Data Binding Basics
The main function of the Grid is to display model data.
Getting Started
The appropriate type of data binding depends on the scenario and features of your project. The Kendo UI Grid for Angular enables you to bind it to an array or GridDataResult objects by setting the data property of the <kendo-grid> tag.
When you bind the Grid to data, note the following specifics:
- When paging is disabled, bind the data directly as an
Arrayobject. - When paging or virtual scrolling is enabled, use the
GridDataResultoption. It enables you to set thetotalnumber of records in a data length that is different from the currently provided one. - When the data is received from an asynchronous source, pipe it through the
asyncpipe. - When the data contains dates, they need to be instances of the JavaScript
Dateobject. This ensures that dates are handled correctly during formatting, sorting, filtering, and editing.
import { Component } from '@angular/core';
import { products } from './products';
import { GridDataResult, DataStateChangeEvent } from '@progress/kendo-angular-grid';
import { Observable } from 'rxjs';
import { CategoriesService } from './northwind.service';
import { State } from '@progress/kendo-data-query';
@Component({
selector: 'my-app',
template: `
<div style="margin: 10px">
<div class="card">
<div class="card-block k-form">
<fieldset>
<legend>Binding types</legend>
<div class="k-form-field">
<span>Bind the data to:</span>
<input [(ngModel)]="bindingType" type="radio" name="mode" id="array" value="array" class="k-radio"
(change)="changeBindingType($event)">
<label class="k-radio-label" for="array">Array object</label>
<input [(ngModel)]="bindingType" type="radio" name="mode" id="gridDataResult" value="gridDataResult" class="k-radio"
(change)="changeBindingType($event)">
<label class="k-radio-label" for="gridDataResult">GridDataResult object</label>
<input [(ngModel)]="bindingType" type="radio" name="mode" id="async" value="async" class="k-radio"
(change)="changeBindingType($event)">
<label class="k-radio-label" for="async">Asynchronous source</label>
</div>
</fieldset>
</div>
</div>
</div>
<kendo-grid
[data]="gridData"
[height]="410"
[loading]="view.loading"
>
<kendo-grid-column *ngFor="let col of columns" [field]="col.field"></kendo-grid-column>
</kendo-grid>
`
})
export class AppComponent {
public columns: any[] = [{field: "ProductID"}, {field: "ProductName"}, {field: "QuantityPerUnit"}];
public bindingType: String = 'array';
public view: Observable<GridDataResult>;
public gridData: any = products;
public gridDataResult: GridDataResult = {data: products, total: products.length};
constructor(private service: CategoriesService) {
this.view = service;
}
changeBindingType(e) {
switch (this.bindingType) {
case 'array' : {
this.columns = [{field: "ProductID"}, {field: "ProductName"}, {field: "QuantityPerUnit"}];
this.gridData = products;
break;
}
case 'gridDataResult' : {
this.columns = [{field: "ProductID"}, {field: "ProductName"}, {field: "QuantityPerUnit"}];
this.gridData = this.gridDataResult;
break;
}
case 'async' : {
const state: State = {skip: 0, take: 100};
this.columns = [{field: "CategoryID"}, {field: "CategoryName"}, {field: "Description"}];
this.service.query(state);
this.view.subscribe(res => {
this.gridData = res;
});
break;
}
}
}
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { HttpClientModule } from '@angular/common/http';
import { GridModule } from '@progress/kendo-angular-grid';
import { AppComponent } from './app.component';
import { CategoriesService } from './northwind.service';
@NgModule({
imports: [ HttpClientModule, FormsModule, BrowserModule, BrowserAnimationsModule, GridModule ],
declarations: [ AppComponent ],
providers: [ CategoriesService ],
bootstrap: [ AppComponent ]
})
export class AppModule { }
import { enableProdMode } from '@angular/core';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { AppModule } from './app.module';
enableProdMode();
const platform = platformBrowserDynamic();
platform.bootstrapModule(AppModule);
export const sampleProducts = [
{
"ProductID": 1,
"ProductName": "Chai",
"SupplierID": 1,
"CategoryID": 1,
"QuantityPerUnit": "10 boxes x 20 bags",
"UnitPrice": 18,
"UnitsInStock": 39,
"UnitsOnOrder": 0,
"ReorderLevel": 10,
"Discontinued": false,
"Category": {
"CategoryID": 1,
"CategoryName": "Beverages",
"Description": "Soft drinks, coffees, teas, beers, and ales"
},
"FirstOrderedOn": new Date(1996, 8, 20)
},
{
"ProductID": 2,
"ProductName": "Chang",
"SupplierID": 1,
"CategoryID": 1,
"QuantityPerUnit": "24 - 12 oz bottles",
"UnitPrice": 19,
"UnitsInStock": 17,
"UnitsOnOrder": 40,
"ReorderLevel": 25,
"Discontinued": false,
"Category": {
"CategoryID": 1,
"CategoryName": "Beverages",
"Description": "Soft drinks, coffees, teas, beers, and ales"
},
"FirstOrderedOn": new Date(1996, 7, 12)
},
{
"ProductID": 3,
"ProductName": "Aniseed Syrup",
"SupplierID": 1,
"CategoryID": 2,
"QuantityPerUnit": "12 - 550 ml bottles",
"UnitPrice": 10,
"UnitsInStock": 13,
