1. #1
    Ext User
    Join Date
    Dec 2007
    Posts
    24
    Vote Rating
    0
    netbox is on a distinguished road

      0  

    Default datastore load error"root is undefined"

    datastore load error"root is undefined"


    mycode
    Code:
     var DepartMentDs = new Ext.data.Store(
            {
                proxy: new Ext.data.WCFHttpProxy({
                    url: "/OA_Service.svc/GetDepartMentList"
                }),
                reader: new Ext.data.WCFJsonReader({
                    root: 'DepartMentList',
                    totalProperty: 'TotalCount',
                    id: 'DeptID',
                    fields: [
    			{name:'DeptID',type:'int'},
    			{name:'DeptName',type:'string'},
    			{name:'DeptParent',type:'int'},
    			{name:'DeptOrder',type:'int'},
    			{name:'DeptLevel',type:'int'},
    			{name:'DeptBelong',type:'int'}
                    ]
                }),
                remoteSort: true
            }
            );
            DepartMentDs.setDefaultSort("DeptID", "asc");
    
      var cm = new Ext.grid.ColumnModel([
            rn,
            sm,
    		{header:'',dataIndex:'DeptID'},
    		{header:'部门名称',dataIndex:'DeptName'},
    		{header:'上级部门',dataIndex:'DeptParent'},
    		{header:'排序',dataIndex:'DeptOrder'},
    		{header:'层级',dataIndex:'DeptLevel'},
    		{header:'部门所属',dataIndex:'DeptBelong'},
    
    
        ]);
                    cm.defaultSortable = true;
                    var grid = new Ext.grid.GridPanel({
                        ds: DepartMentDs,
                        cm: cm,
                        sm: sm,
                        title: '通告列表',
                        bbar: new Ext.PagingToolbar({
                            pageSize: 10,
                            store: DepartMentDs,
                            displayInfo: true,
                            displayMsg: '显示第 {0} 条到 {1} 条记录,一共 {2} 条',
                            emptyMsg: "没有记录"
                        }),
                        tbar: [{
                            id: 'btnAdd',
                            text: '新增',
                            tooltip: '新增',
                            iconCls: 'add',
                            handler: showAddPanel
                        }, '-', {
                            text: '修改',
                            tooltip: '修改',
                            iconCls: 'edit',
                            handler: showEditPanel
                        }, '-', {
                            text: '批量删除',
                            tooltip: '删除',
                            iconCls: 'remove',
                            handler: showDelDialog
    }]
                        });
                        this.body = grid;
    
     DepartMentDs.load({ params: { start: 0, limit: 20} });
    response by firefox

    {"GetDepartmentListResult":"{\"TotalCount\":\"136\",\"DepartmentList\":[{\"DeptID\":37,\"DeptName\":

    \"设计院\",\"DeptParent\":36,\"DeptOrder\":null,\"DeptLevel\":null,\"DeptBelong\":null},{\"DeptID\":32,

    \"DeptName\":\"办领导\",\"DeptParent\":31,\"DeptOrder\":null,\"DeptLevel\":null,\"DeptBelong\":null},{\"DeptID

    \":64,\"DeptName\":\"办领导\",\"DeptParent\":50,\"DeptOrder\":null,\"DeptLevel\":null,\"DeptBelong\":null

    },{\"DeptID\":79,\"DeptName\":\"机关党委\",\"DeptParent\":31,\"DeptOrder\":null,\"DeptLevel\":null,\"DeptBelong

    \":null},{\"DeptID\":80,\"DeptName\":\"政秘科\",\"DeptParent\":31,\"DeptOrder\":null,\"DeptLevel\":null

    ,\"DeptBelong\":null},{\"DeptID\":81,\"DeptName\":\"指通科\",\"DeptParent\":31,\"DeptOrder\":null,\"DeptLevel

    \":null,\"DeptBelong\":null},{\"DeptID\":82,\"DeptName\":\"工程科\",\"DeptParent\":31,\"DeptOrder\":null

    ,\"DeptLevel\":null,\"DeptBelong\":null},{\"DeptID\":83,\"DeptName\":\"财务科\",\"DeptParent\":31,\"DeptOrder

    \":null,\"DeptLevel\":null,\"DeptBelong\":null},{\"DeptID\":84,\"DeptName\":\"法制科\",\"DeptParent\":31

