title: Unable expend options of Years in the ng Bootstrap datepicker in Angular
body: <p>I am working in Angular 8 with ng Bootstrap Datepicker </p>
  
  <p>I am getting <strong>limited range of Year</strong> in <em>DatePicker box in year dorpdown</em></p>
  
  <p>I am sharing my code</p>
  
  <pre><code>&lt;div class="form-group"&gt;
                  &lt;div class="input-group"&gt;
                    &lt;input class="form-control" formControlName="doj" (click)="(role == 'RS' || role == 'TSO') ? e.toggle({year: 1224, month: 2 , day:1}) : null" [readonly]="true" placeholder="yyyy-mm-dd" name="dp" ngbDatepicker
                      #e="ngbDatepicker"&gt;
                    &lt;div class="input-group-append"&gt;
                      &lt;button class="btn btn-outline-secondary calendar" (click)="(role == 'RS' || role == 'TSO') ? e.toggle() : null" type="button"&gt;&lt;/button&gt;
                    &lt;/div&gt;
                  &lt;/div&gt;
                &lt;/div&gt;
  </code></pre>
  
  <p>I am sharing Picture also</p>
  
  <p><a href="https://i.stack.imgur.com/KBtLI.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/KBtLI.png" alt="enter image description here"></a></p>