JAVASCRIPT

how to do if condition in kedo column in angular

 <kendo-grid [data]="gridData">
            <kendo-grid-column field="ProductName">
                <ng-template kendoGridCellTemplate let-dataItem let-rowIndex="rowIndex">
                    <strong>{{dataItem.ProductName}}</strong>
                      <img *ngIf='dataItem.Discontinued' src='' alt='Item Discontinued'/>
                      <img *ngIf='!dataItem.Discontinued' src='' alt='Item Continued'/>
                </ng-template>
            </kendo-grid-column>
        </kendo-grid>