Cannot read property 'defCols' of null

leochinacn · 发表于 2015-10-27 17:11:27

Cannot read property 'defCols' of null;
代码示例是这样,但出现上面的错误。属性是空。。。
var data = this.comp('fruitData');
var IDColDef = data.defCols[data.idColumn];//获取ID列的定义
alert(data.idColumn+' label:'+IDColDef.label+',name:'+IDColDef.name+',type:'+IDColDef.type);

woodge · 发表于 2015-10-28 08:41:45

debugger看下，data是否为空?

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[结贴] Cannot read property 'defCols' of null

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