    ,\"DeptOrder\":null,\"DeptLevel\":null,\"DeptBelong\":null},{\"DeptID\":85,\"DeptName\":\"指管处\",\"DeptParent

    \":31,\"DeptOrder\":null,\"DeptLevel\":null,\"DeptBelong\":null},{\"DeptID\":86,\"DeptName\":\"平管处\"

    ,\"DeptParent\":31,\"DeptOrder\":null,\"DeptLevel\":null,\"DeptBelong\":null},{\"DeptID\":87,\"DeptName

    \":\"重管处\",\"DeptParent\":31,\"DeptOrder\":null,\"DeptLevel\":null,\"DeptBelong\":null},{\"DeptID\":88

    ,\"DeptName\":\"通信站\",\"DeptParent\":31,\"DeptOrder\":null,\"DeptLevel\":null,\"DeptBelong\":null},{

    \"DeptID\":89,\"DeptName\":\"质监站\",\"DeptParent\":31,\"DeptOrder\":null,\"DeptLevel\":null,\"DeptBelong

    \":null},{\"DeptID\":151,\"DeptName\":\"办领导\",\"DeptParent\":150,\"DeptOrder\":null,\"DeptLevel\":null

    ,\"DeptBelong\":null},{\"DeptID\":152,\"DeptName\":\"定额站\",\"DeptParent\":36,\"DeptOrder\":null,\"DeptLevel

    \":null,\"DeptBelong\":null},{\"DeptID\":153,\"DeptName\":\"审图中心\",\"DeptParent\":36,\"DeptOrder\":null

    ,\"DeptLevel\":null,\"DeptBelong\":null},{\"DeptID\":154,\"DeptName\":\"质检站\",\"DeptParent\":36,\"DeptOrder

    \":null,\"DeptLevel\":null,\"DeptBelong\":null},{\"DeptID\":174,\"DeptName\":\"办领导\",\"DeptParent\":171

    ,\"DeptOrder\":null,\"DeptLevel\":null,\"DeptBelong\":null},{\"DeptID\":176,\"DeptName\":\"所领导\",\"DeptParent

    \":36,\"DeptOrder\":null,\"DeptLevel\":null,\"DeptBelong\":null}]}"}

    grid is empty and firebug show

    "root is undefined" at
    11936" var root = this.getRoot(o), c = root.length, totalRecords = c, success = true;"
    here "o" has values

  2. #2
    Ext User shibubh's Avatar
    Join Date
    Jul 2007
    Location
    Lamahi,Dang Nepal
    Posts
    449
    Vote Rating
    0
    shibubh is on a distinguished road

      0  

    Default


    JSON response is wrong.
    {"GetDepartmentListResult":"{\"TotalCount\":\"136\",\"DepartmentList\":[{\"DeptID\":37,\"DeptName\":

    \"设计院\",\"DeptParent\":36,\"DeptOrder\":null,\"DeptLevel\":null,\"DeptBelong\":null},{\"DeptID\":32,

    \"DeptName\":\"办领导\",\"D
    '\' remove this
    Shibu Bhattarai

    Use JavaScript beautifier to beautify you code http://jsbeautifier.org/

    Code Conventions http://javascript.crockford.com/code.html

    ExtJS Core Manual http://extjs.com/products/extcore/manual/

  3. #3
    Ext User
    Join Date
    Dec 2007
    Posts
    24
    Vote Rating
    0
    netbox is on a distinguished road

      0  

    Default


    Quote Originally Posted by shibubh View Post
    JSON response is wrong.

    '\' remove this


    but json string

    {"GetContactsListResult":"{\"TotalCount\":\"6\",\"ContactsList\":[{\"ContactID\":1,\"ContactType\":\"22

    \",\"ContactName\":\"\",\"ContactClass\":\"111\"},{\"ContactID\":2,\"ContactType\":\"私有\",\"ContactName

    \":\"fsdf\",\"ContactClass\":\"111\"},{\"ContactID\":3,\"ContactType\":\"公有\",\"ContactName\":\"dasd

    \",\"ContactClass\":\"111\"},{\"ContactID\":4,\"ContactType\":\"私有\",\"ContactName\":\"\",\"ContactClass

    \":\"111\"},{\"ContactID\":5,\"ContactType\":\"私有\",\"ContactName\":\"\",\"ContactClass\":\"111\"},{

