Thanks every one for their valuable suggestions and instructions , I am working on this right now and I will let you guys know the result.
Regards Kiran On Fri, Jan 22, 2010 at 7:02 AM, Varun Bajaj <[email protected]> wrote: > I think if you use xmllist for dataprovider for your comboboxes then you > can easily have chain effect as you said. > > Hope this code snippet may help you. > (replace the values according your requirements) > > var dp1:xmllist = new xmllist(dp0.data.(@field == val)); > dp1.refresh(); > > Varun Bajaj > > > On Fri, Jan 22, 2010 at 3:08 PM, Jitendra Jain < > [email protected]> wrote: > >> Read about filter function it will be quite helpful. >> >> >> On Fri, Jan 22, 2010 at 4:39 AM, Aviral Sharma >> <[email protected]>wrote: >> >>> 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%[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%[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]<flex_india%[email protected]> >>> . >>> 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]<flex_india%[email protected]> >> . >> 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]<flex_india%[email protected]> > . > 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. 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