"UnitsOnOrder": 70,
"ReorderLevel": 25,
"Discontinued": false,
"Category": {
"CategoryID": 2,
"CategoryName": "Condiments",
"Description": "Sweet and savory sauces, relishes, spreads, and seasonings"
},
"FirstOrderedOn": new Date(1996, 8, 26)
},
{
"ProductID": 4,
"ProductName": "Chef Anton's Cajun Seasoning",
"SupplierID": 2,
"CategoryID": 2,
"QuantityPerUnit": "48 - 6 oz jars",
"UnitPrice": 22,
"UnitsInStock": 53,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 2,
"CategoryName": "Condiments",
"Description": "Sweet and savory sauces, relishes, spreads, and seasonings"
},
"FirstOrderedOn": new Date(1996, 9, 19)
},
{
"ProductID": 5,
"ProductName": "Chef Anton's Gumbo Mix",
"SupplierID": 2,
"CategoryID": 2,
"QuantityPerUnit": "36 boxes",
"UnitPrice": 21.35,
"UnitsInStock": 0,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": true,
"Category": {
"CategoryID": 2,
"CategoryName": "Condiments",
"Description": "Sweet and savory sauces, relishes, spreads, and seasonings"
},
"FirstOrderedOn": new Date(1996, 7, 17)
},
{
"ProductID": 6,
"ProductName": "Grandma's Boysenberry Spread",
"SupplierID": 3,
"CategoryID": 2,
"QuantityPerUnit": "12 - 8 oz jars",
"UnitPrice": 25,
"UnitsInStock": 120,
"UnitsOnOrder": 0,
"ReorderLevel": 25,
"Discontinued": false,
"Category": {
"CategoryID": 2,
"CategoryName": "Condiments",
"Description": "Sweet and savory sauces, relishes, spreads, and seasonings"
},
"FirstOrderedOn": new Date(1996, 9, 19)
},
{
"ProductID": 7,
"ProductName": "Uncle Bob's Organic Dried Pears",
"SupplierID": 3,
"CategoryID": 7,
"QuantityPerUnit": "12 - 1 lb pkgs.",
"UnitPrice": 30,
"UnitsInStock": 15,
"UnitsOnOrder": 0,
"ReorderLevel": 10,
"Discontinued": false,
"Category": {
"CategoryID": 7,
"CategoryName": "Produce",
"Description": "Dried fruit and bean curd"
},
"FirstOrderedOn": new Date(1996, 7, 22)
},
{
"ProductID": 8,
"ProductName": "Northwoods Cranberry Sauce",
"SupplierID": 3,
"CategoryID": 2,
"QuantityPerUnit": "12 - 12 oz jars",
"UnitPrice": 40,
"UnitsInStock": 6,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 2,
"CategoryName": "Condiments",
"Description": "Sweet and savory sauces, relishes, spreads, and seasonings"
},
"FirstOrderedOn": new Date(1996, 11, 1)
},
{
"ProductID": 9,
"ProductName": "Mishi Kobe Niku",
"SupplierID": 4,
"CategoryID": 6,
"QuantityPerUnit": "18 - 500 g pkgs.",
"UnitPrice": 97,
"UnitsInStock": 29,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": true,
"Category": {
"CategoryID": 6,
"CategoryName": "Meat/Poultry",
"Description": "Prepared meats"
},
"FirstOrderedOn": new Date(1997, 1, 21)
},
{
"ProductID": 10,
"ProductName": "Ikura",
"SupplierID": 4,
"CategoryID": 8,
"QuantityPerUnit": "12 - 200 ml jars",
"UnitPrice": 31,
"UnitsInStock": 31,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 8,
"CategoryName": "Seafood",
"Description": "Seaweed and fish"
},
"FirstOrderedOn": new Date(1996, 8, 5)
}
];
export const products = [{
"ProductID": 1,
"ProductName": "Chai",
"SupplierID": 1,
"CategoryID": 1,
"QuantityPerUnit": "10 boxes x 20 bags",
"UnitPrice": 18.0000,
"UnitsInStock": 39,
"UnitsOnOrder": 0,
"ReorderLevel": 10,
"Discontinued": false,
"Category": {
"CategoryID": 1,
"CategoryName": "Beverages",
"Description": "Soft drinks, coffees, teas, beers, and ales"
}
}, {
"ProductID": 2,
"ProductName": "Chang",
"SupplierID": 1,
"CategoryID": 1,
"QuantityPerUnit": "24 - 12 oz bottles",
"UnitPrice": 19.0000,
"UnitsInStock": 17,
"UnitsOnOrder": 40,
"ReorderLevel": 25,
"Discontinued": false,
"Category": {
"CategoryID": 1,
"CategoryName": "Beverages",
"Description": "Soft drinks, coffees, teas, beers, and ales"
}
}, {
"ProductID": 3,
"ProductName": "Aniseed Syrup",
"SupplierID": 1,
"CategoryID": 2,
"QuantityPerUnit": "12 - 550 ml bottles",
"UnitPrice": 10.0000,
"UnitsInStock": 13,
"UnitsOnOrder": 70,
"ReorderLevel": 25,
"Discontinued": false,
"Category": {
"CategoryID": 2,
"CategoryName": "Condiments",
"Description": "Sweet and savory sauces, relishes, spreads, and seasonings"
}
}, {
"ProductID": 4,
"ProductName": "Chef Anton's Cajun Seasoning",
"SupplierID": 2,
"CategoryID": 2,
"QuantityPerUnit": "48 - 6 oz jars",
"UnitPrice": 22.0000,
"UnitsInStock": 53,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 2,
"CategoryName": "Condiments",
"Description": "Sweet and savory sauces, relishes, spreads, and seasonings"
}
}, {
"ProductID": 5,
"ProductName": "Chef Anton's Gumbo Mix",
"SupplierID": 2,
"CategoryID": 2,
"QuantityPerUnit": "36 boxes",
"UnitPrice": 21.3500,
"UnitsInStock": 0,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": true,
"Category": {
"CategoryID": 2,
"CategoryName": "Condiments",
"Description": "Sweet and savory sauces, relishes, spreads, and seasonings"
}
}, {
"ProductID": 6,
"ProductName": "Grandma's Boysenberry Spread",
"SupplierID": 3,
"CategoryID": 2,
"QuantityPerUnit": "12 - 8 oz jars",
"UnitPrice": 25.0000,
"UnitsInStock": 120,
"UnitsOnOrder": 0,
"ReorderLevel": 25,
"Discontinued": false,
"Category": {
"CategoryID": 2,
