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Here is the simple Flex ArrayCollection FilterFunction example to ignore blank records (name) form arrayCollection. var ac=new ArrayCollection(); ac.addItem({name:'abc'}); ac.addItem({name:'xyz'}); ac.addItem({name:''}); ac.addItem({name:'dac'}); // use of fillter function ac.filterFunction = function(item:*):Boolean{ return (StringUtill.trim(item.name)!=""); // } ac.refresh(); Now filtered ArrayCollection object use further code.

Creating Dynamic Array Collection Using Flex. var ob:Object; var n:String = "Name"; var a:String = "Address"; var ar:ArrayCollection = ""; ob = new Object(); ob[n] = "Ar"; ob[a] = "xyz, UK"; ar = new ArrayCollection(); ar.addItem(ob); ArrayCollection filterfunction