MessageService.Show("A！", MessageType.Error);
            MessageService.Show("B！", MessageType.Error);
            MessageService.Show("C！", MessageType.Error);
            MessageService.Show("D！", MessageType.Error);
            MessageService.Show("E！", MessageType.Error);

@page "/Search"
@inject DialogService DialogService
<BButton OnClick="showdialog">open</BButton>
<h1>Hello, world!</h1>
Welcome to your new app.
@code{
    async void showdialog()
    {
        await DialogService.ShowDialogAsync<Component, int>("title", new Dictionary<string, object>());
    }
}

<h3>Component</h3>

fail: Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost[111]
      Unhandled exception in circuit 'Pb37cme57SCa5nzkzs7oH0nCXLzOzKcuv42M6CsuBO4'.
System.NullReferenceException: Object reference not set to an instance of an object.
   at Blazui.Component.DialogService.ShowDialogAsync[TResult](Object typeOrRender, String title, Single width, IDictionary`2 parameters)
   at Blazui.Component.DialogService.ShowDialogAsync[TComponent,TResult](String title, Single width, IDictionary`2 parameters)
   at Blazui.Component.DialogService.ShowDialogAsync[TComponent,TResult](String title, IDictionary`2 parameters)
   at Wistd.StockControl.WebSite.Pages.Search.Index.showdialog() in D:\WiStd\StockControl\Wistd.StockControl.WebSite\Pages\Search\Index.razor:line 9
   at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__139_0(Object state)
   at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(TaskCompletionSource`1 completion, SendOrPostCallback d, Object state)
   at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.<>c.<.cctor>b__23_0(Object state)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
--- End of stack trace from previous location where exception was thrown ---
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteBackground(WorkItem item)

            try
            {
                await DialogService.ShowDialogAsync<MessageBoxComponent, int>("添加员工向导", new Dictionary<string, object>() { { "Message", "新创建的员工密码为默认密码：123456，系统会在用户首次登录时提醒员工修改密码。" }, { "OkTitle", "开始创建" } });
            }
            catch { goto cancel; }
            string name;
            try
            {
                name = (await DialogService.ShowDialogAsync<InputComponent, string>("添加员工 1/2 - 设置员工名", new Dictionary<string, object>() { { "Title", "员工名" } })).Result;
            }
            catch { goto cancel; }
            Shop shop;
            try
            {
                shop = (await DialogService.ShowDialogAsync<SearchShopComponent, Shop>("添加员工 2/2 - 选择所属分店", new Dictionary<string, object>())).Result;
            }
            catch { goto cancel; }
            NavigationManager.NavigateTo(NavigationManager.Uri, true);

@page "/"
@code{
    class A{public string AA { get; set; }}
    protected int pageSize = 5;
    protected int currentPage = 1;
    protected BTable table;
    List<A> AllDatas = new List<A>();
    List<A> Datas = new List<A>();
    int CurrentPage
    {
        get => currentPage;
        set
        {
            currentPage = value;
            Datas = AllDatas.Skip((currentPage - 1) * pageSize).Take(pageSize).ToList();
        }
    }
    protected override void OnInitialized()
    {
        for (int i = 0; i < 100; i++)
        {
            AllDatas.Add(new A() { AA = i.ToString() });
        }
        CurrentPage = 1;
    }
}
<BTable DataSource="Datas" Total="AllDatas.Count" @bind-CurrentPage="CurrentPage" PageSize="pageSize" @ref="table" />
<BButton OnClick="()=> { pageSize = 10;table.MarkAsRequireRender();CurrentPage = 1;}"> BTN</BButton>

 public async Task<DialogResult> ShowFullScreenDialogAsync<TComponent>(string title, IDictionary<string, object> parameters)
            where TComponent : ComponentBase
        {
            var taskCompletionSource = new TaskCompletionSource<DialogResult>();
            var option = new DialogOption()
            {
                Content = typeof(TComponent),
                IsDialog = true,
                Title = title,
                Width = 0,
                FullScreen = true,
                Parameters = parameters,
                TaskCompletionSource = taskCompletionSource,

            };
            ShowDialog(option);
            return await taskCompletionSource.Task;
        }