"CategoryName": "Condiments",
"Description": "Sweet and savory sauces, relishes, spreads, and seasonings"
}
}, {
"ProductID": 7,
"ProductName": "Uncle Bob's Organic Dried Pears",
"SupplierID": 3,
"CategoryID": 7,
"QuantityPerUnit": "12 - 1 lb pkgs.",
"UnitPrice": 30.0000,
"UnitsInStock": 15,
"UnitsOnOrder": 0,
"ReorderLevel": 10,
"Discontinued": false,
"Category": {
"CategoryID": 7,
"CategoryName": "Produce",
"Description": "Dried fruit and bean curd"
}
}, {
"ProductID": 8,
"ProductName": "Northwoods Cranberry Sauce",
"SupplierID": 3,
"CategoryID": 2,
"QuantityPerUnit": "12 - 12 oz jars",
"UnitPrice": 40.0000,
"UnitsInStock": 6,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 2,
"CategoryName": "Condiments",
"Description": "Sweet and savory sauces, relishes, spreads, and seasonings"
}
}, {
"ProductID": 9,
"ProductName": "Mishi Kobe Niku",
"SupplierID": 4,
"CategoryID": 6,
"QuantityPerUnit": "18 - 500 g pkgs.",
"UnitPrice": 97.0000,
"UnitsInStock": 29,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": true,
"Category": {
"CategoryID": 6,
"CategoryName": "Meat/Poultry",
"Description": "Prepared meats"
}
}, {
"ProductID": 10,
"ProductName": "Ikura",
"SupplierID": 4,
"CategoryID": 8,
"QuantityPerUnit": "12 - 200 ml jars",
"UnitPrice": 31.0000,
"UnitsInStock": 31,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 8,
"CategoryName": "Seafood",
"Description": "Seaweed and fish"
}
}, {
"ProductID": 11,
"ProductName": "Queso Cabrales",
"SupplierID": 5,
"CategoryID": 4,
"QuantityPerUnit": "1 kg pkg.",
"UnitPrice": 21.0000,
"UnitsInStock": 22,
"UnitsOnOrder": 30,
"ReorderLevel": 30,
"Discontinued": false,
"Category": {
"CategoryID": 4,
"CategoryName": "Dairy Products",
"Description": "Cheeses"
}
}, {
"ProductID": 12,
"ProductName": "Queso Manchego La Pastora",
"SupplierID": 5,
"CategoryID": 4,
"QuantityPerUnit": "10 - 500 g pkgs.",
"UnitPrice": 38.0000,
"UnitsInStock": 86,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 4,
"CategoryName": "Dairy Products",
"Description": "Cheeses"
}
}, {
"ProductID": 13,
"ProductName": "Konbu",
"SupplierID": 6,
"CategoryID": 8,
"QuantityPerUnit": "2 kg box",
"UnitPrice": 6.0000,
"UnitsInStock": 24,
"UnitsOnOrder": 0,
"ReorderLevel": 5,
"Discontinued": false,
"Category": {
"CategoryID": 8,
"CategoryName": "Seafood",
"Description": "Seaweed and fish"
}
}, {
"ProductID": 14,
"ProductName": "Tofu",
"SupplierID": 6,
"CategoryID": 7,
"QuantityPerUnit": "40 - 100 g pkgs.",
"UnitPrice": 23.2500,
"UnitsInStock": 35,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 7,
"CategoryName": "Produce",
"Description": "Dried fruit and bean curd"
}
}, {
"ProductID": 15,
"ProductName": "Genen Shouyu",
"SupplierID": 6,
"CategoryID": 2,
"QuantityPerUnit": "24 - 250 ml bottles",
"UnitPrice": 15.5000,
"UnitsInStock": 39,
"UnitsOnOrder": 0,
"ReorderLevel": 5,
"Discontinued": false,
"Category": {
"CategoryID": 2,
"CategoryName": "Condiments",
"Description": "Sweet and savory sauces, relishes, spreads, and seasonings"
}
}, {
"ProductID": 16,
"ProductName": "Pavlova",
"SupplierID": 7,
"CategoryID": 3,
"QuantityPerUnit": "32 - 500 g boxes",
"UnitPrice": 17.4500,
"UnitsInStock": 29,
"UnitsOnOrder": 0,
"ReorderLevel": 10,
"Discontinued": false,
"Category": {
"CategoryID": 3,
"CategoryName": "Confections",
"Description": "Desserts, candies, and sweet breads"
}
}, {
"ProductID": 17,
"ProductName": "Alice Mutton",
"SupplierID": 7,
"CategoryID": 6,
"QuantityPerUnit": "20 - 1 kg tins",
"UnitPrice": 39.0000,
"UnitsInStock": 0,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": true,
"Category": {
"CategoryID": 6,
"CategoryName": "Meat/Poultry",
"Description": "Prepared meats"
}
}, {
"ProductID": 18,
"ProductName": "Carnarvon Tigers",
"SupplierID": 7,
"CategoryID": 8,
"QuantityPerUnit": "16 kg pkg.",
"UnitPrice": 62.5000,
"UnitsInStock": 42,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 8,
"CategoryName": "Seafood",
"Description": "Seaweed and fish"
}
}, {
"ProductID": 19,
"ProductName": "Teatime Chocolate Biscuits",
"SupplierID": 8,
"CategoryID": 3,
"QuantityPerUnit": "10 boxes x 12 pieces",
"UnitPrice": 9.2000,
"UnitsInStock": 25,
"UnitsOnOrder": 0,
"ReorderLevel": 5,
"Discontinued": false,
"Category": {
"CategoryID": 3,
"CategoryName": "Confections",
"Description": "Desserts, candies, and sweet breads"
}
}, {
"ProductID": 20,
"ProductName": "Sir Rodney's Marmalade",
"SupplierID": 8,
"CategoryID": 3,
"QuantityPerUnit": "30 gift boxes",
"UnitPrice": 81.0000,
"UnitsInStock": 40,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 3,
"CategoryName": "Confections",
"Description": "Desserts, candies, and sweet breads"
}
}, {
"ProductID": 21,
"ProductName": "Sir Rodney's Scones",
"SupplierID": 8,
"CategoryID": 3,
"QuantityPerUnit": "24 pkgs. x 4 pieces",
"UnitPrice": 10.0000,
"UnitsInStock": 3,
"UnitsOnOrder": 40,
"ReorderLevel": 5,
"Discontinued": false,
"Category": {
"CategoryID": 3,
"CategoryName": "Confections",
"Description": "Desserts, candies, and sweet breads"
}
}, {
"ProductID": 22,
