{"id":75943,"date":"2024-09-07T00:05:47","date_gmt":"2024-09-06T20:35:47","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/getting-started-with-entity-framework-core-1ih2\/"},"modified":"2024-09-07T00:05:47","modified_gmt":"2024-09-06T20:35:47","slug":"getting-started-with-entity-framework-core-1ih2","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/getting-started-with-entity-framework-core-1ih2\/","title":{"rendered":"\u0634\u0631\u0648\u0639 \u06a9\u0627\u0631 \u0628\u0627 Entity Framework Core"},"content":{"rendered":"

Summarize this content to 400 words in Persian Lang
\n \u062f\u0631 \u0627\u06cc\u0646 \u0628\u062e\u0634 \u062f\u0648\u0645 \u0627\u0632 \u0633\u0631\u06cc Entity Framework Core\u060c \u0645\u0631\u0627\u062d\u0644 \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632\u06cc \u06cc\u06a9 \u067e\u0631\u0648\u0698\u0647 \u067e\u0627\u06cc\u0647 \u0628\u0627 EF Core\u060c \u0646\u0635\u0628 \u0628\u0633\u062a\u0647\u200c\u0647\u0627\u06cc NuGet \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0648 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc DbContext\u060c \u0627\u06cc\u062c\u0627\u062f \u0627\u0648\u0644\u06cc\u0646 \u0645\u0647\u0627\u062c\u0631\u062a \u0648 \u0627\u0646\u062c\u0627\u0645 \u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u0648\u0644\u06cc\u0647 CRUD. \u0645\u0627 \u06cc\u06a9 \u0646\u0645\u0648\u0646\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627\u060c \u062f\u0633\u062a\u0647\u200c\u0647\u0627 \u0648 \u0634\u0631\u06a9\u062a\u200c\u06a9\u0646\u0646\u062f\u06af\u0627\u0646 \u0645\u06cc\u200c\u0633\u0627\u0632\u06cc\u0645\u060c \u06a9\u0647 \u0628\u0627 \u067e\u06cc\u0634\u0631\u0641\u062a \u062f\u0631 \u0633\u0631\u06cc\u200c\u0647\u0627 \u0628\u0647 \u062a\u06a9\u0627\u0645\u0644 \u062e\u0648\u062f \u0627\u062f\u0627\u0645\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n

1. \u0646\u0635\u0628 EF Core (\u0628\u0633\u062a\u0647\u200c\u0647\u0627\u06cc NuGet)<\/p>\n

\u0628\u0631\u0627\u06cc \u0634\u0631\u0648\u0639\u060c \u06cc\u06a9 \u0645\u0648\u0631\u062f \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f \u0647\u0633\u062a\u0647 ASP.NET \u067e\u0631\u0648\u0698\u0647 \u062f\u0631 \u0648\u06cc\u0698\u0648\u0627\u0644 \u0627\u0633\u062a\u0648\u062f\u06cc\u0648 \u0645\u0627 EF Core \u0648 \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u0646\u062f\u0647 SQL Server \u0631\u0627 \u0646\u0635\u0628 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f.<\/p>\n

\u0646\u0635\u0628 \u06af\u0627\u0645 \u0628\u0647 \u06af\u0627\u0645:<\/p>\n

\u06cc\u06a9 \u067e\u0631\u0648\u0698\u0647 \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f:<\/p>\n

\u062f\u0631 \u0648\u06cc\u0698\u0648\u0627\u0644 \u0627\u0633\u062a\u0648\u062f\u06cc\u0648\u060c \u0628\u0647 File > New > Project \u0648 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u062f ASP.NET Core Web API.
\n\u067e\u0631\u0648\u0698\u0647 \u0631\u0627 \u0646\u0627\u0645 \u0628\u0628\u0631\u06cc\u062f EventManagement.<\/p>\n

Entity Framework Core \u0631\u0627 \u0646\u0635\u0628 \u06a9\u0646\u06cc\u062f:\u0645\u0627 \u0628\u0627\u06cc\u062f EF Core \u0648 \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u0646\u062f\u0647 SQL Server \u0631\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 NuGet \u0646\u0635\u0628 \u06a9\u0646\u06cc\u0645. \u0631\u0627 \u0628\u0627\u0632 \u06a9\u0646\u06cc\u062f NuGet Package Manager \u06cc\u0627 \u0627\u0632 \u062e\u0637 \u0641\u0631\u0645\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n

