ext.grid.dummyData = [
    <c:forEach items=
    "${pageFlow.subscriptionAlertsList}" var="item" varStatus="status">
    [
    '${fn:replace(item.content,"'","&#39")}','${fn:replace(item.supplierName,"'","&#39")}','${item.createDateAsDate}','${item.subscriptionAlertByUserId}']
    <c:
    if test="${!status.last}" >,</c:if>
    </c:forEach>
    ];

    // Array data for the grids
    </
    script>
    <
    h1>Alerts</h1>

    <
    div id="subscription-alert-grid"></div>

  2. #2
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    Frederick MD, NYC, DC
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    Please repost your code within CODE tags.

  3. #3
    Ext User
    Join Date
    Mar 2010
    Posts
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    alkasoam is on a distinguished road

      0  

    Default Error this.proxy is null

    Error this.proxy is null


    Hi All, below is the code of my JSP. It gives error "this.proxy is null or not an object" wheneve i try to use ds.load() or ds.reload() to re-populate my grid with the updated data. Any quick help would be highly appreciated. Thanks in advance.

    Code:
    <%@ 
    page language="java" contentType="text/html;charset=UTF-8"%>
    <%@taglib uri="http://beehive.apache.org/netui/tags-html-1.0" prefix="netui"%>
    <%@taglib uri="http://beehive.apache.org/netui/tags-databinding-1.0" prefix="netui-data"%>
    <%@taglib uri="http://beehive.apache.org/netui/tags-template-1.0" prefix="netui-template"%>
    <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
    <%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>
    <%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
    
    <
    style type="text/css">
    
    .x-grid3-cell-inner,.x-grid3-hd-inner {
    overflow:hidden;
    padding:3px 3px 3px 5px;
    white-space:normal;
    }
    
    </
    style>
    
    <%
    com.bea.netuix.servlets.controls.window.WindowPresentationContext wpc = com.bea.netuix.servlets.controls.window.WindowPresentationContext.getWindowPresentationContext(request); 
    com.bea.portlet.PostbackURL postbackURL = com.bea.portlet.PostbackURL.createPostbackURL(request, response);
    String deleteAlertURLBuffer = postbackURL + "&" + wpc.getLabel();
    
    %>
    <
    script type="text/javascript">
    
    Ext.BLANK_IMAGE_URL = 
    '/supplierPortalWeb/framework/skins/supplier/images/s.gif';
    Ext.onReady(function(){
    
    Ext.QuickTips.init();
    var xg = Ext.grid;
    // SPP2: Added - Checkbox selection model is created.
    var checkboxSel = new Ext.grid.CheckboxSelectionModel({width: 43});
    // shared reader
    var reader = new Ext.data.ArrayReader({}, [
    {name: 'message'},
    {name: 'company'},
    {name: 'lastChange', type: 'date'},
    {name:'alertId'}
    ]); 
    var ds = new Ext.data.GroupingStore({
    reader: reader,
    data: xg.dummyData,
    sortInfo:{field: 'lastChange', direction: "DESC"},
    groupField:'company' 
    });
    var grid = new xg.GridPanel({
    store: ds,
    columns: [
    {id:'message',header: "Message", sortable: true, dataIndex: 'message'},
    {header: "Company", width: 40, sortable: true, dataIndex: 'company'},
    {header: "Date", width: 14, sortable: true, renderer: Ext.util.Format.dateRenderer('m/d/Y'), dataIndex: 'lastChange'}
    // SPP2: Added - Checkboxes are added.
    , checkboxSel
    ],
    sm: checkboxSel,
    // SPP2: Add - Adding the delete button on right
    bbar:['->',
    {text:'Delete', tooltip:'Click to delete checked alerts' , icon:'/supplierPortalWeb/framework/skins/supplier/images/icon-delete.gif' , cls:'x-btn-text-icon' , handler: function(){
    Ext.Msg.show({
    title:'Delete alert(s)?',
    msg: 'Are you sure to delete alert(s)?',
    buttons: Ext.Msg.YESNO,
    fn:function(btn){
    var deletedIDs=[]; //array of selected alerts 
    
    if(btn=='yes'){
    var selectedRows=checkboxSel.getSelections();
    if(selectedRows.length>0){
    for(i=0;i<selectedRows.length;i++){
    deletedIDs.push(selectedRows[i].get('alertId'));
    } 
    
    var 
    ids = deletedIDs.toString() 
    Ext.Ajax.request({
    url : '<%=deleteAlertURLBuffer%>' + "_actionOverride=%2Fcom%2Fboehringer%2Fsupplier%2Fpageflows%2Falert%2FupdateAlert&amp;AlertController_2",
    method: 'POST',
    params :{
    alertIDs:ids
    },
    success: function(response, opts) {
    ds.reload();
    }
    } 
    );
    }else{
    alert("please... Select at least one alert!");
    }
    }else if(btn=='no'){
    return false;
    }
    },
    animEl: 'elId',
    icon: Ext.MessageBox.QUESTION
    });
    }}],
    view: new Ext.grid.GroupingView({
    forceFit:true,
    scrollOffset: 0,
    groupTextTpl: '{text} ({[values.rs.length]} {[values.rs.length > 1 ? "Items" : "Item"]})'
    }),
    frame:true,
    width: 945,
    height: 300,
    footer: true,
    collapsible: false,
    animCollapse: false,
    iconCls: 'icon-grid',
    renderTo: 'subscription-alert-grid'
    });
    
    }
    );
    Ext.grid.dummyData = [
    <c:forEach items="${pageFlow.subscriptionAlertsList}" var="item" varStatus="status">
    ['${fn:replace(item.content,"'","'")}','${fn:replace(item.supplierName,"'","'")}','${item.createDateAsDate}','${item.subscriptionAlertByUserId}']
    <c:if test="${!status.last}" >,</c:if>
    </c:forEach>
    ]; 
     
    // Array data for the grids
    </
    script>
    <h1>Alerts</h1>
    <div id="subscription-alert-grid"></div>

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