Merge pull request #3222 from IgniteUI/bpachilova/fix-3221

Tree Grid Row Reordering sample: remove childDataKey input

Author: teodosiah

src/app/tree-grid/tree-grid-row-reorder/tree-grid-row-reorder.component.html

@@ -1,5 +1,5 @@
 <div class="grid_wrapper">
-    <igx-tree-grid [igxPreventDocumentScroll]="true"  #treeGrid igxDrop [moving]="true" [data]="localData" childDataKey="Employees" height="530px"
+    <igx-tree-grid [igxPreventDocumentScroll]="true"  #treeGrid igxDrop [moving]="true" [data]="localData" height="530px"
         [autoGenerate]="false" [rowDraggable]="true" foreignKey="ParentID" [rowSelection]="selectionMode"
         [primaryKey]="'ID'" (rowDragStart)="rowDragStart($event)" (dropped)="dropInGrid($event)">
         <igx-paginator></igx-paginator>

src/app/tree-grid/tree-grid-row-reorder/tree-grid-row-reorder.component.scss

@@ -1,4 +1,4 @@
 .grid_wrapper{
     max-width: 0 16px;
     padding: 10px;
-}
+}