Angular 剑道角度下拉列表不显示默认项
我有一个关于angular的剑道下拉列表,如下所示:Angular 剑道角度下拉列表不显示默认项,angular,kendo-ui,kendo-ui-angular2,Angular,Kendo Ui,Kendo Ui Angular2,我有一个关于angular的剑道下拉列表,如下所示: <kendo-dropdownlist style="padding: 0.25em;" [defaultItem]="'defaultItem'"[data]="turlist" [(ngModel)]="selectedValue" textField="turbine_name" valueField="turID&quo
<kendo-dropdownlist style="padding: 0.25em;" [defaultItem]="'defaultItem'"[data]="turlist" [(ngModel)]="selectedValue" textField="turbine_name"
valueField="turID" >
</kendo-dropdownlist>
但是当我的dropdownlist绑定时,它不会显示“选择项…”尝试删除单引号
[defaultItem]=“defaultItem”
=>[defaultItem]=“defaultItem”
如果有效,考虑接受答案。
:)请仔细阅读
如果您想在HTML中使用剑道下拉列表
,如下所示:
<kendo-dropdownlist
style="padding: 0.25em;"
[defaultItem]="defaultItem"
[data]="turlist"
[(ngModel)]="selectedValue"
[textField]="'turbine_name'"
[valueField]="'turID'" >
</kendo-dropdownlist>
<kendo-dropdownlist
style="padding: 0.25em;"
[defaultItem]="defaultItem"
[data]="turlist"
[(ngModel)]="selectedValue"
[textField]="'turbine_name'"
[valueField]="'turID'" >
</kendo-dropdownlist>
public defaultItem: { turbine_name: string, turID: number } = { turbine_name: "Select item...", turID: null };