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POFlex Nested data grid
 

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  1. POFlex Nested data grid
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    <p>I am creating nested data grid using flex, I have different columns for each level(refer screenshot). But its rendering new data grid for each column. </p> <p>Here is my mxml</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"&gt; &lt;fx:Declarations&gt; &lt;!-- Place non-visual elements (e.g., services, value objects) here --&gt; &lt;/fx:Declarations&gt; &lt;fx:Script&gt; &lt;![CDATA[ import mx.collections.ArrayCollection; [Bindable] private var dpHierarchy:ArrayCollection = new ArrayCollection([ {Country:"INDIA", Category:"Developing Country" ,Population:100000000, children: [ {State:"Andhra", Language:"Telugu", SoilColor:"Red", children:[ {District:"GUNTUR", HeadQuaters:388865, Crops:"Tobacco"}, {District:"Vijayawada", HeadQuaters:388865, Crops:"rice"} ] }, {State:"Karnataka", Language:"Kannada", SoilColor:"Black", children:[ {District:"Mysore", HeadQuaters:388865, Crops:"Mirchi"}, {District:"Mandya", HeadQuaters:388865, Crops:"Vegetables"} ] } ] }, {Country:"KOREA", Category:"UnDeveloping Country", Population:100000000, children:[ {State:"fgff", Language:"fggff", SoilColor:"Red", children: [ {District:"fgdfgfg", HeadQuaters:388865, Crops:"Tobacco"}, {District:"gfgdfgfg", HeadQuaters:388865, Crops:"rice"} ] }, {State:"fgfgdfg", Language:"gdfgdfg", SoilColor:"Black", children:[ {District:"ggff", HeadQuaters:388865, Crops:"Mirchi"}, {District:"gfgfgfg", HeadQuaters:388865, Crops:"Vegetables"} ] } ] } ]); ]]&gt; &lt;/fx:Script&gt; &lt;mx:AdvancedDataGrid width="100%" height="100%" variableRowHeight="true"&gt; &lt;mx:dataProvider&gt; &lt;mx:HierarchicalData source="{dpHierarchy}"/&gt; &lt;/mx:dataProvider&gt; &lt;mx:columns&gt; &lt;mx:AdvancedDataGridColumn dataField="Country" headerText="Country"/&gt; &lt;mx:AdvancedDataGridColumn dataField="Category" headerText="Category"/&gt; &lt;mx:AdvancedDataGridColumn dataField="Population" headerText="Population"/&gt; &lt;mx:AdvancedDataGridColumn dataField="children" headerText="children"/&gt; &lt;/mx:columns&gt; &lt;mx:rendererProviders&gt; &lt;mx:AdvancedDataGridRendererProvider columnIndex="1" columnSpan="4" depth="2" renderer="InnerGrid"/&gt; &lt;mx:AdvancedDataGridRendererProvider columnIndex="2" columnSpan="3" depth="3" renderer="InnerChildGrid"/&gt; &lt;/mx:rendererProviders&gt; &lt;/mx:AdvancedDataGrid&gt; &lt;/s:Application&gt; </code></pre> <p>Here is my custom renderer [InnerGrid.mxml]</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;mx:AdvancedDataGrid xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" width="400" height="300"&gt; &lt;fx:Declarations&gt; &lt;!-- Place non-visual elements (e.g., services, value objects) here --&gt; &lt;/fx:Declarations&gt; &lt;fx:Script&gt; &lt;![CDATA[ override public function set data(value:Object):void { this.dataProvider = value; } ]]&gt; &lt;/fx:Script&gt; &lt;mx:columns&gt; &lt;mx:AdvancedDataGridColumn dataField="State" headerText="State"/&gt; &lt;mx:AdvancedDataGridColumn dataField="Language" headerText="Language"/&gt; &lt;mx:AdvancedDataGridColumn dataField="SoilColor" headerText="SoilColor"/&gt; &lt;/mx:columns&gt; &lt;/mx:AdvancedDataGrid&gt; </code></pre> <p>Here is my custom renderer [InnerChildGrid.mxml]</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;mx:AdvancedDataGrid xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" width="400" height="300"&gt; &lt;fx:Declarations&gt; &lt;!-- Place non-visual elements (e.g., services, value objects) here --&gt; &lt;/fx:Declarations&gt; &lt;fx:Script&gt; &lt;![CDATA[ override public function set data(ivalue:Object):void { this.dataProvider = ivalue.Districts; } ]]&gt; &lt;/fx:Script&gt; &lt;mx:columns&gt; &lt;mx:AdvancedDataGridColumn dataField="District"/&gt; &lt;mx:AdvancedDataGridColumn dataField="HeadQuaters"/&gt; &lt;mx:AdvancedDataGridColumn dataField="Crops"/&gt; &lt;/mx:columns&gt; &lt;/mx:AdvancedDataGrid&gt; </code></pre> <p><img src="https://i.stack.imgur.com/or3hG.png" alt="Showing States in different datagrids"></p>
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