当我尝试以一对一关系添加新对象时，EF Core 更新先前的对象 ID 值

如何解决当我尝试以一对一关系添加新对象时，EF Core 更新先前的对象 ID 值

我使用代码优先的方法，我有 2 个表处于一对一关系。 我正在尝试在表 MaterialRelease 和 OrderMaterialRelease 中添加 2 条记录 在表 MaterialRelease 中记录添加成功，但在表 OrderMaterialRelease 中添加第一条记录，然后第二条记录更新第一条记录 id

 public partial class MaterialRelease
{

    public int MaterialReleaseId { get; set; }


    public int MaterialCategoryId { get; set; }

    public int MaterialId { get; set; }

    public int? MaterialTypeId { get; set; }

    public int? MaterialReleaseSizeId { get; set; }

    public int Quantity { get; set; }

    
    public string Notes { get; set; }

    public int ReasonId { get; set; }

    public int? ByOrderOfLeaderId { get; set; }

    public int DepartmentId { get; set; }

    public int SortNo { get; set; }

    public bool IsEnabled { get; set; }

    public bool IsDeleted { get; set; }

    public int CreatedUserId { get; set; }

    public DateTime AdditionTime { get; set; }


    public virtual OrderMaterialRelease OrderMaterialRelease { get; set; }

    public virtual Department Department { get; set; }

    public virtual Material Material { get; set; }

    public virtual MaterialCategory MaterialCategory { get; set; }

    public virtual MaterialReleaseReasons MaterialReleaseReasons { get; set; }

    public virtual MaterialSize MaterialReleaseSize { get; set; }

    public virtual MaterialType MaterialType { get; set; }

    public virtual User CreatedUser { get; set; }

    public virtual User ByOrderOfLeader { get; set; }
}

    public partial class OrderMaterialRelease
{
    public int OrderId { get; set; }
    public int MaterialReleaseId { get; set; }  

    public int? ProductId { get; set; }

    public int? ProductCombinedId { get; set; }

    public decimal Quantity { get; set; }

    public decimal WastQuantity { get; set; }

    public int SortNo { get; set; }

    public bool IsEnabled { get; set; }

    public bool IsDeleted { get; set; }

    public int CreatedUserId { get; set; }

    public DateTime AdditionTime { get; set; }

    public virtual Order Order { get; set; }

    public MaterialRelease MaterialRelease { get; set; }

    public virtual Product Product { get; set; }

    public virtual ProductCombined ProductCombined { get; set; }

    public virtual User User { get; set; }
}

添加到数据库的函数

        private void MaterialReleaseProduct(Order order)
    {
        foreach (var orderProduct in order.OrderProduct)
        {
            if (orderProduct.Product.Material != null)
            {
                var noSSizeInBSize =
                    GlobalData.unitOfWork.MaterialSizeConversion
                        .SingleOrDefault(e =>
                            e.SmallSizeId == orderProduct.Product.MaterialSizeId
                            && e.BigSizeId == orderProduct.Product.ReleaseSizeId)
                        .NoSSizeInBSize;

                var originalQuantity = orderProduct.Quantity / noSSizeInBSize;
                var wastQuantity = originalQuantity * (orderProduct.Product.MaterialWastRatio ?? 0) / 100;
                var quantity = (int) Math.Ceiling(originalQuantity + wastQuantity);
                var materialRelease = new MaterialRelease
                {
                    MaterialCategory = orderProduct.Product.MaterialCategory,Material = orderProduct.Product.Material,MaterialReleaseSize = orderProduct.Product.ReleaseSize,MaterialType = orderProduct.Product.MaterialType,Quantity = quantity,Department = orderProduct.Product.Department,ReasonId = 1,CreatedUser = GlobalData.LoginUser,};


                var orderMaterialRelease = new OrderMaterialRelease
                {
                    Order = order,MaterialRelease = materialRelease,Product = orderProduct.Product,Quantity = originalQuantity,WastQuantity = wastQuantity,User = GlobalData.LoginUser
                };

                GlobalData.unitOfWork.OrderMaterialReleases.Add(orderMaterialRelease);
                GlobalData.unitOfWork.Complete();
            }
        }
    }
 public int Complete()
    {
        return _context.SaveChanges();
    }

配置

 public void Configure(EntityTypeBuilder<OrderMaterialRelease> builder)
    {
        builder.HasKey(e => e.MaterialReleaseId);

        builder.HasIndex(e => new
        {
            e.OrderId,e.ProductId,e.ProductCombinedId,}).IsUnique();

        builder.Property(e => e.AdditionTime).HasDefaultValueSql("GETDATE()");
        builder.Property(e => e.IsEnabled).HasDefaultValueSql("1");
        builder.Property(e => e.IsDeleted).HasDefaultValueSql("0");

        builder.HasOne(e => e.MaterialRelease)
            .WithOne(e => e.OrderMaterialRelease)
            .HasForeignKey<OrderMaterialRelease>(e => e.MaterialReleaseId)
            .OnDelete(DeleteBehavior.Restrict);

        builder.HasOne(e => e.Product)
            .WithMany(e => e.OrderMaterialRelease)
            .HasForeignKey(e => e.ProductId)
            .OnDelete(DeleteBehavior.Restrict);


        builder.HasOne(e => e.ProductCombined)
            .WithMany(e => e.OrderMaterialRelease)
            .HasForeignKey(e => e.ProductCombinedId)
            .OnDelete(DeleteBehavior.Restrict);
    }

数据库中的记录 物料发布表

MaterialReleaseId   MaterialCategoryId  MaterialId  MaterialTypeId  MaterialReleaseSizeId   Quantity    Notes   ReasonId    ByOrderOfLeaderId   DepartmentId    SortNo  IsEnabled   IsDeleted   CreatedUserId   AdditionTime
91  1   1   2   2   2   NULL    1   NULL    1   0   1   0   2   2021-05-06 09:33:36.4670000
92  1   1   3   2   2   NULL    1   NULL    1   0   1   0   2   2021-05-06 09:33:36.5100000

订购材料发布

OrderId ProductId   Quantity    WastQuantity    SortNo  IsEnabled   IsDeleted   CreatedUserId   AdditionTime    MaterialReleaseId   ProductCombinedId
61  4   1.00    0.02    0   1   0   2   2021-05-06 09:33:36.5330000 92  NULL