@page "/users/{id}/edit" @using Microsoft.AspNetCore.Authorization @attribute [Authorize(Policy = "EditUser")] Edit User The "EditUser" policy is satisfied! Id starts with 'EMP'. @code { [Parameter] public string? Id { get; set; } } 使用Router 元件來自訂未經授權的內容 如有下列...
@page "/call-js-2" @inject IJSRuntime JS <PageTitle>Call JS 2</PageTitle> Call JS Example 2 Set Stock @if (stockSymbol is not null) { @stockSymbol price: @price.ToString("c") } @code { private string? stockSymbol; private decimal price; private async...
复杂类型也可以作为参数值传递给HTML属性和Blazor组件的[parameter]属性。 当将非简单值作为表达式传递给HTML属性时,Blazor将使用ValuePassed.ToString()呈现该值; 当该值被传递给Blazor组件的[Parameter]属性时,对象本身也被传递。 使用下面的Person类举个例子: public class Person { public string Salutation { get;...
如果使用者的方法通过标准的.Net事件Action<T>或任何其他不是由EventCallback<T>发起的方法回调,则不会发生这种情况。 例如,如果我们向Counter组件的Action<int>类型的属性添加一个新的[Parameter],并在当前计数为2的倍数时调用它,我们可以看到消费组件的呈现行为是如何受到影响的。 @page "/counter" Counter Curren...
[Parameter] public int MessageId { get; set; } [Parameter] public string Text { get; set; } [Parameter] public EventCallback<string> TextChanged { get; set; } [Parameter] public Theme CurrentTheme { get; set; } public override Task SetParametersAsync(ParameterView parameters) ...
@page "/" Log username @_authMessage @code { [CascadingParameter] private Task<AuthenticationState> authenticationStateTask { get; set; } private string _authMessage; private async Task LogUsername() { var authState = await authenticationStateTask; var ...
https://learn.microsoft.com/zh-cn/aspnet/core/blazor/javascript-interoperability/call-javascript-from-dotnet?view=aspnetcore-7.0#javascript-isolation-in-javascript-modules 网上有大佬写了隔离方案操作JavaScript的Blazor组件,我把大佬的代码拿过来简化一下,用于MAUI Blazor项目。感谢大佬无私奉献。
In the example above, the component is setup with the minimum requirements. You must provide a method which has the following signatureTask<IEnumerable<T> MethodName(string searchText), to theSearchMethodparameter. The control will call this method with the current search text everytime the deboun...
/// EditContext - cascaded from EditForm [CascadingParameter] public EditContext EditContext { get; set; } /// EventCallback for parent to link into for Edit State Change Events /// passes the current Dirty state [Parameter] public EventCallback<bool> EditStateChanged { get; set; } //...
Set's the element's title (title) from thetitleparameter and sets the element's source (src) from the created object URL. To prevent memory leaks, the function callsrevokeObjectURLto dispose of the object URL after the element loads the resource (loadevent). ...