Ext Grid uses combo, does not display display displays value problem

{                text: "Attachment type", width:150, Dataindex: ' Uploadtype ', sortable:true, align: ' left ',                Editor: {                    Allowblank:fal SE,                    xtype: ' Constantsdictionarycombo ',                    emptytext: ' Please select attachment type ',                    data:customer_attach_file_array                },                renderer:function (value,p,r) {                    var store = this.columnManager.getHeaderByDataIndex (' Uploadtype '). Geteditor (). Store;                    var record = Store.getbyid (value); Gets the record from the dictionary                    if (record = = null) {                        return value;                    }                    return record.data.text;                }            }

Ext Grid uses combo, does not display display displays value problem