\u062f\u0633\u062a\u0648\u0631\u0627\u062a \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0631 \u06a9\u0646\u0633\u0648\u0644 Package Manager:<\/p>\n

Install-Package Microsoft.EntityFrameworkCore
\n Install-Package Microsoft.EntityFrameworkCore.SqlServer
\n Install-Package Microsoft.EntityFrameworkCore.Tools<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0631\u0648\u0634 \u062f\u06cc\u06af\u0631\u060c \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 CLI:<\/p>\n

dotnet add package Microsoft.EntityFrameworkCore
\n dotnet add package Microsoft.EntityFrameworkCore.SqlServer
\n dotnet add package Microsoft.EntityFrameworkCore.Tools<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

2. \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc DbContext<\/p>\n

\u0627\u06cc\u0646 DbContext \u06cc\u06a9 \u062c\u0644\u0633\u0647 \u0628\u0627 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u0648 \u0628\u0631\u0627\u06cc \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0648 \u0630\u062e\u06cc\u0631\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f. \u0645\u0627 \u06cc\u06a9 \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f EventDbContext \u06a9\u0644\u0627\u0633 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062a\u0639\u0627\u0645\u0644 \u0628\u0627 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647.<\/p>\n

\u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u0645\u0631\u062d\u0644\u0647 \u0628\u0647 \u0645\u0631\u062d\u0644\u0647:<\/p>\n

\u0645\u062f\u0644 \u0647\u0627 \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f: \u0645\u062f\u0644 \u0647\u0627\u06cc \u067e\u0627\u06cc\u0647 \u0627\u06cc \u0631\u0627 \u062a\u0639\u0631\u06cc\u0641 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a \u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0645\u0627 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f: Event\u060c Category\u060c \u0648 Attendee.<\/p>\n

public class Event
\n {
\n public int EventId { get; set; }
\n public string Name { get; set; }
\n public DateTime Date { get; set; }
\n public int CategoryId { get; set; }
\n public Category Category { get; set; }
\n public ListAttendee> Attendees { get; set; }
\n }<\/p>\n

public class Category
\n {
\n public int CategoryId { get; set; }
\n public string Name { get; set; }
\n public ListEvent> Events { get; set; }
\n }<\/p>\n

public class Attendee
\n {
\n public int AttendeeId { get; set; }
\n public string FullName { get; set; }
\n public int EventId { get; set; }
\n public Event Event { get; set; }
\n }<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

DbContext \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f: \u0628\u0639\u062f \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f EventDbContext \u06a9\u0644\u0627\u0633\u060c \u06a9\u0647 \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n

public class EventDbContext : DbContext
\n {
\n public EventDbContext(DbContextOptionsEventDbContext> options) : base(options)
\n {
\n }<\/p>\n

public DbSetEvent> Events { get; set; }
\n public DbSetCategory> Categories { get; set; }
\n public DbSetAttendee> Attendees { get; set; }<\/p>\n

protected override void OnModelCreating(ModelBuilder modelBuilder)
\n {
\n base.OnModelCreating(modelBuilder);
\n }
\n }<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

DbContext \u0631\u0627 \u062f\u0631 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u062f Startup.cs: \u062f\u0631 \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 ASP.NET Core\u060c \u062b\u0628\u062a \u0646\u0627\u0645 \u06a9\u0646\u06cc\u062f EventDbContext \u062f\u0631 \u0638\u0631\u0641 DI:<\/p>\n

public void ConfigureServices(IServiceCollection services)
\n {
\n services.AddDbContextEventDbContext>(options =>
\n options.UseSqlServer(Configuration.GetConnectionString(“DefaultConnection”)));
\n }<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u062e\u0648\u062f \u0631\u0627 \u062a\u0636\u0645\u06cc\u0646 \u06a9\u0646\u06cc\u062f appsettings.json \u0634\u0627\u0645\u0644 \u06cc\u06a9 \u0631\u0634\u062a\u0647 \u0627\u062a\u0635\u0627\u0644 \u0628\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 SQL Server \u0627\u0633\u062a:<\/p>\n

“ConnectionStrings”: {
\n “DefaultConnection”: “Server=(localdb)\\\\mssqllocaldb;Database=EventManagementDb;Trusted_Connection=True;”
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

