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Separate column for the navigation tree in AdvancedDataGrid

In this example display a hierarchical data in AdvancedDataGrid but the navigation tree has a separate column.

Separate column for the navigation tree in AdvancedDataGrid :

In this example display a hierarchical data in AdvancedDataGrid but the navigation tree has a separate column. You can set the folderClosedIcon, folderOpenIcon, defaultLeafIcon property as a null and provide a AdvancedDataGridColumn for this tree.The open and close icon will be displayed in this column and the label will not be displayed in this column.


<?xml version="1.0" encoding="utf-8"?>

<s:Application xmlns:fx=""



minWidth="955" minHeight="600">



import mx.collections.ArrayCollection;


private var student:ArrayCollection = new ArrayCollection([

{Course:"Course", categories: [

{Course:"B.Sc.", categories:[

{Branch:"Physics", Girls:60, Boys:120, TotalStudent:180, PASSinper:98.0, FAILinper:2.0},

{Branch:"Chemistry", Girls:100, Boys:50, TotalStudent:150, PASSinper:97.0, FAILinper:3.0},

{Branch:"Mathematics", Girls:50, Boys:150, TotalStudent:200, PASSinper:98.5, FAILinper:1.5}]},

{Course:"", categories:[

{Branch:"CS", Girls: 45, Boys:75, TotalStudent:120, PASSinper:99.0, FAILinper:1.0},

{Branch:"IT", Girls: 55, Boys:65, TotalStudent:120, PASSinper:99.5, FAILinper:0.5},

{Branch:"EC", Girls: 25, Boys:95, TotalStudent:120, PASSinper:96.7, FAILinper:3.3},

{Branch:"EI", Girls: 40, Boys:80, TotalStudent:120, PASSinper:95, FAILinper:5},

{Branch:"Mechanical", Girls:10, Boys: 80, TotalStudent:90, PASSinper:97.5, FAILinper:2.5},

{Branch:"Civil", Girls: 15, Boys:45, TotalStudent:60, PASSinper:92, FAILinper:8}]},

{Course:"B.Pharma.", categories:[

{Branch:"Pharmacy", Girls:70, Boys:130, TotalStudent:200, PASSinper:99.8, FAILinper:0.2}]},

{Course:"M.B.A.", categories:[

{Branch:'HR', Girls:48, Boys:72, TotalStudent:120, PASSinper:100, FAILinper:0},

{Branch:'Finance', Girls:40, Boys:80, TotalStudent:120, PASSinper:85, FAILinper:15},

{Branch:'Marketing', Girls:20, Boys:100, TotalStudent:120, PASSinper:99, FAILinper:1},

{Branch:'IT & HR', Girls:30, Boys:90, TotalStudent:120, PASSinper:100, FAILinper:0}]},

{Course:"M.C.A.", categories:[

{Branch:"Computer Science", Girls:30, Boys:90, TotalStudent: 120, PASSinper:99.1,






<s:Panel title="Separate Column for the navigation tree in AdvancedDataGrid" height="419"





x="13" y="13"






<mx:HierarchicalData source="{student}" childrenField="categories"/>



<mx:AdvancedDataGridColumn headerText="" width="60"/>

<mx:AdvancedDataGridColumn dataField="Course"/>

<mx:AdvancedDataGridColumn dataField="Branch" headerText="Branch"/>

<mx:AdvancedDataGridColumn dataField="Girls"/>

<mx:AdvancedDataGridColumn dataField="Boys"/>

<mx:AdvancedDataGridColumn dataField="TotalStudent"/>

<mx:AdvancedDataGridColumn dataField="PASSinper"/>

<mx:AdvancedDataGridColumn dataField="FAILinper"/>






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