message: fixed a typo in dataGrid
diff: -import { DataSettings, RowButton, ModelState, isNewRow } from '../utils';
  +import { DataSettings, RowButton, ModelState, isNewRow,Column } from '../utils';
  import { Component, OnChanges, Input } from '@angular/core';
  import { isFunction } from '../common';
  @Component({
  @@ -143,7 +143,7 @@ export class DataGridComponent implements OnChanges {
  @Input() records: any;
  @Input() settings: DataSettings<any>;
  - isFiltered(Column<any>c) {
  + isFiltered(c:Column<any>) {
  this.settings.columns.filterHelper.isFiltered(c);
  }
  