3. \u0627\u06cc\u062c\u0627\u062f \u0627\u0648\u0644\u06cc\u0646 \u0645\u0647\u0627\u062c\u0631\u062a \u0648 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647<\/p>\n

\u06cc\u06a9 \u0628\u0627\u0631 DbContext \u062a\u0646\u0638\u06cc\u0645 \u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0645\u0647\u0627\u062c\u0631\u062a \u0627\u0648\u0644\u06cc\u0647 \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0631\u062f\u0647 \u0648 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u0628\u0647 \u0631\u0648\u0632 \u06a9\u0646\u06cc\u0645.<\/p>\n

\u0645\u0647\u0627\u062c\u0631\u062a \u06af\u0627\u0645 \u0628\u0647 \u06af\u0627\u0645:<\/p>\n

\u0645\u0647\u0627\u062c\u0631\u062a \u0627\u0648\u0644\u06cc\u0647 \u0631\u0627 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f: \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u0645\u0647\u0627\u062c\u0631\u062a \u0627\u0648\u0644\u06cc\u0647 \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f:<\/p>\n

dotnet ef migrations add InitialCreate<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627 \u0628\u0647 \u0631\u0648\u0632 \u06a9\u0646\u06cc\u062f: \u0645\u0647\u0627\u062c\u0631\u062a \u0631\u0627 \u0628\u0631\u0627\u06cc \u0627\u06cc\u062c\u0627\u062f \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0648 \u062c\u062f\u0627\u0648\u0644 \u0627\u0639\u0645\u0627\u0644 \u06a9\u0646\u06cc\u062f:<\/p>\n

dotnet ef database update<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

EF Core \u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0627 \u062c\u062f\u0627\u0648\u0644 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f Events\u060c Categories\u060c \u0648 Attendees\u060c \u0628\u0631 \u0627\u0633\u0627\u0633 \u0645\u062f\u0644 \u0647\u0627\u06cc \u0645\u0627.<\/p>\n

4. \u0627\u06cc\u062c\u0627\u062f EventController<\/p>\n

\u0627\u06a9\u0646\u0648\u0646 \u06a9\u0647 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0645\u0627 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a\u060c \u06cc\u06a9 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u0628\u0631\u0627\u06cc \u062a\u0639\u0627\u0645\u0644 \u0628\u0627 \u0622\u0646 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u0645 Event \u0645\u0648\u062c\u0648\u062f\u06cc\u062a \u0627\u06cc\u0646 \u06a9\u0646\u062a\u0631\u0644\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a CRUD \u0631\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc HTTP \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n

\u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u06af\u0627\u0645 \u0628\u0647 \u06af\u0627\u0645 \u06a9\u0646\u062a\u0631\u0644\u0631:<\/p>\n

\u06cc\u06a9 \u06a9\u0646\u062a\u0631\u0644\u0631 \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f:<\/p>\n

\u062f\u0631 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627 \u067e\u0648\u0634\u0647\u060c \u06a9\u0644\u06cc\u06a9 \u0631\u0627\u0633\u062a \u06a9\u0631\u062f\u0647 \u0648 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u062f \u0627\u0641\u0632\u0648\u062f\u0646 > \u06a9\u0646\u062a\u0631\u0644\u0631.
\n\u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u062f \u06a9\u0646\u062a\u0631\u0644\u0631 API – \u062e\u0627\u0644\u06cc \u0627\u0633\u062a \u0648 \u0627\u0633\u0645\u0634 \u0631\u0627 \u0628\u06af\u0630\u0627\u0631 EventController.<\/p>\n

\u06cc\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u062f\u0633\u062a\u06cc \u06a9\u0646\u062a\u0631\u0644\u0631 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0632\u06cc\u0631 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f:<\/p>\n

using Microsoft.AspNetCore.Mvc;
\nusing System.Threading.Tasks;
\nusing Microsoft.EntityFrameworkCore;<\/p>\n[ApiController]\n[Route(“api\/[controller]”)]\npublic class EventController : ControllerBase
\n{
\n private readonly EventDbContext _context;<\/p>\n

public EventController(EventDbContext context)
\n {
\n _context = context;
\n }<\/p>\n

\/\/ GET: api\/Event
\n [HttpGet]\n public async TaskActionResultIEnumerableEvent>>> GetEvents()
\n {
\n return await _context.Events
\n .Include(e => e.Category)
\n .Include(e => e.Attendees)
\n .ToListAsync();
\n }<\/p>\n

