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7.8

flex datagrid and combobox

Asked by COwebmaster in Adobe Flex, ColdFusion Application Server

I have a flex datagrid and some form fields including 2 combo boxes.  Both combo boxes pull in data from my db table.  both are bindable to the datagrid so that when you click on the record in the grid, the item in the combo box is highlighted.  That works great.  However, inside the datagrid, what is being passed back to the grid is the pk id.  It needs to be the other field in the db table.  What would I need to change? 
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flex app:
 
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" creationComplete="init()" xmlns:ns1="*" viewSourceURL="srcview/index.html" height="100%" borderStyle="none" width="100%">
	<mx:RemoteObject id="ro" destination="ColdFusion" showBusyCursor="true" source="Media.components.Crud">
		<mx:method name="getData" result="getDataResult(event)" />
		<mx:method name="getcbData" result="getCBData(event)" />
		<mx:method name="saveNewData" result="getDataResult(event)" />
		<mx:method name="saveOldData" result="getDataResult(event)" />
		<mx:method name="deleteData" result="getDataResult(event)" />
	</mx:RemoteObject>
	<mx:RemoteObject id="agency" destination="ColdFusion" showBusyCursor="true" source="Media.components.VideoProfessor.Agency2">
		<mx:method name="getagencyData" result="getagencyData(event)" />
	</mx:RemoteObject>
	<mx:Script>
		<![CDATA[
			import mx.rpc.events.ResultEvent;
			import mx.collections.ArrayCollection;
			
			[Bindable] private var gridData:ArrayCollection;
			[Bindable] private var cbData:Array;
			[Bindable] private var agencyData:Array;
			
			
			//on initialize, populate grid and combo boxes!
			private function init():void{
				ro.getData();
				ro.getcbData();
				agency.getagencyData();
			}
			
			private var isNew:Boolean = true;
			
			public function getDataResult(e:ResultEvent):void{
				dg.dataProvider = e.result as ArrayCollection;
				makeNew();
				
			}
			
			private function getCBData(e:ResultEvent):void{
				cbData = e.result as Array;
			}
			
			private function getagencyData(e:ResultEvent):void{
				agencyData = e.result as Array;
			}
			
			private function makeNew():void{
				firstNameFld.text = "";
				lastNameFld.text = "";
				officePhoneFld.text = "";
				agencyId.text = "";
				isNew = true;
			}
			private function save():void{
				if(isNew){
					ro.saveNewData(firstNameFld.text,lastNameFld.text,officePhoneFld.text,agencyId.text);
				}else{
					ro.saveOldData(firstNameFld.text,lastNameFld.text,officePhoneFld.text,agencyId.text,dg.selectedItem.id);
				}
			}
			private function deleteData():void{
				if(dg.selectedIndex > -1 )ro.deleteData(dg.selectedItem.id);
			}
		]]>
	</mx:Script>
	
	<mx:Label text="View your data below." width="1148" height="25" color="#FFFFFF" fontSize="12" fontFamily="Verdana" fontWeight="bold" id="toptext"/>
	<mx:Panel width="1148" height="784" layout="absolute">
		<mx:DataGrid dataProvider="{gridData}" x="10" y="10" width="1108" height="316" id="dg" change="isNew = false">
		</mx:DataGrid>
		<mx:Panel x="10" y="409" width="1108" height="286" layout="absolute">
			
			<!-- fill with first names -->
			<mx:FormItem label="First Name" id="firstnameLbl" x="10" y="70" width="266">
				<ns1:comboBox id="firstNameFld" x="106" y="126"  dataProvider="{cbData}" selectedValue="{dg.selectedItem.firstNameFld}"/>
			</mx:FormItem>
			
			<!-- fill with agency names -->
			<mx:FormItem label="agency" id="agencyLbl" x="305" y="70" width="266">
				<ns1:comboBox id="agencyId" x="106" y="126"  dataProvider="{agencyData}" selectedValue="{dg.selectedItem.agencyId}"/>
			</mx:FormItem>
			
			
			<mx:FormItem label="Last Name" id="lastnameLbl" x="11" y="40">
				<mx:TextInput id="lastNameFld" text="{dg.selectedItem.lastNameFld}"/>
			</mx:FormItem>
			<mx:FormItem label="Office Phone" id="officephoneLbl" x="305" y="40" width="266">
				<mx:TextInput id="officePhoneFld" text="{dg.selectedItem.officePhoneFld}" width="176"/>
			</mx:FormItem>
			
			
			
			
			
		</mx:Panel>
		<mx:Button x="10" y="712" label="Save Record" click="save()"/>
		<mx:Button x="1011" y="712" label="Delete Record" click="deleteData()"/>
		<mx:Button x="115" y="712" label="Add New Record" click="makeNew()"/>
		<mx:Label x="105" y="334" text="Click on the record which will populate the fields below. After making your changes, click Save Record." width="1013" height="25" color="#990000" fontSize="11" fontFamily="Verdana" fontWeight="normal" id="midtext"/>
		<mx:Label x="10" y="334" text="Edit A Record:" width="97" height="25" color="#990000" fontSize="11" fontFamily="Verdana" fontWeight="bold" id="midtext0"/>
		<mx:Label x="130" y="355" text="Click Add New Record to clear all fields.  Enter new data, then click Save Record." width="988" height="25" color="#990000" fontSize="11" fontFamily="Verdana" fontWeight="normal" id="midtext1"/>
		<mx:Label x="10" y="355" text="Add New Record:" width="123" height="25" color="#990000" fontSize="11" fontFamily="Verdana" fontWeight="bold" id="midtext2"/>
		<mx:Label x="115" y="376" text="Click on the record above.  Then click Delete Record." width="1003" height="25" color="#990000" fontSize="11" fontFamily="Verdana" fontWeight="normal" id="midtext3"/>
		<mx:Label x="10" y="376" text="Delete Record:" width="112" height="25" color="#990000" fontSize="11" fontFamily="Verdana" fontWeight="bold" id="midtext4"/>
	</mx:Panel>
</mx:Application>
 
