<ng-container *ngFor="let parentItem of parentItems">
<tr parent-item-row [ParentItem]="parentItem">
<tr child-item-row *ngFor="let childItem of parentItem.ChildItems" [ChildItem]="childItem">
</ng-container>
<ng-container *ngFor="let parentItem of parentItems">
<tr parent-item-row [ParentItem]="parentItem">
<ng-container *ngFor="let childItem of parentItem.ChildItems">
<tr child-item-row [ChildItem]="childItem">
</ng-container>
</ng-container>
<ng-container *ngFor="let parentItem of parentItems">
<tr parent-item-row [ParentItem]="parentItem">
<ng-container *ngFor="let childItem of parentItem.ChildItems">
<tr>
<td>Test</td>
</tr>
</ng-container>
</ng-container>
<ng-container *ngFor="let parentItem of parentItems">
<tr parent-item-row [ParentItem]="parentItem">
<tr>
<td>Empty Row</td>
</tr>
<ng-container *ngFor="let childItem of parentItem.ChildItems">
<tr>
<td>Test</td>
</tr>
</ng-container>
</ng-container>