\/\/ GET: api\/Event\/5
\n [HttpGet(“{id}”)]\n public async TaskActionResultEvent>> GetEvent(int id)
\n {
\n var @event = await _context.Events
\n .Include(e => e.Category)
\n .Include(e => e.Attendees)
\n .FirstOrDefaultAsync(e => e.EventId == id);<\/p>\n

if (@event == null)
\n {
\n return NotFound();
\n }<\/p>\n

return @event;
\n }<\/p>\n

\/\/ POST: api\/Event
\n [HttpPost]\n public async TaskActionResultEvent>> CreateEvent(Event newEvent)
\n {
\n _context.Events.Add(newEvent);
\n await _context.SaveChangesAsync();<\/p>\n

return CreatedAtAction(nameof(GetEvent), new { id = newEvent.EventId }, newEvent);
\n }<\/p>\n

\/\/ PUT: api\/Event\/5
\n [HttpPut(“{id}”)]\n public async TaskIActionResult> UpdateEvent(int id, Event updatedEvent)
\n {
\n if (id != updatedEvent.EventId)
\n {
\n return BadRequest();
\n }<\/p>\n

_context.Entry(updatedEvent).State = EntityState.Modified;<\/p>\n

try
\n {
\n await _context.SaveChangesAsync();
\n }
\n catch (DbUpdateConcurrencyException)
\n {
\n if (!EventExists(id))
\n {
\n return NotFound();
\n }
\n else
\n {
\n throw;
\n }
\n }<\/p>\n

return NoContent();
\n }<\/p>\n

\/\/ DELETE: api\/Event\/5
\n [HttpDelete(“{id}”)]\n public async TaskIActionResult> DeleteEvent(int id)
\n {
\n var @event = await _context.Events.FindAsync(id);
\n if (@event == null)
\n {
\n return NotFound();
\n }<\/p>\n

_context.Events.Remove(@event);
\n await _context.SaveChangesAsync();<\/p>\n

return NoContent();
\n }<\/p>\n

private bool EventExists(int id)
\n {
\n return _context.Events.Any(e => e.EventId == id);
\n }
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

5. \u062a\u0633\u062a API<\/p>\n

\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u067e\u0633\u062a\u0686\u06cc \u06cc\u0627 \u0641\u062d\u0634 \u062f\u0627\u062f\u0646 \u0628\u0631\u0627\u06cc \u0622\u0632\u0645\u0627\u06cc\u0634 \u0646\u0642\u0627\u0637 \u067e\u0627\u06cc\u0627\u0646\u06cc API \u0628\u0631\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a CRUD. Swagger \u062f\u0631 ASP.NET Core \u062a\u0639\u0628\u06cc\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a \u0648 \u0628\u0627 \u0627\u062c\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0648 \u067e\u06cc\u0645\u0627\u06cc\u0634 \u0628\u0647 \u0622\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u0622\u0646 \u062f\u0633\u062a\u0631\u0633\u06cc \u062f\u0627\u0634\u062a \/swagger.<\/p>\n

6. \u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u0635\u0644\u06cc CRUD (\u0627\u06cc\u062c\u0627\u062f\u060c \u062e\u0648\u0627\u0646\u062f\u0646\u060c \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc\u060c \u062d\u0630\u0641)<\/p>\n

\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0646\u0645\u0648\u0646\u0647 \u0647\u0627\u06cc\u06cc \u0627\u0632 \u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u0635\u0644\u06cc CRUD \u06a9\u0647 \u0645\u0627 \u062f\u0631 \u0622\u0646 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0631\u062f\u06cc\u0645\u060c \u0622\u0648\u0631\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a EventController:<\/p>\n