"ProductName": "Gustaf's Knäckebröd",
"SupplierID": 9,
"CategoryID": 5,
"QuantityPerUnit": "24 - 500 g pkgs.",
"UnitPrice": 21.0000,
"UnitsInStock": 104,
"UnitsOnOrder": 0,
"ReorderLevel": 25,
"Discontinued": false,
"Category": {
"CategoryID": 5,
"CategoryName": "Grains/Cereals",
"Description": "Breads, crackers, pasta, and cereal"
}
}, {
"ProductID": 23,
"ProductName": "Tunnbröd",
"SupplierID": 9,
"CategoryID": 5,
"QuantityPerUnit": "12 - 250 g pkgs.",
"UnitPrice": 9.0000,
"UnitsInStock": 61,
"UnitsOnOrder": 0,
"ReorderLevel": 25,
"Discontinued": false,
"Category": {
"CategoryID": 5,
"CategoryName": "Grains/Cereals",
"Description": "Breads, crackers, pasta, and cereal"
}
}, {
"ProductID": 24,
"ProductName": "Guaraná Fantástica",
"SupplierID": 10,
"CategoryID": 1,
"QuantityPerUnit": "12 - 355 ml cans",
"UnitPrice": 4.5000,
"UnitsInStock": 20,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": true,
"Category": {
"CategoryID": 1,
"CategoryName": "Beverages",
"Description": "Soft drinks, coffees, teas, beers, and ales"
}
}, {
"ProductID": 25,
"ProductName": "NuNuCa Nuß-Nougat-Creme",
"SupplierID": 11,
"CategoryID": 3,
"QuantityPerUnit": "20 - 450 g glasses",
"UnitPrice": 14.0000,
"UnitsInStock": 76,
"UnitsOnOrder": 0,
"ReorderLevel": 30,
"Discontinued": false,
"Category": {
"CategoryID": 3,
"CategoryName": "Confections",
"Description": "Desserts, candies, and sweet breads"
}
}, {
"ProductID": 26,
"ProductName": "Gumbär Gummibärchen",
"SupplierID": 11,
"CategoryID": 3,
"QuantityPerUnit": "100 - 250 g bags",
"UnitPrice": 31.2300,
"UnitsInStock": 15,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 3,
"CategoryName": "Confections",
"Description": "Desserts, candies, and sweet breads"
}
}, {
"ProductID": 27,
"ProductName": "Schoggi Schokolade",
"SupplierID": 11,
"CategoryID": 3,
"QuantityPerUnit": "100 - 100 g pieces",
"UnitPrice": 43.9000,
"UnitsInStock": 49,
"UnitsOnOrder": 0,
"ReorderLevel": 30,
"Discontinued": false,
"Category": {
"CategoryID": 3,
"CategoryName": "Confections",
"Description": "Desserts, candies, and sweet breads"
}
}, {
"ProductID": 28,
"ProductName": "Rössle Sauerkraut",
"SupplierID": 12,
"CategoryID": 7,
"QuantityPerUnit": "25 - 825 g cans",
"UnitPrice": 45.6000,
"UnitsInStock": 26,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": true,
"Category": {
"CategoryID": 7,
"CategoryName": "Produce",
"Description": "Dried fruit and bean curd"
}
}, {
"ProductID": 29,
"ProductName": "Thüringer Rostbratwurst",
"SupplierID": 12,
"CategoryID": 6,
"QuantityPerUnit": "50 bags x 30 sausgs.",
"UnitPrice": 123.7900,
"UnitsInStock": 0,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": true,
"Category": {
"CategoryID": 6,
"CategoryName": "Meat/Poultry",
"Description": "Prepared meats"
}
}, {
"ProductID": 30,
"ProductName": "Nord-Ost Matjeshering",
"SupplierID": 13,
"CategoryID": 8,
"QuantityPerUnit": "10 - 200 g glasses",
"UnitPrice": 25.8900,
"UnitsInStock": 10,
"UnitsOnOrder": 0,
"ReorderLevel": 15,
"Discontinued": false,
"Category": {
"CategoryID": 8,
"CategoryName": "Seafood",
"Description": "Seaweed and fish"
}
}, {
"ProductID": 31,
"ProductName": "Gorgonzola Telino",
"SupplierID": 14,
"CategoryID": 4,
"QuantityPerUnit": "12 - 100 g pkgs",
"UnitPrice": 12.5000,
"UnitsInStock": 0,
"UnitsOnOrder": 70,
"ReorderLevel": 20,
"Discontinued": false,
"Category": {
"CategoryID": 4,
"CategoryName": "Dairy Products",
"Description": "Cheeses"
}
}, {
"ProductID": 32,
"ProductName": "Mascarpone Fabioli",
"SupplierID": 14,
"CategoryID": 4,
"QuantityPerUnit": "24 - 200 g pkgs.",
"UnitPrice": 32.0000,
"UnitsInStock": 9,
"UnitsOnOrder": 40,
"ReorderLevel": 25,
"Discontinued": false,
"Category": {
"CategoryID": 4,
"CategoryName": "Dairy Products",
"Description": "Cheeses"
}
}, {
"ProductID": 33,
"ProductName": "Geitost",
"SupplierID": 15,
"CategoryID": 4,
"QuantityPerUnit": "500 g",
"UnitPrice": 2.5000,
"UnitsInStock": 112,
"UnitsOnOrder": 0,
"ReorderLevel": 20,
"Discontinued": false,
"Category": {
"CategoryID": 4,
"CategoryName": "Dairy Products",
"Description": "Cheeses"
}
}, {
"ProductID": 34,
"ProductName": "Sasquatch Ale",
"SupplierID": 16,
"CategoryID": 1,
"QuantityPerUnit": "24 - 12 oz bottles",
"UnitPrice": 14.0000,
"UnitsInStock": 111,
"UnitsOnOrder": 0,
"ReorderLevel": 15,
"Discontinued": false,
"Category": {
"CategoryID": 1,
"CategoryName": "Beverages",
"Description": "Soft drinks, coffees, teas, beers, and ales"
}
}, {
"ProductID": 35,
"ProductName": "Steeleye Stout",
"SupplierID": 16,
"CategoryID": 1,
"QuantityPerUnit": "24 - 12 oz bottles",
"UnitPrice": 18.0000,
"UnitsInStock": 20,
"UnitsOnOrder": 0,
"ReorderLevel": 15,
"Discontinued": false,
"Category": {
"CategoryID": 1,
"CategoryName": "Beverages",
"Description": "Soft drinks, coffees, teas, beers, and ales"
}
}, {
"ProductID": 36,
"ProductName": "Inlagd Sill",
"SupplierID": 17,
"CategoryID": 8,
"QuantityPerUnit": "24 - 250 g jars",
"UnitPrice": 19.0000,
"UnitsInStock": 112,
"UnitsOnOrder": 0,
"ReorderLevel": 20,
"Discontinued": false,
"Category": {
