# injectGridFiltering

Angular inject function for programmatic filter control.

Uses **lazy grid discovery** - the grid element is found when methods are called,
not during initialization.

```ts
injectGridFiltering(selector: string): FilteringMethods
```

## Parameters

| Name | Type | Description |
| ---- | ---- | ----------- |
| `selector` | <code>string</code> | Optional CSS selector to target a specific grid element.
  Defaults to `'tbw-grid'` (first grid in the component). Use when the
  component contains multiple grids, e.g. `'tbw-grid.primary'` or `'#my-grid'`. |

#### Example

```typescript
import { Component } from '@angular/core';
import { Grid } from '@toolbox-web/grid-angular';
import '@toolbox-web/grid-angular/features/filtering';
import { injectGridFiltering } from '@toolbox-web/grid-angular/features/filtering';

@Component({
  selector: 'app-my-grid',
  imports: [Grid],
  template: `
    <input (input)="applyFilter($event)" placeholder="Filter by name..." />
    <span>{{ filtering.getFilteredRowCount() }} results</span>
    <button (click)="filtering.clearAllFilters()">Clear</button>
    <tbw-grid [rows]="rows" [filtering]="true"></tbw-grid>
  `
})
export class MyGridComponent {
  filtering = injectGridFiltering();

  applyFilter(event: Event) {
    const value = (event.target as HTMLInputElement).value;
    this.filtering.setFilter('name', value ? { operator: 'contains', value } : null);
  }
}
```