显示到Parent组件 来自Parent组件 : @ToChild@code{ [Parameter]privatestringToChild {get;set; } [Parameter] Action<string> FromChild {get;set; }privatestringinputText ="";privatevoidPassToParent() { FromChild(inputText); } } 这里FromChild是ChildComponent中的属性,属性使用Action<string>数据类型将...
@page "/cascade-auth-state" Cascade Auth State @authMessage @code { private string authMessage = "The user is NOT authenticated."; [CascadingParameter] private Task<AuthenticationState>? authenticationState { get; set; } protected override async Task OnInitializedAsync() { if (authenticationState...
Parameters = (IDictionary<string, object>)entry.Value; } else { throw new InvalidOperationException( $"{nameof(MDynamicComponent)} does not accept a parameter with the name '{entry.Name}'. To pass parameters to the dynamically-rendered component, use the '{nameof(Parameters)}' parameter.");...
就像我们对Counter页面所做的那样,通过添加一个带有 onclick 事件的按钮来更新 CurrentCounterValue 的值。 CurrentCounterValue in MyFirstComponent is @CurrentCounterValue Update @code { [Parameter] public int CurrentCounterValue { get; set; } void UpdateCurrentCounterValue...
@page "/route-parameter-2/{text?}" <PageTitle>Route Parameter 2</PageTitle> Route Parameter Example 2 Blazor is @Text! @code { [Parameter] public string? Text { get; set; } protected override void OnParametersSet() => Text = Text ?? "fantastic"; } When the OnInitialized{Async...
Pass data into a RenderFragment to give it context. Use a CascadingParameter to pass the parent TabControl component into its child TabPage components. Making the TabPage aware of its parent The first step is to create two components. One named TabControl and the other named TabPage. The Tab...
DynamicComponent有两个Parameter,一个是Type,表示的是要渲染的组件,另外一个是Parameters,表示渲染的组件的需要的参数。 此外,我们还可以通过DynamicComponent的Instance属性来直接访问被渲染的那个组件的实例: <DynamicComponent Type="@typeof({COMPONENT})" @ref="dc" /> Refresh @code { private DynamicComponent?
Use a CascadingParameter to pass the parent TabControl component into its child TabPage components. 下面看最终效果图: 实操开始: 请先创建一个Blazor项目(Blazor Client或者Server皆可,我们以Blazor Server为例), 第一步,创建两个组件:TabControl和TabPage。TabPage组件有一个父TabControl属性引用(属性名Parent,...
[Parameter] public string CurrentInterestValue { get; set; } = "6.8"; [Parameter] public EventCallback<string> CurrentInterestValueChanged { get; set; } async Task UpdateCurrentInterestValue() { switch (years) { case 1: CurrentInterestValue = "6.8"; break; case 2: CurrentInterestValue =...
@page "/pizzas/{pizzaname}" @inject NavigationManager NavManager Buy a Pizza I want to order a: @PizzaName Buy this pizza! @code { [Parameter] public string PizzaName { get; set; } private void NavigateToPaymentPage() { NavManager.NavigateTo("buypizza"...