<ng-container *ngFor="let col of fixedRows; let i = index">
          <tr >
              <td class="col-sm-4">
                <p-dropdown name="dataType{{i}}" [options]="dataTypeList" [filter]="true" [style]="{'width':'200px'}"
                  autoDisplayFirst="true" showClear="true">
                </p-dropdown>
              </td>
          </tr>
          </ng-container>