"CategoryID": 8,
"CategoryName": "Seafood",
"Description": "Seaweed and fish"
}
}, {
"ProductID": 37,
"ProductName": "Gravad lax",
"SupplierID": 17,
"CategoryID": 8,
"QuantityPerUnit": "12 - 500 g pkgs.",
"UnitPrice": 26.0000,
"UnitsInStock": 11,
"UnitsOnOrder": 50,
"ReorderLevel": 25,
"Discontinued": false,
"Category": {
"CategoryID": 8,
"CategoryName": "Seafood",
"Description": "Seaweed and fish"
}
}, {
"ProductID": 38,
"ProductName": "Côte de Blaye",
"SupplierID": 18,
"CategoryID": 1,
"QuantityPerUnit": "12 - 75 cl bottles",
"UnitPrice": 263.5000,
"UnitsInStock": 17,
"UnitsOnOrder": 0,
"ReorderLevel": 15,
"Discontinued": false,
"Category": {
"CategoryID": 1,
"CategoryName": "Beverages",
"Description": "Soft drinks, coffees, teas, beers, and ales"
}
}, {
"ProductID": 39,
"ProductName": "Chartreuse verte",
"SupplierID": 18,
"CategoryID": 1,
"QuantityPerUnit": "750 cc per bottle",
"UnitPrice": 18.0000,
"UnitsInStock": 69,
"UnitsOnOrder": 0,
"ReorderLevel": 5,
"Discontinued": false,
"Category": {
"CategoryID": 1,
"CategoryName": "Beverages",
"Description": "Soft drinks, coffees, teas, beers, and ales"
}
}, {
"ProductID": 40,
"ProductName": "Boston Crab Meat",
"SupplierID": 19,
"CategoryID": 8,
"QuantityPerUnit": "24 - 4 oz tins",
"UnitPrice": 18.4000,
"UnitsInStock": 123,
"UnitsOnOrder": 0,
"ReorderLevel": 30,
"Discontinued": false,
"Category": {
"CategoryID": 8,
"CategoryName": "Seafood",
"Description": "Seaweed and fish"
}
}, {
"ProductID": 41,
"ProductName": "Jack's New England Clam Chowder",
"SupplierID": 19,
"CategoryID": 8,
"QuantityPerUnit": "12 - 12 oz cans",
"UnitPrice": 9.6500,
"UnitsInStock": 85,
"UnitsOnOrder": 0,
"ReorderLevel": 10,
"Discontinued": false,
"Category": {
"CategoryID": 8,
"CategoryName": "Seafood",
"Description": "Seaweed and fish"
}
}, {
"ProductID": 42,
"ProductName": "Singaporean Hokkien Fried Mee",
"SupplierID": 20,
"CategoryID": 5,
"QuantityPerUnit": "32 - 1 kg pkgs.",
"UnitPrice": 14.0000,
"UnitsInStock": 26,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": true,
"Category": {
"CategoryID": 5,
"CategoryName": "Grains/Cereals",
"Description": "Breads, crackers, pasta, and cereal"
}
}, {
"ProductID": 43,
"ProductName": "Ipoh Coffee",
"SupplierID": 20,
"CategoryID": 1,
"QuantityPerUnit": "16 - 500 g tins",
"UnitPrice": 46.0000,
"UnitsInStock": 17,
"UnitsOnOrder": 10,
"ReorderLevel": 25,
"Discontinued": false,
"Category": {
"CategoryID": 1,
"CategoryName": "Beverages",
"Description": "Soft drinks, coffees, teas, beers, and ales"
}
}, {
"ProductID": 44,
"ProductName": "Gula Malacca",
"SupplierID": 20,
"CategoryID": 2,
"QuantityPerUnit": "20 - 2 kg bags",
"UnitPrice": 19.4500,
"UnitsInStock": 27,
"UnitsOnOrder": 0,
"ReorderLevel": 15,
"Discontinued": false,
"Category": {
"CategoryID": 2,
"CategoryName": "Condiments",
"Description": "Sweet and savory sauces, relishes, spreads, and seasonings"
}
}, {
"ProductID": 45,
"ProductName": "Rogede sild",
"SupplierID": 21,
"CategoryID": 8,
"QuantityPerUnit": "1k pkg.",
"UnitPrice": 9.5000,
"UnitsInStock": 5,
"UnitsOnOrder": 70,
"ReorderLevel": 15,
"Discontinued": false,
"Category": {
"CategoryID": 8,
"CategoryName": "Seafood",
"Description": "Seaweed and fish"
}
}, {
"ProductID": 46,
"ProductName": "Spegesild",
"SupplierID": 21,
"CategoryID": 8,
"QuantityPerUnit": "4 - 450 g glasses",
"UnitPrice": 12.0000,
"UnitsInStock": 95,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 8,
"CategoryName": "Seafood",
"Description": "Seaweed and fish"
}
}, {
"ProductID": 47,
"ProductName": "Zaanse koeken",
"SupplierID": 22,
"CategoryID": 3,
"QuantityPerUnit": "10 - 4 oz boxes",
"UnitPrice": 9.5000,
"UnitsInStock": 36,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 3,
"CategoryName": "Confections",
"Description": "Desserts, candies, and sweet breads"
}
}, {
"ProductID": 48,
"ProductName": "Chocolade",
"SupplierID": 22,
"CategoryID": 3,
"QuantityPerUnit": "10 pkgs.",
"UnitPrice": 12.7500,
"UnitsInStock": 15,
"UnitsOnOrder": 70,
"ReorderLevel": 25,
"Discontinued": false,
"Category": {
"CategoryID": 3,
"CategoryName": "Confections",
"Description": "Desserts, candies, and sweet breads"
}
}, {
"ProductID": 49,
"ProductName": "Maxilaku",
"SupplierID": 23,
"CategoryID": 3,
"QuantityPerUnit": "24 - 50 g pkgs.",
"UnitPrice": 20.0000,
"UnitsInStock": 10,
"UnitsOnOrder": 60,
"ReorderLevel": 15,
"Discontinued": false,
"Category": {
"CategoryID": 3,
"CategoryName": "Confections",
"Description": "Desserts, candies, and sweet breads"
}
}, {
"ProductID": 50,
"ProductName": "Valkoinen suklaa",
"SupplierID": 23,
"CategoryID": 3,
"QuantityPerUnit": "12 - 100 g bars",
"UnitPrice": 16.2500,
"UnitsInStock": 65,
"UnitsOnOrder": 0,
"ReorderLevel": 30,
"Discontinued": false,
"Category": {
"CategoryID": 3,
"CategoryName": "Confections",
"Description": "Desserts, candies, and sweet breads"
}
}, {
"ProductID": 51,
"ProductName": "Manjimup Dried Apples",
"SupplierID": 24,
"CategoryID": 7,
"QuantityPerUnit": "50 - 300 g pkgs.",
"UnitPrice": 53.0000,
"UnitsInStock": 20,
