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Commit 9243cab

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markjpricemarkjprice
committedJul 22, 2023
Add code solutions for Ch13
1 parent db12c4f commit 9243cab

26 files changed

+874
-5
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‎code/PracticalApps/Northwind.Razor.Employees/Areas/PacktFeatures/Pages/EmployeesList.cshtml

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@page
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@using Northwind.EntityModels
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@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers
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@model PacktFeatures.Pages.EmployeesListPageModel
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<div class="row">
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<h1 class="display-2">Employees</h1>
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</div>
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<div class="row">
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@foreach (Employee employee in Model.Employees)
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{
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<div class="col-sm-3">
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<!--This will look in Pages\Shared for _Employee.cshtml
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and pass the employee model to it.-->
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<partial name="_Employee" model="employee" />
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</div>
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}
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</div>

‎code/PracticalApps/Northwind.Razor.Employees/Areas/PacktFeatures/Pages/EmployeesList.cshtml.cs

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using Microsoft.AspNetCore.Mvc.RazorPages; // To use PageModel.
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using Northwind.EntityModels; // To use Employee, NorthwindContext.
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namespace PacktFeatures.Pages;
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public class EmployeesListPageModel : PageModel
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{
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private NorthwindContext _db;
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public EmployeesListPageModel(NorthwindContext db)
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{
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_db = db;
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}
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public Employee[] Employees { get; set; } = null!;
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public void OnGet()
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{
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ViewData["Title"] = "Northwind B2B - Employees";
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Employees = _db.Employees.OrderBy(e => e.LastName)
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.ThenBy(e => e.FirstName).ToArray();
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}
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}

‎code/PracticalApps/Northwind.Razor.Employees/Areas/PacktFeatures/Pages/Shared/_Employee.cshtml

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@model Northwind.EntityModels.Employee
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<div class="card border-dark mb-3" style="max-width: 18rem;">
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<div class="card-header">@Model?.LastName, @Model?.FirstName</div>
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<div class="card-body text-dark">
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<h5 class="card-title">@Model?.Country</h5>
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<p class="card-text">@Model?.Notes</p>
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</div>
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</div>

‎code/PracticalApps/Northwind.Razor.Employees/Areas/PacktFeatures/Pages/_ViewStart.cshtml

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@{
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Layout = "_Layout";
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}

‎code/PracticalApps/Northwind.Razor.Employees/Northwind.Razor.Employees.csproj

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<Project Sdk="Microsoft.NET.Sdk.Razor">
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<PropertyGroup>
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<TargetFramework>net8.0</TargetFramework>
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<Nullable>enable</Nullable>
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<ImplicitUsings>enable</ImplicitUsings>
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<AddRazorSupportForMvc>true</AddRazorSupportForMvc>
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</PropertyGroup>
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<ItemGroup>
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<FrameworkReference Include="Microsoft.AspNetCore.App" />
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</ItemGroup>
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<!-- change Sqlite to SqlServer if you prefer -->
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<ItemGroup>
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<ProjectReference Include="..\Northwind.DataContext.Sqlite\Northwind.DataContext.Sqlite.csproj" />
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</ItemGroup>
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</Project>

‎code/PracticalApps/Northwind.Web/Northwind.Web.csproj

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<Project Sdk="Microsoft.NET.Sdk.Web">
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<PropertyGroup>
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<TargetFramework>net8.0</TargetFramework>
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<Nullable>enable</Nullable>
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<ImplicitUsings>enable</ImplicitUsings>
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</PropertyGroup>
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<ItemGroup>
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<Using Include="System.Console" Static="true" />
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</ItemGroup>
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<ItemGroup>
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<!-- change Sqlite to SqlServer if you prefer -->
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<ProjectReference Include="..\Northwind.DataContext.Sqlite\Northwind.DataContext.Sqlite.csproj" />
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<ProjectReference Include="..\Northwind.Razor.Employees\Northwind.Razor.Employees.csproj" />
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</ItemGroup>
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</Project>

