Add button is not visible on No Data Available

[dharmendrap7]

In Html:------- <angular4-multiselect [data]="dropdownList" [(ngModel)]="selectedItems" [settings]="dropdownSettings" (onSelect)="onItemSelect($event)" (onDeSelect)="OnItemDeSelect($event)" (onSelectAll)="onSelectAll($event)" (onDeSelectAll)="onDeSelectAll($event)" (onAddFilterNewItem)="onAddItem($event)"> In .ts file----- this.dropdownSettings = { singleSelection: false, text:"Select Countries", selectAllText:'Select All', unSelectAllText:'UnSelect All', enableSearchFilter: true, addNewItemOnFilter: true
}; onAddItem(data:string){ console.log(data);
}