如何在下拉列表中设置 angular (Select all )
How to set angular (Select all ) in side the dropdown
我正在尝试在我的 Angular 应用程序中开发一个下拉菜单。下拉列表是商店列表。当我 select 一家商店时,它将显示或(显示) shop.so 中的内容在这里,我想在下拉列表中的商店列表中添加一个新项目(项目是 ALL SHOP)..喜欢
这个
这里的数据(shopslists)是从数据库(angular with web api)
这是我的Ts代码
ngOnInit() {
this.Service.FetchPopulateOutlets().subscribe(outletsData => this.outletDetails = outletsData,
error => {
console.error(error);
this.statusMessage = "Problem with the service.Please try again after sometime";
});
onSelect(shopid: number) {
this.Service.FetchItemDetails(shopid, this.pageIndex).subscribe(itemsData => this.itemdetails = itemsData,
error => {
console.error(error);
this.statusMessage = "Problem with the service.Please try again after sometime";
});
这是我的HTML
<span>
<select class="formcontrol" name="outletDetail" (change)="onSelect($event.target.value)">
<option value="0" disabled>Select a Shop</option>
<option *ngFor="let outletDetail of outletDetails" value={{outletDetail.ShopID}}>{{outletDetail.ShopName}}</option>
</select>
ngOnInit() {
this.Service.FetchPopulateOutlets().subscribe(outletsData => {
let allShops = {
ShopName: 'All',
ShopID: 0
}
this.outletDetails = [allShops,...outletsData];
}, error => {
console.error(error);
this.statusMessage = "Problem with the service.Please try again after sometime";
});
onSelect(shopid: number) {
if (shopId == 0) {
"Insert your logic here"
}
this.Service.FetchItemDetails(shopid, this.pageIndex).subscribe(itemsData => this.itemdetails = itemsData,
error => {
console.error(error);
this.statusMessage = "Problem with the service.Please try again after sometime";
});
}
我正在尝试在我的 Angular 应用程序中开发一个下拉菜单。下拉列表是商店列表。当我 select 一家商店时,它将显示或(显示) shop.so 中的内容在这里,我想在下拉列表中的商店列表中添加一个新项目(项目是 ALL SHOP)..喜欢 这个
这是我的Ts代码
ngOnInit() {
this.Service.FetchPopulateOutlets().subscribe(outletsData => this.outletDetails = outletsData,
error => {
console.error(error);
this.statusMessage = "Problem with the service.Please try again after sometime";
});
onSelect(shopid: number) {
this.Service.FetchItemDetails(shopid, this.pageIndex).subscribe(itemsData => this.itemdetails = itemsData,
error => {
console.error(error);
this.statusMessage = "Problem with the service.Please try again after sometime";
});
这是我的HTML
<span>
<select class="formcontrol" name="outletDetail" (change)="onSelect($event.target.value)">
<option value="0" disabled>Select a Shop</option>
<option *ngFor="let outletDetail of outletDetails" value={{outletDetail.ShopID}}>{{outletDetail.ShopName}}</option>
</select>
ngOnInit() {
this.Service.FetchPopulateOutlets().subscribe(outletsData => {
let allShops = {
ShopName: 'All',
ShopID: 0
}
this.outletDetails = [allShops,...outletsData];
}, error => {
console.error(error);
this.statusMessage = "Problem with the service.Please try again after sometime";
});
onSelect(shopid: number) {
if (shopId == 0) {
"Insert your logic here"
}
this.Service.FetchItemDetails(shopid, this.pageIndex).subscribe(itemsData => this.itemdetails = itemsData,
error => {
console.error(error);
this.statusMessage = "Problem with the service.Please try again after sometime";
});
}