1. #1
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    Default Unanswered: How can I display combobox text after form load?

    Unanswered: How can I display combobox text after form load?


    I can post the value of remote combobox with hiddenName. I couldn't accomplish showing the text of combobox after form load. This is a remote combo. So the store is not loaded after form load. So the combo only shows the value field...

    config for combobox
    Code:
    Ext.ns('portal', 'portal.common');
    
    portal.common.store_combo_company = new Ext.data.JsonStore({
        root: 'data',
        url: '../common/presentation/commondata.aspx',
        baseParams: {
            cmd: 'combo_company'
        },
        fields: [{
            name: 'ParamID',
            type: 'int'
        },
        {
            name: 'ParamDescription',
            type: 'string'
    }]
        });
    
        portal.common.ComboCompany = Ext.extend(Ext.form.ComboBox, {
            constructor: function(config) {
                config = Ext.apply({
                    store: portal.common.store_combo_company,
                    valueField: 'ParamID',
                    displayField: 'ParamDescription',
                    fieldLabel: 'Firma',
                    mode: 'remote',
                    typeAhead: false,
                    triggerAction: 'query',
                    minChars: 2
                }, config);
    
                portal.common.ComboCompany.superclass.constructor.call(this, config);
            }
        });
    
        Ext.reg('combocompany', portal.common.ComboCompany);
    apart from form's config
    Code:
    {
                id: 'form_contract',
                url: 'prcdata.aspx',
                xtype: 'form',
                baseCls: 'x-plain',
                labelWidth: 120,
                bodyStyle: 'padding:10px',
                defaults: { anchor: '100%', xtype: 'textfield' },
                items: [{
                    fieldLabel: 'contractId',
                    name: 'contractId',
                    xtype: 'hidden'
                }, {
                    id: 'prc_firma',
                    xtype: 'combocompany',
                    emptyText: 'Seçiniz',
                    hiddenName: 'Firma'
                }]
    }

  2. #2
    Sencha - Senior Forum Manager mitchellsimoens's Avatar
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    Default


    If the store hasn't finished loading when you set a value to the combo then you will need to reset the value once the store has finished loading.
    Mitchell Simoens @SenchaMitch
    Sencha Inc, Senior Forum Manager
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  3. #3
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    Default


    the combo retrieves 5000 rows. so i don't want to load these rows in form load... what i wanted to make is displaying combo value and text without loading combo store...

  4. #4
    Ext JS Premium Member
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    fschaeffer will become famous soon enough

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    Default


    You could use setRawValue to simply display the value you want.

    I usally use a combination of setValue & setRawValue. So the combobox IS aware of the to-be-used-value and correctly transmits the value but without loading the store...

    HTH
    Florian

  5. #5
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    Default


    thank you @fschaeffer,

    setRawValue worked very well.

    But it is extra code to implement this common requirement.. I think this must be functionality of combo component. An additional config item like loadValue which will bind the action.result.data.<data_item> to combobox RawValue could be easily implemented.. so we didn't have to write extra code..

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