"UnitsOnOrder": 0,
"ReorderLevel": 10,
"Discontinued": false,
"Category": {
"CategoryID": 7,
"CategoryName": "Produce",
"Description": "Dried fruit and bean curd"
}
}, {
"ProductID": 52,
"ProductName": "Filo Mix",
"SupplierID": 24,
"CategoryID": 5,
"QuantityPerUnit": "16 - 2 kg boxes",
"UnitPrice": 7.0000,
"UnitsInStock": 38,
"UnitsOnOrder": 0,
"ReorderLevel": 25,
"Discontinued": false,
"Category": {
"CategoryID": 5,
"CategoryName": "Grains/Cereals",
"Description": "Breads, crackers, pasta, and cereal"
}
}, {
"ProductID": 53,
"ProductName": "Perth Pasties",
"SupplierID": 24,
"CategoryID": 6,
"QuantityPerUnit": "48 pieces",
"UnitPrice": 32.8000,
"UnitsInStock": 0,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": true,
"Category": {
"CategoryID": 6,
"CategoryName": "Meat/Poultry",
"Description": "Prepared meats"
}
}, {
"ProductID": 54,
"ProductName": "Tourtière",
"SupplierID": 25,
"CategoryID": 6,
"QuantityPerUnit": "16 pies",
"UnitPrice": 7.4500,
"UnitsInStock": 21,
"UnitsOnOrder": 0,
"ReorderLevel": 10,
"Discontinued": false,
"Category": {
"CategoryID": 6,
"CategoryName": "Meat/Poultry",
"Description": "Prepared meats"
}
}, {
"ProductID": 55,
"ProductName": "Pâté chinois",
"SupplierID": 25,
"CategoryID": 6,
"QuantityPerUnit": "24 boxes x 2 pies",
"UnitPrice": 24.0000,
"UnitsInStock": 115,
"UnitsOnOrder": 0,
"ReorderLevel": 20,
"Discontinued": false,
"Category": {
"CategoryID": 6,
"CategoryName": "Meat/Poultry",
"Description": "Prepared meats"
}
}, {
"ProductID": 56,
"ProductName": "Gnocchi di nonna Alice",
"SupplierID": 26,
"CategoryID": 5,
"QuantityPerUnit": "24 - 250 g pkgs.",
"UnitPrice": 38.0000,
"UnitsInStock": 21,
"UnitsOnOrder": 10,
"ReorderLevel": 30,
"Discontinued": false,
"Category": {
"CategoryID": 5,
"CategoryName": "Grains/Cereals",
"Description": "Breads, crackers, pasta, and cereal"
}
}, {
"ProductID": 57,
"ProductName": "Ravioli Angelo",
"SupplierID": 26,
"CategoryID": 5,
"QuantityPerUnit": "24 - 250 g pkgs.",
"UnitPrice": 19.5000,
"UnitsInStock": 36,
"UnitsOnOrder": 0,
"ReorderLevel": 20,
"Discontinued": false,
"Category": {
"CategoryID": 5,
"CategoryName": "Grains/Cereals",
"Description": "Breads, crackers, pasta, and cereal"
}
}, {
"ProductID": 58,
"ProductName": "Escargots de Bourgogne",
"SupplierID": 27,
"CategoryID": 8,
"QuantityPerUnit": "24 pieces",
"UnitPrice": 13.2500,
"UnitsInStock": 62,
"UnitsOnOrder": 0,
"ReorderLevel": 20,
"Discontinued": false,
"Category": {
"CategoryID": 8,
"CategoryName": "Seafood",
"Description": "Seaweed and fish"
}
}, {
"ProductID": 59,
"ProductName": "Raclette Courdavault",
"SupplierID": 28,
"CategoryID": 4,
"QuantityPerUnit": "5 kg pkg.",
"UnitPrice": 55.0000,
"UnitsInStock": 79,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 4,
"CategoryName": "Dairy Products",
"Description": "Cheeses"
}
}, {
"ProductID": 60,
"ProductName": "Camembert Pierrot",
"SupplierID": 28,
"CategoryID": 4,
"QuantityPerUnit": "15 - 300 g rounds",
"UnitPrice": 34.0000,
"UnitsInStock": 19,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 4,
"CategoryName": "Dairy Products",
"Description": "Cheeses"
}
}, {
"ProductID": 61,
"ProductName": "Sirop d'érable",
"SupplierID": 29,
"CategoryID": 2,
"QuantityPerUnit": "24 - 500 ml bottles",
"UnitPrice": 28.5000,
"UnitsInStock": 113,
"UnitsOnOrder": 0,
"ReorderLevel": 25,
"Discontinued": false,
"Category": {
"CategoryID": 2,
"CategoryName": "Condiments",
"Description": "Sweet and savory sauces, relishes, spreads, and seasonings"
}
}, {
"ProductID": 62,
"ProductName": "Tarte au sucre",
"SupplierID": 29,
"CategoryID": 3,
"QuantityPerUnit": "48 pies",
"UnitPrice": 49.3000,
"UnitsInStock": 17,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 3,
"CategoryName": "Confections",
"Description": "Desserts, candies, and sweet breads"
}
}, {
"ProductID": 63,
"ProductName": "Vegie-spread",
"SupplierID": 7,
"CategoryID": 2,
"QuantityPerUnit": "15 - 625 g jars",
"UnitPrice": 43.9000,
"UnitsInStock": 24,
"UnitsOnOrder": 0,
"ReorderLevel": 5,
"Discontinued": false,
"Category": {
"CategoryID": 2,
"CategoryName": "Condiments",
"Description": "Sweet and savory sauces, relishes, spreads, and seasonings"
}
}, {
"ProductID": 64,
"ProductName": "Wimmers gute Semmelknödel",
"SupplierID": 12,
"CategoryID": 5,
"QuantityPerUnit": "20 bags x 4 pieces",
"UnitPrice": 33.2500,
"UnitsInStock": 22,
"UnitsOnOrder": 80,
"ReorderLevel": 30,
"Discontinued": false,
"Category": {
"CategoryID": 5,
"CategoryName": "Grains/Cereals",
"Description": "Breads, crackers, pasta, and cereal"
}
}, {
"ProductID": 65,
"ProductName": "Louisiana Fiery Hot Pepper Sauce",
"SupplierID": 2,
"CategoryID": 2,
"QuantityPerUnit": "32 - 8 oz bottles",
"UnitPrice": 21.0500,
"UnitsInStock": 76,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 2,
"CategoryName": "Condiments",
"Description": "Sweet and savory sauces, relishes, spreads, and seasonings"
}
}, {
"ProductID": 66,
"ProductName": "Louisiana Hot Spiced Okra",
"SupplierID": 2,
"CategoryID": 2,
"QuantityPerUnit": "24 - 8 oz jars",
