‫جلوگیری از دوباره اجرا شدن ناخواسته‌ی متدهای نامتقارن در Blazor

<button disabled="@_busy" Value="do-stuff" />
code{
private bool _busy = false;
public async Task Handler()
{ if(_busy) return; _busy = true; try { // do your thing } finally { _busy = false; }
}
}

<EditForm Model="Model" OnValidSubmit="HandleValidSubmit"> @ChildContent?.Invoke(context) <button disabled="@_busy">Submit</button>
</EditForm>
@code { private bool _busy; [Parameter] public object? Model { get; set; } [Parameter] public EventCallback<EditContext> OnValidSubmit { get; set; } [Parameter] public RenderFragment<EditContext>? ChildContent { get; set; } private async Task HandleValidSubmit(EditContext editContext) { if (_busy) return; _busy = true; try { await OnValidSubmit.InvokeAsync(editContext); } finally { _busy = false; } }
}

<HandleValidSubmitForm Model="_customer" OnValidSubmit="HandleValidSubmit"> <InputText @bind-Value="_customer.FirstName" /> <InputText @bind-Value="_customer.LastName" />
</HandleValidSubmitForm>
@code { private Customer _customer = new Customer(); private async Task HandleValidSubmit() { // do your thing } public class Customer { public string? FirstName { get; set; } public string? LastName { get; set; } }
}