‎code/PracticalApps/Northwind.Web/Northwind.Web.csproj.user

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<ActiveDebugProfile>https</ActiveDebugProfile>
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</PropertyGroup>
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</Project>

‎code/PracticalApps/Northwind.Web/Pages/CustomerOrders.cshtml

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@page
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@using Northwind.Web.Pages
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@using Northwind.EntityModels
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@model CustomerOrdersModel
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@{
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string title = "Customer and their orders";
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ViewData["Title"] = $"Northwind B2B - {title}";
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}
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<div class="row">
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<h1 class="display-2">@title</h1>
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<div>
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@if (Model.Customer is not null)
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{
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<div>
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<div>@Model.Customer.CompanyName</div>
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</div>
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<div>
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<table>
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<thead>
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<tr><th>Order Id</th><th>Order Date</th></tr>
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</thead>
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<tbody>
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@foreach (Order o in Model.Customer.Orders)
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{
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<tr><td>@o.OrderId</td><td>@o.OrderDate</td></tr>
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}
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</tbody>
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</table>
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</div>
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}
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</div>
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</div>

‎code/PracticalApps/Northwind.Web/Pages/CustomerOrders.cshtml.cs

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using Microsoft.AspNetCore.Mvc.RazorPages; // To use PageModel.
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using Microsoft.EntityFrameworkCore; // To use Include method.
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using Northwind.EntityModels; // To use Customer.
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namespace Northwind.Web.Pages;
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public class CustomerOrdersModel : PageModel
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{
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public Customer? Customer;
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private NorthwindContext _db;
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public CustomerOrdersModel(NorthwindContext db)
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{
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_db = db;
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}
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public void OnGet()
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{
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string? id = HttpContext.Request.Query["id"];
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Customer = _db.Customers.Include(c => c.Orders)
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.SingleOrDefault(c => c.CustomerId == id);
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}
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}

‎code/PracticalApps/Northwind.Web/Pages/Customers.cshtml

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@page
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@using Northwind.Web.Pages
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@using Northwind.EntityModels
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@model CustomersModel
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@{
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string title = "Customers by Country";
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ViewData["Title"] = $"Northwind B2B - {title}";
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}
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<div class="row">
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<h1 class="display-2">@title</h1>
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<div>
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<h2>Exercise 13.4 – Practice building a data-driven web page</h2>
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</div>
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<div class="accordion" id="accordionCustomers">
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@if (Model.CustomersByCountry is not null)
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{
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@foreach (IGrouping<string?, Customer> cbc in Model.CustomersByCountry)
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{
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<div class="accordion-item">
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<h2 class="accordion-header" id="header@(cbc.Key)">
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<button class="accordion-button" type="button" data-bs-toggle="collapse" data-bs-target="#collapse@(cbc.Key)" aria-expanded="true" aria-controls="collapse@(cbc.Key)">
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@cbc.Key has @cbc.Count() customers
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</button>
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</h2>
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<div id="collapse@(cbc.Key)" class="accordion-collapse collapse" aria-labelledby="heading@(cbc.Key)" data-bs-parent="#accordionCustomers">
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<div class="accordion-body">
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<ul>
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@foreach (Customer c in cbc)
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{
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<li><a href="customerorders?id=@c.CustomerId">
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@c.CompanyName</a></li>
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}
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</ul>
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</div>
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</div>
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</div>
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}
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}
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</div>
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</div>

‎code/PracticalApps/Northwind.Web/Pages/Customers.cshtml.cs

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using Microsoft.AspNetCore.Mvc.RazorPages; // To use PageModel.
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using Northwind.EntityModels; // To use Customer.
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namespace Northwind.Web.Pages;
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public class CustomersModel : PageModel
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{
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public ILookup<string?, Customer>? CustomersByCountry;
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private NorthwindContext _db;
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public CustomersModel(NorthwindContext db)
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{
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_db = db;
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}
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public void OnGet()
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{
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CustomersByCountry = _db.Customers.ToLookup(c => c.Country);
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}
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}

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