How to Use flex4 to obtain the field value in the datagrid

The problem solved: After the data in the datagrid is sorted, the data will be chaotic:

1. After the data in the datagrid is sorted, the data will be disordered.

The following is the correct method:

Var path1: String = this. originalPicList. selectedItem. picUrlImage;

The following is an incorrect method:

Var k: int = this. originalPicList. selectedIndex;

// Obtain data in the dataGrid
Var arr: Array = (originalPicList. dataProvider as ArrayCollection). source;
// Obtain the data of the dictType column of the currently selected row
Var path: String = arr [k] ["picUrlImage"]. toString ();