<ion-grid>
    <!-- Assuming dynamicElements is an Array holding your items -->
    <ion-row *ngFor="let element of dynamicElements">
        <ion-col>
            {{element.name}}
        </ion-col>
        <!-- Your other columns go here -->
        <ion-col>
            <button ion-button>Button text</button>
        </ion-col>
    </ion-row>
</ion-grid>

rowHeight = gridHeight / dynamicElements.length