[autofocus]="true" not working in bootstrap modal

[Chiragsorathiya]

Hello friends
I'm trying to set the autofocus property in bootstrap modal but it's not working please check my below code

<ng2-completer 
[(ngModel)]="searchStr1" class="" 
[datasource]="dataService" 
[minSearchLength]="1" 
[openOnClick]="true" 
[selectOnClick]="true"
[openOnFocus]="false" 
[inputClass]="['form-control','block-select']" 
[placeholder]="'search ticker'" 
[autoHighlight]="true" 
[matchClass]="'match'" 
[autofocus]="true" 
[selectOnFocus]="true" 
[fillHighlighted]="false" style="display: inline-block;" name="symbol">
</ng2-completer>