title: how to disable a button which is present in a dyanamic list when clicked in ionic 2
body: <pre><code> &lt;ion-card *ngFor="let product of products" no-padding&gt;
     &lt;ion-item&gt;
        &lt;ion-select [(ngModel)]="qty" *ngIf="product.type==variable" [disabled]="false"&gt;
          &lt;ion-option value="1"&gt;1kg&lt;/ion-option&gt;
          &lt;ion-option value="250"&gt;250gm&lt;/ion-option&gt;
          &lt;ion-option value="500"&gt;500gm&lt;/ion-option&gt;
          &lt;ion-option value="100"&gt;100gm&lt;/ion-option&gt;
        &lt;/ion-select&gt;
      &lt;/ion-item&gt;
      &lt;button [disabled]=disable color="light" class="addbtn" ion-button clear (click)="addlist(product.name,product.id,product.price*product.quantity,product.quantity,product.images[0].src)"&gt;ADD&lt;/button&gt;
   &lt;/ion-card&gt;
  </code></pre>
  
  <p>this is my ts</p>
  
  <pre><code>var disable=false;
  addlist(name, id, price, qty, image) {
    //it is disabling each button present in the list 
    this.disable=true;
  }
  </code></pre>