\u06cc\u06a9 \u0631\u0648\u06cc\u062f\u0627\u062f \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f:<\/p>\n

public async Task CreateEvent(EventDbContext context)
\n{
\n var category = new Category { Name = “Technology” };
\n var newEvent = new Event
\n {
\n Name = “Tech Conference”,
\n Date = DateTime.Now,
\n Category = category
\n };<\/p>\n

context.Events.Add(newEvent);
\n await context.SaveChangesAsync();
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627 \u0631\u0627 \u0628\u062e\u0648\u0627\u0646\u06cc\u062f:<\/p>\n

public async TaskListEvent>> GetAllEvents(EventDbContext context)
\n{
\n return await context.Events
\n .Include(e => e.Category)
\n .Include(e => e.Attendees)
\n .ToListAsync();
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u06cc\u06a9 \u0631\u0648\u06cc\u062f\u0627\u062f \u0631\u0627 \u0628\u0647 \u0631\u0648\u0632 \u06a9\u0646\u06cc\u062f:<\/p>\n

public async Task UpdateEvent(EventDbContext context, int eventId)
\n{
\n var eventToUpdate = await context.Events.FindAsync(eventId);
\n if (eventToUpdate != null)
\n {
\n eventToUpdate.Name = “Updated Event Name”;
\n context.Events.Update(eventToUpdate);
\n await context.SaveChangesAsync();
\n }
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u062d\u0630\u0641 \u06cc\u06a9 \u0631\u0648\u06cc\u062f\u0627\u062f:<\/p>\n

public async Task DeleteEvent(EventDbContext context, int eventId)
\n{
\n var eventToDelete = await context.Events.FindAsync(eventId);
\n if (eventToDelete != null)
\n {
\n context.Events.Remove(eventToDelete);
\n await context.SaveChangesAsync();
\n }
\n}<\/p>\n

\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n

\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n

\u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<\/p>\n

\u062f\u0631 \u0627\u06cc\u0646 \u0642\u0633\u0645\u062a \u0627\u0632 \u0633\u0631\u06cc\u060c EF Core \u0631\u0627 \u0646\u0635\u0628 \u06a9\u0631\u062f\u06cc\u0645 \u0648 \u0622\u0646 \u0631\u0627 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u06a9\u0631\u062f\u06cc\u0645 DbContext\u060c \u0627\u0648\u0644\u06cc\u0646 \u0645\u0647\u0627\u062c\u0631\u062a \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0631\u062f \u0648 \u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u0648\u0644\u06cc\u0647 CRUD \u0631\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u06cc\u06a9 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f EventController. \u0627\u06cc\u0646 \u062a\u0646\u0638\u06cc\u0645\u0627\u062a \u067e\u0627\u06cc\u0647 \u0648 \u0627\u0633\u0627\u0633 \u0633\u06cc\u0633\u062a\u0645 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0631\u0648\u06cc\u062f\u0627\u062f \u0645\u0627 \u0631\u0627 \u062a\u0634\u06a9\u06cc\u0644 \u0645\u06cc \u062f\u0647\u062f \u0648<\/p>\n

\n

\u062f\u0631 \u0627\u06cc\u0646 \u0628\u062e\u0634 \u062f\u0648\u0645 \u0627\u0632 \u0633\u0631\u06cc Entity Framework Core\u060c \u0645\u0631\u0627\u062d\u0644 \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632\u06cc \u06cc\u06a9 \u067e\u0631\u0648\u0698\u0647 \u067e\u0627\u06cc\u0647 \u0628\u0627 EF Core\u060c \u0646\u0635\u0628 \u0628\u0633\u062a\u0647\u200c\u0647\u0627\u06cc NuGet \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0648 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc DbContext<\/code>\u060c \u0627\u06cc\u062c\u0627\u062f \u0627\u0648\u0644\u06cc\u0646 \u0645\u0647\u0627\u062c\u0631\u062a \u0648 \u0627\u0646\u062c\u0627\u0645 \u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u0648\u0644\u06cc\u0647 CRUD. \u0645\u0627 \u06cc\u06a9 \u0646\u0645\u0648\u0646\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0631\u0648\u06cc\u062f\u0627\u062f\u0647\u0627\u060c \u062f\u0633\u062a\u0647\u200c\u0647\u0627 \u0648 \u0634\u0631\u06a9\u062a\u200c\u06a9\u0646\u0646\u062f\u06af\u0627\u0646 \u0645\u06cc\u200c\u0633\u0627\u0632\u06cc\u0645\u060c \u06a9\u0647 \u0628\u0627 \u067e\u06cc\u0634\u0631\u0641\u062a \u062f\u0631 \u0633\u0631\u06cc\u200c\u0647\u0627 \u0628\u0647 \u062a\u06a9\u0627\u0645\u0644 \u062e\u0648\u062f \u0627\u062f\u0627\u0645\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n

\n
\n

\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\nToggle<\/span><\/path><\/svg><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n