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POExt JS Combobox inside a grid
 

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    <p>In reference with <a href="http://www.walkingtree.in/forums/showthread.php?439-Combobox-inside-a-grid-setting-default-value" rel="nofollow">Combobox inside a grid</a> example. I was able to do this in my page. problem is, when i change the value in one of the combobox, the rest of the combobox in the same row also change, they all have the same value. </p> <p>I'm using only a javascript and basic html and ext js with this. I'm using ext sandbox (ext4). </p> <p>any help?</p> <pre><code>if(columnData != undefined){ for (var i = 0; i &lt; columnData.length; i++) { var storedata = []; for(var gr = 0;gr &lt; gridData.itemData[0][0].length;gr++){ storedata.push([(gr + 1),gridData.itemData[0][0][gr]]); } var comboRenderer = function(combo) { return function(value) { alert(value); alert(combo.valueField); var idx = combo.store.find(combo.valueField, value); if ( idx &lt; 0 ) { idx = 0; } var rec = combo.store.getAt(idx); return rec.get(combo.displayField); }; }; fields.push({name:columnData[i].name}); columns.push({text:columnData[i].name, width: 140, menuDisabled: true, sortable: false, align: 'center', forcefit: true, columns: [{ text: 0, draggable: false, hideable: false, flex: 1, width: 140, dataIndex: columnData[i].name, menuDisabled: true, sortable: false, align: 'center', editable: true, renderer: comboRenderer(new Ext4.form.ComboBox({ id: i.toString(), typeAhead: true, triggerAction: 'query', mode: 'queryMode', autoSelect : false, autoShow : true, emptyText : 'Select item', store: new Ext4.data.ArrayStore({ fields: ['id' + i, 'description' + i], data : storedata }), displayField:'description' + i, valueField: 'id' + i, forceSelection: false })), editor: new Ext4.form.ComboBox({ id: i.toString(), typeAhead: true, triggerAction: 'query', mode: 'queryMode', autoSelect : false, autoShow : true, emptyText : 'Select item', store: new Ext4.data.ArrayStore({ fields: ['id' + i, 'description' + i], data : storedata }), displayField:'description' + i, valueField: 'id' + i, forceSelection: false }) }] }); } } </code></pre>
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