Now, you can provide a dataprovider for combobox (using an arraycollection is better than hardcoding the data). Use filter function to remove duplicates as described in the link: http://blog.flexexamples.com/2007/08/05/removing-duplicate-items-from-an-array-using-the-arrayfilter-method/
Here is the code (visit the website link above to see a working example) <!-- Start Code --> <?xml version="1.0" encoding="utf-8"?> <!-- http://blog.flexexamples.com/2007/08/05/removing-duplicate-items-from-an-array-using-the-arrayfilter-method/ --> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"; layout="vertical" verticalAlign="middle" backgroundColor="white" creationComplete="init()"> <mx:Script> <![CDATA[ private var keys:Object = {}; /** * Called by the Application container's creationComplete * event handler. This method creates a new Array object * which will be used as a data provider as well as a * filtered view of that array which does not contain * duplicated items. */ private function init():void { /* Create a dummy data source with some semi-random data. */ var arr:Array = []; arr.push({data:1, label:"one"}); arr.push({data:1, label:"one"}); arr.push({data:1, label:"one"}); arr.push({data:1, label:"one"}); arr.push({data:2, label:"two"}); arr.push({data:2, label:"two"}); arr.push({data:2, label:"two"}); arr.push({data:1, label:"one"}); arr.push({data:3, label:"three"}); arr.push({data:3, label:"three"}); /* Filter the original array and call the removeDuplicates() function on each item in the array. */ var filteredArr:Array = arr.filter(removedDuplicates); arrColl.source = arr; dedupedArrColl.source = filteredArr; } /** * This method is used to filter an array so that no * duplicate items are created. It works by first * checking to see if a keys object already contains * a key equal to the current value of the item.data * value. If the key already exists, the current item * will not be readded to the data provider. If the key * does not already exist, add the key to the keys * object and add this item to the data provider. */ private function removedDuplicates(item:Object, idx:uint, arr:Array):Boolean { if (keys.hasOwnProperty(item.data)) { /* If the keys Object already has this property, return false and discard this item. */ return false; } else { /* Else the keys Object does *NOT* already have this key, so add this item to the new data provider. */ keys[item.data] = item; return true; } } ]]> </mx:Script> <mx:ArrayCollection id="arrColl" /> <mx:ArrayCollection id="dedupedArrColl" /> <mx:HBox> <mx:VBox> <mx:Label text="Original ({arrColl.length} items):" /> <mx:List dataProvider="{arrColl}" /> </mx:VBox> <mx:VBox> <mx:Label text="Filtered ({dedupedArrColl.length} items):" /> <mx:List dataProvider="{dedupedArrColl}" /> </mx:VBox> </mx:HBox> </mx:Application> <!-- End Code --> On Dec 30 2009, 10:46 am, Kiran Kumar Vasireddy <[email protected]> wrote: > Thanks Safi for your response . If I do this I get duplicate elements in > Mycombox , I want to avoid them. > > Regards > Kiran > > > > On Sun, Dec 27, 2009 at 10:50 PM, saanaa safi <[email protected]> wrote: > > hi kiran, > > i hope below example will help u. try this,i think this is what u r > > expecting. > > > <?xml version="1.0" encoding="utf-8"?> > > <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"; > > layout="absolute"> > > <mx:ArrayCollection id="myColl"> > > > <mx:Object Company="GM" count="85" Model ="Saab" ModelCount="20" > > Year="2009" YearCount="10" /> > > <mx:Object Company="GM" count="85" Model ="Saab" ModelCount="20" > > Year="2008" YearCount="5" /> > > <mx:Object Company="GM" count="85" Model ="Saab" ModelCount="20" > > Year="2007" YearCount="5" /> > > <mx:Object Company="GM" count="85" Model ="Chevi" > > ModelCount="20" Year="2009" YearCount="20" /> > > > <mx:Object Company="FORD" count="43" Model ="Focus" > > ModelCount="20" Year="2009" YearCount="5" /> > > <mx:Object Company="FORD" count="43" Model ="Focus" > > ModelCount="20" Year="2008" YearCount="3" /> > > <mx:Object Company="FORD" count="43" Model ="Focs" > > ModelCount="20" Year="2007" YearCount="2" /> > > > </mx:ArrayCollection> > > <mx:ComboBox prompt="Company" dataProvider="{myColl}" > > labelField="Company" x="44" y="21" width="100"/> > > <mx:ComboBox prompt="Model" dataProvider="{myColl}" labelField="Model" > > x="153" y="21" width="100"/> > > <mx:ComboBox prompt="Year" dataProvider="{myColl}" labelField="Year" > > x="275" y="21" width="100"/> > > > </mx:Application> > > > On Sat, Dec 26, 2009 at 4:00 PM, Kiran Kumar Vasireddy < > > [email protected]> wrote: > > >> Dear All, > > >> I am getting the data in following format . Is there any way to load it > >> into comboxbox avoiding duplicates? First combobox I want to just load > >> Company Name removing duplicates.Second combox box based on the section I > >> have to load Models and In the Thrid combox box based on company and Model > >> I have to load Years.Or if not Arraycollection , I can also get the data in > >> XMLCollection . Could some body please give me best solution? > > >> <ArrayCollection> > > >> <mx:Object Company="GM" count="85" Model ='Saab" ModelCount=20 > >> Year="2009" YearCount="10" /> > >> <mx:Object Company="GM" count="85" Model ='Saab" ModelCount=20 > >> Year="2008" YearCount="5" /> > >> <mx:Object Company="GM" count="85" Model ='Saab" ModelCount=20 > >> Year="2007" YearCount="5" /> > >> <mx:Object Company="GM" count="85" Model ='Chevi" > >> ModelCount=20 Year="2009" YearCount="20" /> > > >> <mx:Object Company="FORD" count="43" Model ='Focus" > >> ModelCount=10 Year="2009" YearCount="5" /> > >> <mx:Object Company="FORD" count="43" Model ='Focus" > >> ModelCount=10 Year="2008" YearCount="3" /> > >> <mx:Object Company="FORD" count="43" Model ='Focs" > >> ModelCount=10 Year="2007" YearCount="2" /> > > >> </ArrayCollection> > > >> -- > >> You received this message because you are subscribed to the Google Groups > >> "Flex India Community" group. > >> To post to this group, send email to [email protected]. > >> To unsubscribe from this group, send email to > >> [email protected]<flex_india%2bunsubscr...@googlegrou > >> ps.com> > >> . > >> For more options, visit this group at > >>http://groups.google.com/group/flex_india?hl=en. > > > -- > > Warm Regards > > Saanaa.... > > > -- > > You received this message because you are subscribed to the Google Groups > > "Flex India Community" group. > > To post to this group, send email to [email protected]. > > To unsubscribe from this group, send email to > > [email protected]<flex_india%2bunsubscr...@googlegrou > > ps.com> > > . > > For more options, visit this group at > >http://groups.google.com/group/flex_india?hl=en. -- You received this message because you are subscribed to the Google Groups "Flex India Community" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/flex_india?hl=en.
