v5.9.0 has been released.

demo/AspNetCore5.0/Controllers/EmployeeController.cs

@@ -16,16 +16,19 @@ public class EmployeeController : Controller
     {
         private readonly IRepository _repository;
         private readonly IQueryRepository _queryRepository;
-        private readonly DemoDbContext _context;
+        private readonly Demo1DbContext _context;
+        private readonly IRepository<Demo1DbContext> _demo1Repository;
 
         public EmployeeController(
             IRepository repository,
             IQueryRepository queryRepository,
-            DemoDbContext context)
+            Demo1DbContext context,
+            IRepository<Demo1DbContext> demo1Repository)
         {
             _repository = repository;
             _context = context;
             _queryRepository = queryRepository;
+            _demo1Repository = demo1Repository;
         }
 
         // GET: Employee
@@ -76,6 +79,8 @@ public async Task<IActionResult> Create(Employee employee)
         {
             if (ModelState.IsValid)
             {
+
+                // Insert to database 1
                 IDbContextTransaction transaction = await _repository.BeginTransactionAsync(IsolationLevel.ReadCommitted);
 
                 try
@@ -102,6 +107,34 @@ public async Task<IActionResult> Create(Employee employee)
                     await transaction.RollbackAsync();
                 }
 
+                // Insert to database 2
+                IDbContextTransaction transaction2 = await _demo1Repository.BeginTransactionAsync(IsolationLevel.ReadCommitted);
+
+                try
+                {
+                    employee.EmployeeId = 0;
+                    employee.DepartmentId = 1;
+
+                    object[] primaryKeys = await _demo1Repository.InsertAsync(employee);
+
+
+                    long employeeId = (long)primaryKeys[0];
+                    EmployeeHistory employeeHistory = new EmployeeHistory()
+                    {
+                        EmployeeId = employeeId,
+                        DepartmentId = employee.DepartmentId,
+                        EmployeeName = employee.EmployeeName
+                    };
+
+                    await _demo1Repository.InsertAsync(employeeHistory);
+
+                    await transaction2.CommitAsync();
+                }
+                catch (Exception)
+                {
+                    await transaction2.RollbackAsync();
+                }
+
                 return RedirectToAction(nameof(Index));
 
             }

demo/AspNetCore5.0/Data/DemoDbContext.cs → demo/AspNetCore5.0/Data/Demo1DbContext.cs

@@ -4,9 +4,9 @@
 
 namespace AspNetCore5._0.Data
 {
-    public class DemoDbContext : DbContext
+    public class Demo1DbContext : DbContext
     {
-        public DemoDbContext(DbContextOptions<DemoDbContext> options) : base(options)
+        public Demo1DbContext(DbContextOptions<Demo1DbContext> options) : base(options)
         {
 
         }

demo/AspNetCore5.0/Data/Demo2DbContext.cs

@@ -0,0 +1,28 @@
+using System;
+using AspNetCore5._0.Data.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace AspNetCore5._0.Data
+{
+    public class Demo2DbContext : DbContext
+    {
+        public Demo2DbContext(DbContextOptions<Demo2DbContext> options) : base(options)
+        {
+
+        }
+
+        protected override void OnModelCreating(ModelBuilder modelBuilder)
+        {
+            if (modelBuilder == null)
+            {
+                throw new ArgumentNullException(nameof(modelBuilder));
+            }
+
+            base.OnModelCreating(modelBuilder);
+            modelBuilder.Entity<Employee>().HasKey(e => e.EmployeeId);
+        }
+
+        public DbSet<Employee> Employee { get; set; }
+        public DbSet<EmployeeHistory> EmployeeHistories { get; set; }
+    }
+}

demo/AspNetCore5.0/Migrations/20210114164052_InitialCreate.cs → demo/AspNetCore5.0/Data/Migrations1/20220609053019_InitialCreate.cs

@@ -1,6 +1,6 @@
 using Microsoft.EntityFrameworkCore.Migrations;
 
-namespace AspNetCore5._0.Migrations
+namespace AspNetCore5._0.Data.Migrations1
 {
     public partial class InitialCreate : Migration
     {
@@ -19,6 +19,19 @@ protected override void Up(MigrationBuilder migrationBuilder)
                     table.PrimaryKey("PK_Department", x => x.Id);
                 });
 
+            migrationBuilder.CreateTable(
+                name: "EmployeeHistories",
+                columns: table => new
+                {
+                    EmployeeId = table.Column<long>(type: "bigint", nullable: false),
+                    DepartmentId = table.Column<int>(type: "int", nullable: false),
+                    EmployeeName = table.Column<string>(type: "nvarchar(max)", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_EmployeeHistories", x => x.EmployeeId);
+                });
+
             migrationBuilder.CreateTable(
                 name: "Employee",
                 columns: table => new
@@ -51,6 +64,9 @@ protected override void Down(MigrationBuilder migrationBuilder)
             migrationBuilder.DropTable(
                 name: "Employee");
 
+            migrationBuilder.DropTable(
+                name: "EmployeeHistories");
+
             migrationBuilder.DropTable(
                 name: "Department");
         }

demo/AspNetCore5.0/Migrations/DemoDbContextModelSnapshot.cs → demo/AspNetCore5.0/Data/Migrations1/Demo1DbContextModelSnapshot.cs

@@ -5,25 +5,25 @@
 using Microsoft.EntityFrameworkCore.Metadata;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 
-namespace AspNetCore5._0.Migrations
+namespace AspNetCore5._0.Data.Migrations1
 {
-    [DbContext(typeof(DemoDbContext))]
-    partial class DemoDbContextModelSnapshot : ModelSnapshot
+    [DbContext(typeof(Demo1DbContext))]
+    partial class Demo1DbContextModelSnapshot : ModelSnapshot
     {
         protected override void BuildModel(ModelBuilder modelBuilder)
         {
 #pragma warning disable 612, 618
             modelBuilder
-                .UseIdentityColumns()
                 .HasAnnotation("Relational:MaxIdentifierLength", 128)
-                .HasAnnotation("ProductVersion", "5.0.2");
+                .HasAnnotation("ProductVersion", "5.0.17")
+                .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
 
             modelBuilder.Entity("AspNetCore5._0.Data.Models.Department", b =>
                 {
                     b.Property<int>("Id")
                         .ValueGeneratedOnAdd()
                         .HasColumnType("int")
-                        .UseIdentityColumn();
+                        .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
 
                     b.Property<string>("Name")
                         .HasColumnType("nvarchar(max)");
@@ -38,7 +38,7 @@ protected override void BuildModel(ModelBuilder modelBuilder)
                     b.Property<long>("EmployeeId")
                         .ValueGeneratedOnAdd()
                         .HasColumnType("bigint")
-                        .UseIdentityColumn();
+                        .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
 
                     b.Property<int>("DepartmentId")
                         .HasColumnType("int");
@@ -78,13 +78,18 @@ protected override void BuildModel(ModelBuilder modelBuilder)
             modelBuilder.Entity("AspNetCore5._0.Data.Models.Employee", b =>
                 {
                     b.HasOne("AspNetCore5._0.Data.Models.Department", "Department")
-                        .WithMany()
+                        .WithMany("Employees")
                         .HasForeignKey("DepartmentId")
                         .OnDelete(DeleteBehavior.Cascade)
                         .IsRequired();
 
                     b.Navigation("Department");
                 });
+
+            modelBuilder.Entity("AspNetCore5._0.Data.Models.Department", b =>
+                {
+                    b.Navigation("Employees");
+                });
 #pragma warning restore 612, 618
         }
     }