Код: Выделить всё
public ValueTask DisposeAsync()
{
ViewModel.PropertyChanged -= OnPropertyChangedHandler;
GC.SuppressFinalize(this);
return JSRuntime.InvokeVoidAsync("deInitializeDropZone");
}
Код: Выделить всё
fail: Microsoft.AspNetCore.Server.Kestrel[13]
Connection id "0HMI59N5RRGP7", Request id "0HMI59N5RRGP7:0000000E": An unhandled exception was thrown by the application.
System.InvalidOperationException: JavaScript interop calls cannot be issued at this time. This is because the component is being statically rendered. When prerendering is enabled, JavaScript interop calls can only be performed during the OnAfterRenderAsync lifecycle method.
at Microsoft.AspNetCore.Components.Server.Circuits.RemoteJSRuntime.BeginInvokeJS(Int64 asyncHandle, String identifier, String argsJson, JSCallResultType resultType, Int64 targetInstanceId)
at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, CancellationToken cancellationToken, Object[] args)
at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
at Microsoft.AspNetCore.Components.RenderTree.Renderer.c__DisplayClass69_0.d.MoveNext()
--- End of stack trace from previous location ---
at Microsoft.AspNetCore.Components.Rendering.HtmlRenderer.HandleException(Exception exception)
at Microsoft.AspNetCore.Components.RenderTree.Renderer.c__DisplayClass69_0.g__NotifyExceptions|2(List`1 exceptions)
at Microsoft.AspNetCore.Components.RenderTree.Renderer.c__DisplayClass69_0.d.MoveNext()
--- End of stack trace from previous location ---
at Microsoft.AspNetCore.Components.RenderTree.Renderer.DisposeAsync()
at Microsoft.Extensions.DependencyInjection.ServiceLookup.ServiceProviderEngineScope.g__Await|22_0(Int32 i, ValueTask vt, List`1 toDispose)
at Microsoft.AspNetCore.Http.Features.RequestServicesFeature.g__Awaited|9_0(RequestServicesFeature servicesFeature, ValueTask vt)
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpProtocol.g__ProcessEvents|227_0(HttpProtocol protocol, Stack`1 events)
warn: Microsoft.AspNetCore.Components.Server.Circuits.RemoteRenderer[100]
Unhandled exception rendering component: JavaScript interop calls cannot be issued at this time. This is because the circuit has disconnected and is being disposed.
Microsoft.JSInterop.JSDisconnectedException: JavaScript interop calls cannot be issued at this time. This is because the circuit has disconnected and is being disposed.
at Microsoft.AspNetCore.Components.Server.Circuits.RemoteJSRuntime.BeginInvokeJS(Int64 asyncHandle, String identifier, String argsJson, JSCallResultType resultType, Int64 targetInstanceId)
at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, CancellationToken cancellationToken, Object[] args)
at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
at Microsoft.AspNetCore.Components.RenderTree.Renderer.c__DisplayClass69_0.d.MoveNext()
fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
Unhandled exception in circuit 'blLlOrw1UtfEHUoPBbO_N3peh7u3Or5Uk51p5RbR5xA'.
Microsoft.JSInterop.JSDisconnectedException: JavaScript interop calls cannot be issued at this time. This is because the circuit has disconnected and is being disposed.
at Microsoft.AspNetCore.Components.Server.Circuits.RemoteJSRuntime.BeginInvokeJS(Int64 asyncHandle, String identifier, String argsJson, JSCallResultType resultType, Int64 targetInstanceId)
at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, CancellationToken cancellationToken, Object[] args)
at Microsoft.JSInterop.JSRuntime.InvokeAsync[TValue](Int64 targetInstanceId, String identifier, Object[] args)
at Microsoft.JSInterop.JSRuntimeExtensions.InvokeVoidAsync(IJSRuntime jsRuntime, String identifier, Object[] args)
at Microsoft.AspNetCore.Components.RenderTree.Renderer.c__DisplayClass69_0.d.MoveNext()
Я не совсем уверен, в чем причина ибо эта проблема есть. Возможно, это также может относиться к инициализации, которая происходит после первого рендеринга:
Код: Выделить всё
protected override async Task OnAfterRenderAsync(bool firstRender)
{
if (firstRender)
{
var authState = await AuthenticationStateTask;
var user = authState.User;
if (user.Identity.IsAuthenticated)
{
if (await ViewModel.LoadSelectedDatabase(DatasetID))
{
await JSRuntime.InvokeVoidAsync("initializeDropZone");
}
else
{
await JSRuntime.InvokeVoidAsync("alert", "The selected Dataset does not exist!");
NavigationManager.NavigateTo($"datasets");
}
}
}
await base.OnAfterRenderAsync(firstRender);
return;
}
Изменить. p>
Редактирование №2: я также включил функцию JS:
Код: Выделить всё
public ValueTask DisposeAsync()
{
ViewModel.PropertyChanged -= OnPropertyChangedHandler;
GC.SuppressFinalize(this);
return JSRuntime.InvokeVoidAsync("console.log", "testilein");
//return JSRuntime.InvokeVoidAsync("deInitializeDropZone");
}
Подробнее здесь: https://stackoverflow.com/questions/724 ... tion-javas