 
Crud.cfc:
<cfcomponent output="false">
	
	<!--- get all data; populate in grid --->
	<cffunction name="getData" access="remote" returntype="Query">
		<cfset var local = {} />
		<cfquery name="local.q" datasource="media">
			select		id, firstNameFld, lastNameFld, officePhoneFld, agencyId
			from		employees
		</cfquery>
		<cfreturn local.q/>
	</cffunction>
	
	
	
	
	<!--- get agencies; populate combo box --->
	<cffunction name="getagencyData" access="remote" returntype="array">
		<cfset local = {} />
		
		<cfquery datasource="media" name="local.q">
			select		*
			from		agency
		</cfquery>
		
		<cfset local.result = arrayNew(1) />
		
		<cfloop query="local.q">
			<cfset local.temp = {} />
			<cfset local.temp['data'] = local.q.agencyId />
			<cfset local.temp['label'] = local.q.agency />
			<cfset arrayAppend(local.result,local.temp) />
		</cfloop>
		
		<cfreturn local.result />
	</cffunction>
	
 
 
 
	
	<!--- get First Name; populate combo box --->
	<cffunction name="getcbData" access="remote" returntype="array">
		<cfset local = {} />
		
		<cfquery datasource="media" name="local.q">
			select		firstNameFld
			from		employeesNames
		</cfquery>
		
		<cfset local.result = arrayNew(1) />
		
		<cfloop query="local.q">
			<cfset local.temp = {} />
			<cfset local.temp['data'] = local.q.firstNameFld />
			<cfset local.temp['label'] = local.q.firstNameFld />
			<cfset arrayAppend(local.result,local.temp) />
		</cfloop>
		
		<cfreturn local.result />
	</cffunction>
	
	
	
	
	<!--- save new record --->
	<cffunction name="saveNewData" access="remote" returntype="Query">
		<cfargument name="firstNameFld" type="string" required="true"/>
		<cfargument name="lastNameFld" type="string" required="true"/>
		<cfargument name="officePhoneFld" type="string" required="true"/>
		<cfargument name="agencyId" type="string" required="true"/>
		
		<cfquery datasource="media">
			insert		
			into		employees
						( firstNameFld, lastNameFld, officePhoneFld, agencyId)
			values		( <cfqueryparam cfsqltype="cf_sql_varchar" value="#arguments.firstNameFld#"/>,
						  <cfqueryparam cfsqltype="cf_sql_varchar" value="#arguments.lastNameFld#"/>,
						  <cfqueryparam cfsqltype="cf_sql_varchar" value="#arguments.officePhoneFld#"/>,
						  <cfqueryparam cfsqltype="cf_sql_varchar" value="#arguments.agencyId#"/> )
		</cfquery>
		<cfreturn getData() />
	</cffunction>
	
	
	
	
	<!--- save existing record --->
	<cffunction name="saveOldData" access="remote" returntype="Query">
		<cfargument name="firstNameFld" type="string" required="true"/>
		<cfargument name="lastNameFld" type="string" required="true"/>
		<cfargument name="officePhoneFld" type="string" required="true"/>
		<cfargument name="agencyId" type="string" required="true"/>
		<cfargument name="id" type="Numeric" required="true" />
		
		<cfquery datasource="media">
			update		employees		
			set			firstNameFld = <cfqueryparam cfsqltype="cf_sql_varchar" value="#arguments.firstNameFld#" />,
						lastNameFld = <cfqueryparam cfsqltype="cf_sql_varchar" value="#arguments.lastNameFld#" />,
						officePhoneFld = <cfqueryparam cfsqltype="cf_sql_varchar" value="#arguments.officePhoneFld#" />,
						agencyId = <cfqueryparam cfsqltype="cf_sql_varchar" value="#arguments.agencyId#" />
			where		id = <cfqueryparam cfsqltype="cf_sql_integer" value="#arguments.id#" />
		</cfquery>
		<cfreturn getData() />
	</cffunction>
	
	
	
	<!--- delete record --->
	<cffunction name="deleteData" access="remote" returntype="Query">
		<cfargument name="id" type="string" required="true">
		
		<cfquery datasource="media">
			delete
			from		employees
			where		id = <cfqueryparam cfsqltype="cf_sql_integer" value="#arguments.id#" />
		</cfquery>
		<cfreturn getData() />
	</cffunction>
		
</cfcomponent>
 
 
 
Agency2.cfc:
<cfcomponent output="false">
	
	<!--- get agencies; populate combo box --->
	<cffunction name="getAgencyData" access="remote" returntype="array">
		<cfset local = {} />
		
		<cfquery datasource="media" name="local.q">
			select		*
			from		agency
		</cfquery>
		
		<cfset local.result = arrayNew(1) />
		
		<cfloop query="local.q">
			<cfset local.temp = {} />
			<cfset local.temp['data'] = local.q.agencyId />
			<cfset local.temp['label'] = local.q.agencyId />
			<cfset arrayAppend(local.result,local.temp) />
		</cfloop>
		
		<cfreturn local.result />
	</cffunction>
	
</cfcomponent>
[+][-]04/10/09 08:21 AM, ID: 24116241Accepted Solution

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Zones: Adobe Flex, ColdFusion Application Server
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Solution Provided By: zzynx
Participating Experts: 1
Solution Grade: A
 
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