Disable Button in Angular 2

javascript angular button input components

Change ng-disabled="!contractTypeValid" to [disabled]="!contractTypeValid"

javascript angular button input components

I tried use [disabled]="!editmode" but it not work in my case.

This is my solution [disabled]="!editmode ? 'disabled': null" , I share for whom concern.

<button [disabled]="!editmode ? 'disabled': null"     (click)='loadChart()'>            <div class="btn-primary">Load Chart</div>    </button>

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