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Thread: GridPanel limit results

  1. #1

    Default GridPanel limit results

    Hi !

    I just can't figure out what's wrong. I just can't make my data store returns just the number of row that I need... I tried a few options, but none of them works, it always gives me the full resultset.

    Do I have to do something on server-side (in my WCF service) ?

    Ext.onReady(function() {
        var personne =[
            { name: 'nom' },
            { name: 'prenom' }
        var myReader = new{
            totalProperty: "total",
            root: "list"
        }, personne
        var myProxy = new{
            url: 'http://localhost:1041/Person.svc/Get',
            method: 'POST'
            //params: {}
        var store = new
                proxy: myProxy,
                reader: myReader
        var pagingToolbar = {
            xtype: 'paging',
            store: store,
            pageSize: 5,
            displayInfo: true
        var gr = new Ext.grid.GridPanel({
            el: 'grid', //div dans la quelle le GridPanel sera dessin
            viewConfig: { //Fait en sorte que la somme des largeurs de colonnes soit gale  la taille de la grille
                forceFit: true
            ds: store, // la source de donnes
            bbar: pagingToolbar,
            cm: new Ext.grid.ColumnModel([ //Dfinit les colonnes du tableau et le mapping avec les champ du Record
                {header: "Nom", width: 120, sortable: true, dataIndex: 'nom' },
                { header: "Prenom", width: 100, sortable: true, dataIndex: 'prenom' }
            sm: new Ext.grid.RowSelectionModel({ singleSelect: true }), // Politique de slction de ligne (Slection simple)
            width: 600, //largeur de la grille
            height: 300, //hauteur de la grille
            frame: true, //dessine la grille avec un contour arrondit
            title: 'Grid Panel Example' //titre de la grille
            //Afficher la grille
            //Charger les donnes
    //        store.load({ // 2
    //            params: {
    //                start: 0,
    //                limit: 5
    //            }
    //        });

  2. #2
    Sencha User Condor's Avatar
    Join Date
    Mar 2007
    The Netherlands


    You are using remote paging, so Ext expects the server to return the correct records for the specified 'start' and 'limit' parameters.

    ps. If you want local paging then you should use the PagingStore user extension.

  3. #3


    Ok, thanks ! Now I just have to understand how to pass parameters to a .NET WCF service... Tried everything, but nothing seems to work. Not even if I just try the start and limit parameters...

    Thanks a lot !

  4. #4


    Add this to your store definition?

      baseParams: {
        'start': '',
        'limit': '5'

  5. #5
    Sencha User Condor's Avatar
    Join Date
    Mar 2007
    The Netherlands


    No, that is wrong.

    start and limit (and sort and dir) shouldn't be in baseParams. For paging, any other param should indeed go into baseParams.

    For start and limit you should use:
    autoLoad: {params: {start: 0, limit: 5}}
    or simply
    store.load({params: {start: 0, limit: 5}});

  6. #6


    @Condor: What makes it wrong? store.load(); seems quicker to write, read, and maintain than store.load({params: {start: 0, limit: 5}}); I'm not trying to pick, I am concerned that my projects are going to fall victim to something I didn't consider before (that my baseParams aren't working properly).

  7. #7
    Sencha Premium Member steffenk's Avatar
    Join Date
    Jul 2007
    Haan, Germany


    i don't get it too. You even can override baseParams with params in load call if you want. At the end it's merged
    Ext.applyIf(options.params, this.baseParams);
    vg Steffen
    Release Manager of TYPO3 4.5

  8. #8
    Sencha User Condor's Avatar
    Join Date
    Mar 2007
    The Netherlands


    Yes, it works, but IMHO 'dynamic' parameters like 'start', 'limit', 'sort' and 'dir' don't belong in the 'static' baseParams.

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