<system.webServer>
...
<security>
<requestFiltering removeServerHeader ="true" />
</security>
...
</system.webServer> <input @bind="username" /> <InputText @bind-Value="Model.Name" />
RZ10008 The attribute 'onchange' is used two or more times for this element. Attributes must be unique (case-insensitive). The attribute 'onchange' is used by the '@bind' directive attribute.
<input value="@username" @onchange="CheckUsername" />
<InputText Value="@Model.Name" ValueExpression="()=>Model.Name" ValueChanged="(string s)=>CheckUsername(s)" /> <ValidationMessage For="() => Model.Name" />
<input @bind="username" @bind:after="CheckUsername" />
<InputText @bind-Value="Model.Name" @bind-Value:after="CheckUsername" /> <ValidationMessage For="() => Model.Name" />
async Task CheckUsername()
{
if (!string.IsNullOrWhiteSpace(Model.Name))
{
_messageStore?.Clear(EditContext.Field(nameof(UserDto.Name)));
var response = await HttpClient.PostAsJsonAsync(
UserValidationUrl,
new UserDto { Name = Model.Name });
var responseContent = await response.Content.ReadAsStringAsync();
if (string.Equals(responseContent, "false", StringComparison.OrdinalIgnoreCase))
{
_messageStore?.Add(EditContext.Field(nameof(UserDto.Name)),
$"`{Model.Name}` is in use. Please choose another name.");
}
EditContext.NotifyValidationStateChanged();
}
} | وضعیت پشتیبانی از TLS 1.2 | نگارش دات نت |
| پشتیبانی نمی‌شود. راه حلی هم ندارد. | NET 3.5. یا قبل از آن |
پشتیبانی نمی‌شود. اما اگر نگارش بالاتری نصب است، قطعه کد زیر را استفاده کنید:ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072; | NET 4.0. |
پشتیبانی می‌شود، اما حالت پیش‌فرض نیست و باید دستی انتخاب شود:ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12; | NET 4.5. |
| حالت پیش‌فرض است و نیاز به تنظیمات خاصی ندارد. | NET 4.6. و یا بالاتر |
dotnet new blazor --interactivity Server
dotnet new blazor --interactivity WebAssembly
dotnet new blazor --interactivity Auto
dotnet new blazor --interactivity None
var builder = WebApplication.CreateBuilder(args);
builder.Services.AddRazorComponents().AddInteractiveServerComponents();
var app = builder.Build();
if (!app.Environment.IsDevelopment())
{
app.UseExceptionHandler("/Error", createScopeForErrors: true);
app.UseHsts();
}
app.UseHttpsRedirection();
app.UseStaticFiles();
app.UseAntiforgery();
app.MapRazorComponents<App>().AddInteractiveServerRenderMode();
app.Run(); @page "/counter"
@rendermode InteractiveServer
<PageTitle>Counter</PageTitle>
<h1>Counter</h1>
<p role="status">Current count: @currentCount</p>
<button class="btn btn-primary" @onclick="IncrementCount">Click me</button>
@code {
private int currentCount = 0;
private void IncrementCount()
{
currentCount++;
}
} @rendermode InteractiveServerRenderModeWithoutPrerendering
@code{
static readonly IComponentRenderMode InteractiveServerRenderModeWithoutPrerendering =
new InteractiveServerRenderMode(false);
} <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<base href="/" />
<link rel="stylesheet" href="bootstrap/bootstrap.min.css" />
<link rel="stylesheet" href="app.css" />
<link rel="stylesheet" href="MyApp.styles.css" />
<link rel="icon" type="image/png" href="favicon.png" />
<HeadOutlet />
</head>
<body>
<Routes />
<script src="_framework/blazor.web.js"></script>
</body>
</html> <HeadOutlet @rendermode="@InteractiveServer" /> ... <Routes @rendermode="@InteractiveServer" />
@page "/weather"
@attribute [StreamRendering(prerender: true)]
<PageTitle>Weather</PageTitle>
<h1>Weather</h1>
<p>This component demonstrates showing data.</p>
@if (_forecasts == null)
{
<p>
<em>Loading...</em>
</p>
}
else
{
<table class="table">
<thead>
<tr>
<th>Date</th>
<th>Temp. (C)</th>
<th>Temp. (F)</th>
<th>Summary</th>
</tr>
</thead>
<tbody>
@foreach (var forecast in _forecasts)
{
<tr>
<td>@forecast.Date.ToShortDateString()</td>
<td>@forecast.TemperatureC</td>
<td>@forecast.TemperatureF</td>
<td>@forecast.Summary</td>
</tr>
}
</tbody>
</table>
}
@code {
private List<WeatherForecast>? _forecasts;
protected override async Task OnInitializedAsync()
{
// Simulate asynchronous loading to demonstrate streaming rendering
await Task.Delay(500);
var startDate = DateOnly.FromDateTime(DateTime.Now);
var summaries = new[]
{
"Freezing",
"Bracing",
"Chilly",
"Cool",
"Mild",
"Warm",
"Balmy",
"Hot",
"Sweltering",
"Scorching",
};
_forecasts = GetWeatherForecasts(startDate, summaries).ToList();
StateHasChanged();
// Simulate asynchronous loading to demonstrate streaming rendering
await Task.Delay(1000);
_forecasts.AddRange(GetWeatherForecasts(startDate, summaries));
StateHasChanged();
await Task.Delay(1000);
_forecasts.AddRange(GetWeatherForecasts(startDate, summaries));
}
private static IEnumerable<WeatherForecast> GetWeatherForecasts(DateOnly startDate, string[] summaries)
{
return Enumerable.Range(1, 5)
.Select(index => new WeatherForecast
{
Date = startDate.AddDays(index),
TemperatureC = Random.Shared.Next(-20, 55),
Summary = summaries[Random.Shared.Next(summaries.Length)],
});
}
private class WeatherForecast
{
public DateOnly Date { get; set; }
public int TemperatureC { get; set; }
public string? Summary { get; set; }
public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
}
} @using static Microsoft.AspNetCore.Components.Web.RenderMode
@attribute [RenderModeInteractiveServer]
@rendermode InteractiveServer
@rendermode renderMode
@code {
static IComponentRenderMode renderMode = new InteractiveWebAssemblyRenderMode(prerender: false);
} برای دات نت آن در اینجا
