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This commit is contained in:
Yevgeniy Ulyantsev
2025-07-17 15:38:06 +03:00
parent 7097e57b56
commit a339ae3e5a
35 changed files with 1034 additions and 4 deletions
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19
BlazorApp1/Components/Pages/Counter.razor Normal file
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@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++;
}
}

36
BlazorApp1/Components/Pages/Error.razor Normal file
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@page "/Error"
@using System.Diagnostics
<PageTitle>Error</PageTitle>
<h1 class="text-danger">Error.</h1>
<h2 class="text-danger">An error occurred while processing your request.</h2>
@if (ShowRequestId)
{
<p>
<strong>Request ID:</strong> <code>@RequestId</code>
</p>
}
<h3>Development Mode</h3>
<p>
Swapping to <strong>Development</strong> environment will display more detailed information about the error that occurred.
</p>
<p>
<strong>The Development environment shouldn't be enabled for deployed applications.</strong>
It can result in displaying sensitive information from exceptions to end users.
For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
and restarting the app.
</p>
@code{
[CascadingParameter]
private HttpContext? HttpContext { get; set; }
private string? RequestId { get; set; }
private bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
protected override void OnInitialized() =>
RequestId = Activity.Current?.Id ?? HttpContext?.TraceIdentifier;
}

7
BlazorApp1/Components/Pages/Home.razor Normal file
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@page "/"
<PageTitle>Home</PageTitle>
<h1>Hello, world!</h1>
Welcome to your new app.

54
BlazorApp1/Components/Pages/LotteryTicketPages/Create.razor Normal file
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@page "/lotterytickets/create"
@inject BlazorApp1.Data.BlazorApp1Context DB
@using Services.Tickets.Models
@inject NavigationManager NavigationManager
<PageTitle>Create</PageTitle>
<h1>Create</h1>
<h4>LotteryTicket</h4>
<hr />
<div class="row">
<div class="col-md-4">
@* <EditForm method="post" Model="LotteryTicket" OnValidSubmit="AddLotteryTicket" FormName="create" Enhance>
<DataAnnotationsValidator />
<ValidationSummary class="text-danger" />
<div class="mb-3">
<label for="numbers" class="form-label">Numbers:</label>
<InputText id="numbers" @bind-Value="LotteryTicket.Numbers" class="form-control" />
<ValidationMessage For="() => LotteryTicket.Numbers" class="text-danger" />
</div>
<div class="mb-3">
<label for="owner" class="form-label">Owner:</label>
<InputText id="owner" @bind-Value="LotteryTicket.Owner" class="form-control" />
<ValidationMessage For="() => LotteryTicket.Owner" class="text-danger" />
</div>
<div class="mb-3">
<label for="phonenumber" class="form-label">PhoneNumber:</label>
<InputText id="phonenumber" @bind-Value="LotteryTicket.PhoneNumber" class="form-control" />
<ValidationMessage For="() => LotteryTicket.PhoneNumber" class="text-danger" />
</div>
<button type="submit" class="btn btn-primary">Create</button>
</EditForm>
*@
</div>
</div>
<div>
<a href="/lotterytickets">Back to List</a>
</div>
@code {
[SupplyParameterFromForm]
public LotteryTicket LotteryTicket { get; set; } = new();
// To protect from overposting attacks, see https://aka.ms/RazorPagesCRUD
public async Task AddLotteryTicket()
{
DB.LotteryTicket.Add(LotteryTicket);
await DB.SaveChangesAsync();
NavigationManager.NavigateTo("/lotterytickets");
}
}

61
BlazorApp1/Components/Pages/LotteryTicketPages/Delete.razor Normal file
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@page "/lotterytickets/delete"
@inject BlazorApp1.Data.BlazorApp1Context DB
@using Services.Tickets.Models
@inject NavigationManager NavigationManager
@using Microsoft.EntityFrameworkCore
<PageTitle>Delete</PageTitle>
<h1>Delete</h1>
<h3>Are you sure you want to delete this?</h3>
<div>
<h4>LotteryTicket</h4>
<hr />
@if (lotteryticket is null)
{
<p><em>Loading...</em></p>
}
else {
<dl class="row">
<dt class="col-sm-2">Numbers</dt>
<dd class="col-sm-10">@lotteryticket.Numbers</dd>
</dl>
<dl class="row">
<dt class="col-sm-2">Owner</dt>
<dd class="col-sm-10">@lotteryticket.Owner</dd>
</dl>
<dl class="row">
<dt class="col-sm-2">PhoneNumber</dt>
<dd class="col-sm-10">@lotteryticket.PhoneNumber</dd>
</dl>
<EditForm method="post" Model="lotteryticket" OnValidSubmit="DeleteLotteryTicket" FormName="delete" Enhance>
<button type="submit" class="btn btn-danger" disabled="@(lotteryticket is null)">Delete</button> |
<a href="/lotterytickets">Back to List</a>
</EditForm>
}
</div>
@code {
LotteryTicket? lotteryticket;
[SupplyParameterFromQuery]
public long? Id { get; set; }
protected override async Task OnInitializedAsync()
{
lotteryticket = await DB.LotteryTicket.FirstOrDefaultAsync(m => m.Id == Id);
if (lotteryticket is null)
{
NavigationManager.NavigateTo("notfound");
}
}
public async Task DeleteLotteryTicket()
{
DB.LotteryTicket.Remove(lotteryticket!);
await DB.SaveChangesAsync();
NavigationManager.NavigateTo("/lotterytickets");
}
}

