mat-table-multi-select-column

user-list.component.html

  <ng-container matColumnDef="select">
    <mat-header-cell *matHeaderCellDef>
      <mat-checkbox (change)="$event ? masterToggle() : null" [checked]="selection.hasValue() && isAllSelected()"
        [indeterminate]="selection.hasValue() && !isAllSelected()"></mat-checkbox>
    </mat-header-cell>
    <mat-cell *matCellDef="let row">
      <mat-checkbox [checked]="selection.isSelected(row)" (click)="$event.stopPropagation()"
        (change)="$event ? selection.toggle(row) : null"></mat-checkbox>
    </mat-cell>
  </ng-container>