jqwidgets-framework/demos/Angular/src/grid/refreshdata/app.component.ts

jQWidgets is an advanced Angular, Vue, Blazor, React, Web Components, jquery, ASP .NET MVC, Custom Elements and HTML5 UI framework.

import { Component, ViewChild } from '@angular/core';

import { jqxGridComponent } from 'jqwidgets-ng/jqxgrid'

import { generatedata } from './../../../sampledata/generatedata';

@Component({
    selector: 'app-root',
    templateUrl: './app.component.html'
})

export class AppComponent {
    @ViewChild('myGrid', { static: false }) myGrid: jqxGridComponent;

    source: any =
    {
        localdata: generatedata(500, false),
        datafields:
        [
            { name: 'firstname', type: 'string' },
            { name: 'lastname', type: 'string' },
            { name: 'productname', type: 'string' },
            { name: 'quantity', type: 'number' },
            { name: 'price', type: 'number' },
            { name: 'total', type: 'number' }
        ],
        datatype: 'array'
    }

    dataAdapter: any = new jqx.dataAdapter(this.source);

	getWidth() : any {
		if (document.body.offsetWidth < 850) {
			return '90%';
		}
		
		return 850;
	}

    columns: any[] =
    [
        { text: 'First Name', dataField: 'firstname', width: 130 },
        { text: 'Last Name', dataField: 'lastname', width: 130 },
        { text: 'Product', dataField: 'productname', width: 180 },
        { text: 'Quantity', dataField: 'quantity', width: 80, cellsalign: 'right' },
        { text: 'Unit Price', dataField: 'price', width: 90, cellsalign: 'right', cellsformat: 'c2' },
        { text: 'Total', dataField: 'total', cellsalign: 'right', minwidth: 100, cellsformat: 'c2' }
    ];

    refreshBtnOnClick(): void {
        this.source.localdata = generatedata(500, false);
        // passing 'cells' to the 'updatebounddata' method will refresh only the cells values when the new rows count is equal to the previous rows count.
        this.myGrid.updatebounddata('cells');
    }

    clearBtnOnClick(): void {
        this.myGrid.clear();
    }
}