ngAfterContentInit() {
    // Register the simple columns to the table
    this.simpleColumns.forEach(simpleColumn => this.table.addColumnDef(simpleColumn.columnDef));

    // Register the normal column defs to the table
    this.columnDefs.forEach(columnDef => this.table.addColumnDef(columnDef));

    // Register any custom row definitions to the table
    this.rowDefs.forEach(rowDef => this.table.addRowDef(rowDef));

    // Register the header row definition.
    this.table.setHeaderRowDef(this.headerRowDef);
  }

this.rowDefs.forEach(rowDef => this.table.addRowDef(rowDef));