When no condition is provided, filter() method of grid throws undescriptive error

[tachojelev]

Description

When no condition is provided, filter() method of grid throws undescriptive error.
When no condition is provided, the filterGlobal() on the other hand does nothing and does not throw error.

• igniteui-angular version: 7.2.x, 7.3.x
• browser: any

Steps to reproduce

1. Add the following lines to the grid-search.sample.html and the grid-search.sample.ts respectively:

<button (click)="test()">test</button>

test() {        
    this.grid1.filter('CompanyName', 'al');
}

2. Run the "Grid Search" dev demo.
3. Click the "test" button.

Result

Undescriptive error is thrown.

Expected result

Descriptive error is thrown for both the filter and filterGlobal methods.

Attachments