    \"ContactID\":6,\"ContactType\":\"dfs\",\"ContactName\":\"ff\",\"ContactClass\":\"222\"}]}"}

    work fine at another grid, and total 10 grid only department grid show this error. mycode is generate by codesmith,json string is from WCF,my wcfjsonreader

    Code:
    /**   
    * @class Ext.data.WCFJsonReader  
    * @extends Ext.data.JsonReader 
    * 
    * Custom reader for reading data from WCF.  If you are using WebMessageBodyStyle.Wrapped, then WCF adds a root object to your   
    * JSON result: 
    *    
    * { "MethodResult": { "Count" : 0, "Objects": [ … ] } }   
    *  
    * Ext does not expect the result to have a root object before parsing, so this class will remove it.    
    */
    Ext.data.WCFJsonReader = Ext.extend(Ext.data.JsonReader, {
        /* @cfg {Boolean} Sets whether or not the OperationContract has the is using WebMessageBodyStyle.Wrapped */
        wrapped: true,
        /**  
        * If wrapped is set to true, we will strip WCF’s wrap object    
        */
        read: function(response) {
            var json = response.responseText;
            var o = eval("(" + json + ")");
            if (!o) {
                throw { message: "JsonReader.read: Json object not found" };
            }
            if (this.wrapped) {
                for (var prop in o) {
                    if (typeof (prop) == 'string' && prop.substr(prop.length - 6, prop.length) == 'Result') {
                        o = this.convert(o[prop]);
                        //o = o[prop]; 
                        break;
                    }
                }
            }
            if (o.metaData) {
                delete this.ef;
                this.meta = o.metaData;
                this.recordType = Ext.data.Record.create(o.metaData.fields);
                this.onMetaChange(this.meta, this.recordType, o);
            }
            return Ext.data.WCFJsonReader.superclass.readRecords.call(this, o);
        },
        //private   
        convert: function(o) {
            o = eval("(" + o + ")");
            var newResult = new Object();
            for (var rootProp in o) {
                newResult[rootProp] = o[rootProp];
            }
            return newResult;
        }
    });

  4. #4
    Ext User
    Join Date
    Dec 2007
    Posts
    24
    Vote Rating
    0
    netbox is on a distinguished road

      0  

    Default


    code

    Code:
    DepartMentDs.load({ params: { start: 0, pagesize: 2} });
    json string

    {"GetDepartmentListResult":"{\"TotalCount\":\"136\",\"DepartmentList\":[{\"DeptID\":32,\"DeptName\":

    \"办领导\",\"DeptParent\":31,\"DeptOrder\":null,\"DeptLevel\":null,\"DeptBelong\":null},{\"DeptID\":37,

    \"DeptName\":\"设计院\",\"DeptParent\":36,\"DeptOrder\":null,\"DeptLevel\":null,\"DeptBelong\":null}]}"

    }
    attachments "111.jpg" is firebug print screen
    Attached Images

  5. #5
    Sencha - Ext JS Dev Team Animal's Avatar
    Join Date
    Mar 2007
    Location
    Notts/Redwood City
    Posts
    30,501
    Vote Rating
    47
    Animal has a spectacular aura about Animal has a spectacular aura about

      0  

    Default


    Code:
    root: 'DepartMentList',
    So, does your object have a property called "departMentList"?

  6. #6
    Ext User
    Join Date
    Dec 2007
    Posts
    24
    Vote Rating
    0
    netbox is on a distinguished road

      0  

    Default


    thank you very much:)

Thread Participants: 2

Turkiyenin en sevilen filmlerinin yer aldigi xnxx internet sitemiz olan ve porn sex tarzi bir site olan mobil porno izle sitemiz gercekten dillere destan bir durumda herkesin sevdigi bir site olarak tarihe gececege benziyor. Sitenin en belirgin ozelliklerinden birisi de Turkiyede gercekten kaliteli ve muntazam, duzenli porno izle siteleri olmamasidir. Bu yuzden iste. Ayrica en net goruntu kalitesine sahip adresinde yayinlanmaktadir. Mesela diğer sitelerimizden bahsedecek olursak, en iyi hd porno video arşivine sahip bir siteyiz. "The Best anal porn videos and slut anus, big asses movies set..." hd porno faketaxi