To cascade multiple values of the same type within the same subtree, provide a unique Name string to each CascadingValue component and their corresponding [CascadingParameter] attributes.In the following example, two CascadingValue components cascade different instances of CascadingType:...
Multiple Cascading Parameters You may have noticed in the example above that there wasn’t any way of identifying the cascading value. The FooComponent just declares a property as a [CascadingParameter] and the value gets set. Which is fine when there is only one cascading parameter. But what...
app.MapBlazorHub(options => { options.{OPTION} = {VALUE}; }); 使用AddInteractiveServerRenderMode 配置MapBlazorHub 使用的中心失败,并显示 AmbiguousMatchException: Microsoft.AspNetCore.Routing.Matching.AmbiguousMatchException: The request matched multiple endpoints. 要解决面向 .NET 8 的应用的问题,请...
Provides an option to create multiple cascading combo boxes in Blazor, which helps users populate data for a child combo box based on the current selected value of the parent combo box. How to configure cascading combo boxes in Blazor?
app.MapBlazorHub(options => { options.{OPTION} = {VALUE}; }); 使用AddInteractiveServerRenderMode 配置MapBlazorHub 使用的中心失败,并显示 AmbiguousMatchException: Microsoft.AspNetCore.Routing.Matching.AmbiguousMatchException: The request matched multiple endpoints. 要解决面向 .NET 8 的应用的问题,请...
In a Blazor WebAssembly application (which only has a single thread) there are no threading problems, but in server-side applications, this can cause problems when using a non-thread-safe dependency across multiple components. This issue will be addressed in the section on OwningComponentBase....
multiple="@Multiple" required="@Required" selectedOptions="@(SelectedOptions != null && SelectedOptions.Any() ? string.Join(',', SelectedOptions.Select(i => GetOptionValue(i))) : null)" @onchange="@OnChangedHandlerAsync" @attributes="AdditionalAttributes"> Expand Down 3 changes: 2 addit...
to display the pizzas by rendering a child component for each pizza. Now, you want to pass an ID to that child component that determines the pizza it will display. You also want to store and display a value on multiple components that shows the total number of pizzas you...
NetLearner is an ASP .NET Core web app to allow any user to consolidate multiple learning resources all under one umbrella. The codebase itself is a way for new/existing .NET developers to learn ASP .NET Core, while a deployed instance of NetLearner can be used as a curated link-sharing...
The AuthorizeRouteView component also sets up the AuthenticationState as a cascading value if there isn’t one already. Otherwise, you can still manually setup the AuthenticationState as a cascading value using the CascadingAuthenticationState component. Copy <Router AppAssembly="@typeof(Program)....