listeners:{expand:initComboBox} function initComboBox() { if (!this.initialized) { this.initialized = true; var TYPE = Ext.data.Record.create([{name:this.valueField}, {name:this.displayField}]); var r = eval('new TYPE({' + this.valueField + ':"",' + this.displayField + ':"---"});'); this.store.insert(0, r); } }
ext combox添加空值项
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转载自snowelf.iteye.com/blog/2066674
周排行