"UnitPrice": 17.0000,
"UnitsInStock": 4,
"UnitsOnOrder": 100,
"ReorderLevel": 20,
"Discontinued": false,
"Category": {
"CategoryID": 2,
"CategoryName": "Condiments",
"Description": "Sweet and savory sauces, relishes, spreads, and seasonings"
}
}, {
"ProductID": 67,
"ProductName": "Laughing Lumberjack Lager",
"SupplierID": 16,
"CategoryID": 1,
"QuantityPerUnit": "24 - 12 oz bottles",
"UnitPrice": 14.0000,
"UnitsInStock": 52,
"UnitsOnOrder": 0,
"ReorderLevel": 10,
"Discontinued": false,
"Category": {
"CategoryID": 1,
"CategoryName": "Beverages",
"Description": "Soft drinks, coffees, teas, beers, and ales"
}
}, {
"ProductID": 68,
"ProductName": "Scottish Longbreads",
"SupplierID": 8,
"CategoryID": 3,
"QuantityPerUnit": "10 boxes x 8 pieces",
"UnitPrice": 12.5000,
"UnitsInStock": 6,
"UnitsOnOrder": 10,
"ReorderLevel": 15,
"Discontinued": false,
"Category": {
"CategoryID": 3,
"CategoryName": "Confections",
"Description": "Desserts, candies, and sweet breads"
}
}, {
"ProductID": 69,
"ProductName": "Gudbrandsdalsost",
"SupplierID": 15,
"CategoryID": 4,
"QuantityPerUnit": "10 kg pkg.",
"UnitPrice": 36.0000,
"UnitsInStock": 26,
"UnitsOnOrder": 0,
"ReorderLevel": 15,
"Discontinued": false,
"Category": {
"CategoryID": 4,
"CategoryName": "Dairy Products",
"Description": "Cheeses"
}
}, {
"ProductID": 70,
"ProductName": "Outback Lager",
"SupplierID": 7,
"CategoryID": 1,
"QuantityPerUnit": "24 - 355 ml bottles",
"UnitPrice": 15.0000,
"UnitsInStock": 15,
"UnitsOnOrder": 10,
"ReorderLevel": 30,
"Discontinued": false,
"Category": {
"CategoryID": 1,
"CategoryName": "Beverages",
"Description": "Soft drinks, coffees, teas, beers, and ales"
}
}, {
"ProductID": 71,
"ProductName": "Flotemysost",
"SupplierID": 15,
"CategoryID": 4,
"QuantityPerUnit": "10 - 500 g pkgs.",
"UnitPrice": 21.5000,
"UnitsInStock": 26,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 4,
"CategoryName": "Dairy Products",
"Description": "Cheeses"
}
}, {
"ProductID": 72,
"ProductName": "Mozzarella di Giovanni",
"SupplierID": 14,
"CategoryID": 4,
"QuantityPerUnit": "24 - 200 g pkgs.",
"UnitPrice": 34.8000,
"UnitsInStock": 14,
"UnitsOnOrder": 0,
"ReorderLevel": 0,
"Discontinued": false,
"Category": {
"CategoryID": 4,
"CategoryName": "Dairy Products",
"Description": "Cheeses"
}
}, {
"ProductID": 73,
"ProductName": "Röd Kaviar",
"SupplierID": 17,
"CategoryID": 8,
"QuantityPerUnit": "24 - 150 g jars",
"UnitPrice": 15.0000,
"UnitsInStock": 101,
"UnitsOnOrder": 0,
"ReorderLevel": 5,
"Discontinued": false,
"Category": {
"CategoryID": 8,
"CategoryName": "Seafood",
"Description": "Seaweed and fish"
}
}, {
"ProductID": 74,
"ProductName": "Longlife Tofu",
"SupplierID": 4,
"CategoryID": 7,
"QuantityPerUnit": "5 kg pkg.",
"UnitPrice": 10.0000,
"UnitsInStock": 4,
"UnitsOnOrder": 20,
"ReorderLevel": 5,
"Discontinued": false,
"Category": {
"CategoryID": 7,
"CategoryName": "Produce",
"Description": "Dried fruit and bean curd"
}
}, {
"ProductID": 75,
"ProductName": "Rhönbräu Klosterbier",
"SupplierID": 12,
"CategoryID": 1,
"QuantityPerUnit": "24 - 0.5 l bottles",
"UnitPrice": 7.7500,
"UnitsInStock": 125,
"UnitsOnOrder": 0,
"ReorderLevel": 25,
"Discontinued": false,
"Category": {
"CategoryID": 1,
"CategoryName": "Beverages",
"Description": "Soft drinks, coffees, teas, beers, and ales"
}
}, {
"ProductID": 76,
"ProductName": "Lakkalikööri",
"SupplierID": 23,
"CategoryID": 1,
"QuantityPerUnit": "500 ml",
"UnitPrice": 18.0000,
"UnitsInStock": 57,
"UnitsOnOrder": 0,
"ReorderLevel": 20,
"Discontinued": false,
"Category": {
"CategoryID": 1,
"CategoryName": "Beverages",
"Description": "Soft drinks, coffees, teas, beers, and ales"
}
}, {
"ProductID": 77,
"ProductName": "Original Frankfurter grüne Soße",
"SupplierID": 12,
"CategoryID": 2,
"QuantityPerUnit": "12 boxes",
"UnitPrice": 13.0000,
"UnitsInStock": 32,
"UnitsOnOrder": 0,
"ReorderLevel": 15,
"Discontinued": false,
"Category": {
"CategoryID": 2,
"CategoryName": "Condiments",
"Description": "Sweet and savory sauces, relishes, spreads, and seasonings"
}
}];
import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { GridDataResult } from '@progress/kendo-angular-grid';
import { toODataString } from '@progress/kendo-data-query';
import { Observable, BehaviorSubject } from 'rxjs';
import { map, tap } from 'rxjs/operators';
export abstract class NorthwindService extends BehaviorSubject<GridDataResult> {
public loading: boolean;
private BASE_URL = 'https://odatasampleservices.azurewebsites.net/V4/Northwind/Northwind.svc/';
constructor(
private http: HttpClient,
protected tableName: string
) {
super(null);
}
public query(state: any): void {
this.fetch(this.tableName, state)
.subscribe(x => super.next(x));
}
protected fetch(tableName: string, state: any): Observable<GridDataResult> {
const queryStr = `${toODataString(state)}&$count=true`;
this.loading = true;
return this.http
.get(`${this.BASE_URL}${tableName}?${queryStr}`)
.pipe(
map(response => (<GridDataResult>{
data: response['value'],
total: parseInt(response['@odata.count'], 10)
