组件继承OwningComponentBase。 AuthenticationStateProvider注入并传递给ExampleService.ExampleMethod。 使用ExampleService和OwningComponentBase.ScopedServices解析GetRequiredService,这会返回在用户线路的生存期内存在的正确且初始化的ExampleS
将ProcessError组件指定为CascadingParameter块中的@code。 在基于Counter项目模板的应用的示例 Blazor 组件中,添加以下ProcessError属性: C# [CascadingParameter]publicProcessError? ProcessError {get;set; } 使用适当的异常类型在任何catch块中调用错误处理方法。 该示例ProcessError组件只提供了一个LogError方法,但错误...
using Microsoft.AspNetCore.Components; using Microsoft.AspNetCore.Components.Forms; namespace BlazorSample; public class CustomValidation : ComponentBase { private ValidationMessageStore? messageStore; [CascadingParameter] private EditContext? CurrentEditContext { get; set; } protected override void OnInitia...
Windows 窗体:Microsoft.AspNetCore.Components.WebView.WindowsForms.RootComponent 以下示例将一个视图模型传递给根组件,根组件进一步将视图模型作为级联类型传递给应用的 Blazor 部分中的 Razor 组件。 该示例基于 .NET MAUI 文档中的键盘示例: 数据绑定和 MVVM:命令(.NET MAUI 文档):使用键盘示例解释 MVVM 的数据绑...
在解决方案添加Blazor WebApp项目WebAppOidc,身份验证类型=无,呈现模式=Auto(Server and WebAssemby),interactive location=per page/component(注意不要选global,否则很多文件位置会有变化)。 修改WebAppOidc.Client客户端项目 WebAppOidc.Client客户端项目NuGet安装id4认证相关的库。
MyComponent.razor <DxTextBox Text="Value" TextChanged="OnTextChanged" TextExpression="@ValueExpression" InputId=@InputId /> @code { [EditorRequired][Parameter] public string InputId { get; set; } = ""; [Parameter] public string? Value { get; set; } [Parameter] public EventCallback<...
支持该事件的 HTML 标签： ,, <textarea> 支持该事件的JavaScript 对象： fileUpload, select, text...
Because you provide the search method to the component, making a remote call is really straight-forward. In this example, theDebounceparameter has been upped to 500ms and theNotFoundTemplatehas been specified. It is common to want to be able to know when a value bound to the Typeahead cha...
The return value for a function is specified after a colon, at the end of the parameter list.Recall from Part 3 of my “Quantum Computation Primer” (tinyurl.com/controlledgates) that controlled-U gates allow you to add a control input for an arbitrary quantum gate. Q# has a Controlled ...
For example, you could update the TabComponent route to be something like @page /tab/{tabName?}/{viewName?} and then render the correct tab based on tabName and the correct view from the TreeViewComponent using viewName, which you pass in using a component parameter. We do have an ...