49
BlazorApp1/Components/Pages/LotteryTicketPages/Details.razor Normal file
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@page "/lotterytickets/details"
@inject BlazorApp1.Data.BlazorApp1Context DB
@using Services.Tickets.Models
@inject NavigationManager NavigationManager
@using Microsoft.EntityFrameworkCore
<PageTitle>Details</PageTitle>
<h1>Details</h1>
<div>
<h4>LotteryTicket</h4>
<hr />
@if (lotteryticket is null)
{
<p><em>Loading...</em></p>
}
else {
<dl class="row">
<dt class="col-sm-2">Numbers</dt>
<dd class="col-sm-10">@lotteryticket.Numbers</dd>
<dt class="col-sm-2">Owner</dt>
<dd class="col-sm-10">@lotteryticket.Owner</dd>
<dt class="col-sm-2">PhoneNumber</dt>
<dd class="col-sm-10">@lotteryticket.PhoneNumber</dd>
</dl>
<div>
<a href="@($"/lotterytickets/edit?id={lotteryticket.Id}")">Edit</a> |
<a href="@($"/lotterytickets")">Back to List</a>
</div>
}
</div>
@code {
LotteryTicket? lotteryticket;
[SupplyParameterFromQuery]
public long? Id { get; set; }
protected override async Task OnInitializedAsync()
{
lotteryticket = await DB.LotteryTicket.FirstOrDefaultAsync(m => m.Id == Id);
if (lotteryticket is null)
{
NavigationManager.NavigateTo("notfound");
}
}
}

96
BlazorApp1/Components/Pages/LotteryTicketPages/Edit.razor Normal file
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@page "/LotteryTickets/edit"
@inject BlazorApp1.Data.BlazorApp1Context DB
@using Services.Tickets.Models
@inject NavigationManager NavigationManager
@using Microsoft.EntityFrameworkCore
<PageTitle>Edit</PageTitle>
<h1>Edit</h1>
<h4>LotteryTicket</h4>
<hr />
@if (LotteryTicket is null)
{
<p><em>Loading...</em></p>
}
else
{
<div class="row">
<div class="col-md-4">
<EditForm method="post" Model="LotteryTicket" OnValidSubmit="UpdateLotteryTicket" FormName="edit" Enhance>
<DataAnnotationsValidator />
<ValidationSummary />
<input type="hidden" name="LotteryTicket.Id" value="@LotteryTicket.Id" />
<div class="mb-3">
<label for="numbers" class="form-label">Numbers:</label>
<InputText id="numbers" @bind-Value="LotteryTicket.Numbers" class="form-control" />
<ValidationMessage For="() => LotteryTicket.Numbers" class="text-danger" />
</div>
<div class="mb-3">
<label for="owner" class="form-label">Owner:</label>
<InputText id="owner" @bind-Value="LotteryTicket.Owner" class="form-control" />
<ValidationMessage For="() => LotteryTicket.Owner" class="text-danger" />
</div>
<div class="mb-3">
<label for="phonenumber" class="form-label">PhoneNumber:</label>
<InputText id="phonenumber" @bind-Value="LotteryTicket.PhoneNumber" class="form-control" />
<ValidationMessage For="() => LotteryTicket.PhoneNumber" class="text-danger" />
</div>
<button type="submit" class="btn btn-primary">Save</button>
</EditForm>
</div>
</div>
}
<div>
<a href="/lotterytickets">Back to List</a>
</div>
@code {
[SupplyParameterFromQuery]
public long? Id { get; set; }
[SupplyParameterFromForm]
public LotteryTicket? LotteryTicket { get; set; }
protected override async Task OnInitializedAsync()
{
LotteryTicket ??= await DB.LotteryTicket.FirstOrDefaultAsync(m => m.Id == Id);
if (LotteryTicket is null)
{
NavigationManager.NavigateTo("notfound");
}
}
// To protect from overposting attacks, enable the specific properties you want to bind to.
// For more details, see https://aka.ms/RazorPagesCRUD.
public async Task UpdateLotteryTicket()
{
DB.Attach(LotteryTicket!).State = EntityState.Modified;
try
{
await DB.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!LotteryTicketExists(LotteryTicket!.Id))
{
NavigationManager.NavigateTo("notfound");
}
else
{
throw;
}
}
NavigationManager.NavigateTo("/lotterytickets");
}
bool LotteryTicketExists(long? id)
{
return DB.LotteryTicket.Any(e => e.Id == id);
}
}

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BlazorApp1/Components/Pages/LotteryTicketPages/Index.razor Normal file
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@page "/lotterytickets"
@using Microsoft.AspNetCore.Components.QuickGrid
@inject BlazorApp1.Data.BlazorApp1Context DB
@using Services.Tickets.Models
<PageTitle>Index</PageTitle>
<h1>Index</h1>
<p>
<a href="lotterytickets/create">Create New</a>
</p>
<QuickGrid Class="table" Items="DB.LotteryTicket">
<PropertyColumn Property="lotteryticket => lotteryticket.Numbers" />
<PropertyColumn Property="lotteryticket => lotteryticket.Owner" />
<PropertyColumn Property="lotteryticket => lotteryticket.PhoneNumber" />
<TemplateColumn Context="lotteryticket">
<a href="@($"lotterytickets/edit?id={lotteryticket.Id}")">Edit</a> |
<a href="@($"lotterytickets/details?id={lotteryticket.Id}")">Details</a> |
<a href="@($"lotterytickets/delete?id={lotteryticket.Id}")">Delete</a>
</TemplateColumn>
</QuickGrid>

64
BlazorApp1/Components/Pages/Weather.razor Normal file
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@page "/weather"
@attribute [StreamRendering]
<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 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 = 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)]
}).ToArray();
}
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);
}
}