})),
tap(() => this.loading = false)
);
}
}
@Injectable()
export class ProductsService extends NorthwindService {
constructor(http: HttpClient) { super(http, 'Products'); }
public queryForCategory({ CategoryID }: { CategoryID: number }, state?: any): void {
this.query(Object.assign({}, state, {
filter: {
filters: [{
field: 'CategoryID', operator: 'eq', value: CategoryID
}],
logic: 'and'
}
}));
}
public queryForProductName(ProductName: string, state?: any): void {
this.query(Object.assign({}, state, {
filter: {
filters: [{
field: 'ProductName', operator: 'contains', value: ProductName
}],
logic: 'and'
}
}));
}
}
@Injectable()
export class CategoriesService extends NorthwindService {
constructor(http: HttpClient) { super(http, 'Categories'); }
queryAll(st?: any): Observable<GridDataResult> {
const state = Object.assign({}, st);
delete state.skip;
delete state.take;
return this.fetch(this.tableName, state);
}
}
Indicating Ongoing Data Operations
Loading indicators designate an ongoing data operation to the user. As of version 3.1.0, the Kendo UI Grid for Angular features a built-in loading indicator functionality.
To toggle the loading panel, set the loading attribute to true.
import { Component } from '@angular/core';
import { Observable } from 'rxjs';
import { CategoriesService } from './northwind.service';
import { State } from '@progress/kendo-data-query';
import {
GridDataResult,
DataStateChangeEvent
} from '@progress/kendo-angular-grid';
@Component({
selector: 'my-app',
template: `
<kendo-grid
[data]="view | async"
[loading]="view.loading"
[pageSize]="state.take"
[skip]="state.skip"
[sort]="state.sort"
[sortable]="true"
[pageable]="true"
[scrollable]="'none'"
(dataStateChange)="dataStateChange($event)"
>
<kendo-grid-column field="CategoryID" width="130"></kendo-grid-column>
<kendo-grid-column field="CategoryName" width="200"></kendo-grid-column>
<kendo-grid-column field="Description" [sortable]="false">
</kendo-grid-column>
</kendo-grid>
`
})
export class AppComponent {
public view: Observable<GridDataResult>;
public state: State = {
skip: 0,
take: 5
};
constructor(private service: CategoriesService) {
this.view = service;
this.service.query(this.state);
}
public dataStateChange(state: DataStateChangeEvent): void {
this.state = state;
this.service.query(state);
}
}
import { NgModule, enableProdMode } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { HttpClientModule } from '@angular/common/http';
import { GridModule } from '@progress/kendo-angular-grid';
import { AppComponent } from './app.component';
import { CategoriesService } from './northwind.service';
enableProdMode();
@NgModule({
imports: [ BrowserModule, BrowserAnimationsModule, GridModule, HttpClientModule ],
declarations: [ AppComponent ],
providers: [ CategoriesService ],
bootstrap: [ AppComponent ]
})
export class AppModule { }
import { enableProdMode } from '@angular/core';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { AppModule } from './app.module';
enableProdMode();
const platform = platformBrowserDynamic();
platform.bootstrapModule(AppModule);
import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { GridDataResult } from '@progress/kendo-angular-grid';
import { toODataString } from '@progress/kendo-data-query';
import { Observable, BehaviorSubject } from 'rxjs';
import { map, tap } from 'rxjs/operators';
export abstract class NorthwindService extends BehaviorSubject<GridDataResult> {
public loading: boolean;
private BASE_URL = 'https://odatasampleservices.azurewebsites.net/V4/Northwind/Northwind.svc/';
constructor(
private http: HttpClient,
protected tableName: string
) {
super(null);
}
public query(state: any): void {
this.fetch(this.tableName, state)
.subscribe(x => super.next(x));
}
protected fetch(tableName: string, state: any): Observable<GridDataResult> {
const queryStr = `${toODataString(state)}&$count=true`;
this.loading = true;
return this.http
.get(`${this.BASE_URL}${tableName}?${queryStr}`)
.pipe(
map(response => (<GridDataResult>{
data: response['value'],
total: parseInt(response['@odata.count'], 10)
})),
tap(() => this.loading = false)
);
}
}
@Injectable()
export class ProductsService extends NorthwindService {
constructor(http: HttpClient) { super(http, 'Products'); }
public queryForCategory({ CategoryID }: { CategoryID: number }, state?: any): void {
this.query(Object.assign({}, state, {
filter: {
filters: [{
field: 'CategoryID', operator: 'eq', value: CategoryID
}],
logic: 'and'
}
}));
}
public queryForProductName(ProductName: string, state?: any): void {
this.query(Object.assign({}, state, {
filter: {
filters: [{
field: 'ProductName', operator: 'contains', value: ProductName
}],
logic: 'and'
}
}));
}
}
@Injectable()
export class CategoriesService extends NorthwindService {
constructor(http: HttpClient) { super(http, 'Categories'); }
queryAll(st?: any): Observable<GridDataResult> {
const state = Object.assign({}, st);
delete state.skip;
delete state.take;
return this.fetch(this.tableName, state);
}
}