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سلام

    public partial class Order
    {
        public Order()
        {
            this.OrderBankTransactionNumbers = new List<OrderBankTransactionNumber>();
            this.OrderDetails = new List<OrderDetail>();
        }

        public int OrderID { get; set; }
        public int UserID { get; set; }
        public bool IsFinaly { get; set; }
        public System.DateTime OrderDate { get; set; }
        public Nullable<int> WarehouseID { get; set; }
        public Nullable<int> WarehouseTransactionID { get; set; }
        public string ShipName { get; set; }
        public string ShipCity { get; set; }
        public string ShipAddress { get; set; }
        public virtual ICollection<OrderBank> OrderBanks { get; set; }
        public virtual ICollection<OrderDetail> OrderDetails { get; set; }
        public virtual User User { get; set; }
        public virtual Warehouse Warehouse { get; set; }
        public virtual WarehouseTransaction WarehouseTransaction { get; set; }
    }

public partial class OrderDetail
    {
        public int DetailID { get; set; }
        public int OrderID { get; set; }
        public int ProductModelID { get; set; }
        public int Count { get; set; }
        public int UnitPrice { get; set; }
        public double DiscountPercent { get; set; }
        public int Price { get; set; }
        public virtual Order Order { get; set; }
        public virtual ProductModel ProductModel { get; set; }
    }

و

using System.ComponentModel.DataAnnotations.Schema;
using System.Data.Entity.ModelConfiguration;

namespace DiGiShop.Models.Mapping
{
    public class OrderMap : EntityTypeConfiguration<Order>
    {
        public OrderMap()
        {
            // Primary Key
            this.HasKey(t => t.OrderID);

            // Properties
            this.Property(t => t.ShipName)
                .HasMaxLength(40);

            this.Property(t => t.ShipCity)
                .HasMaxLength(30);

            this.Property(t => t.ShipAddress)
                .HasMaxLength(50);

            // Table & Column Mappings
            this.ToTable("Orders");
            this.Property(t => t.OrderID).HasColumnName("OrderID");
            this.Property(t => t.UserID).HasColumnName("UserID");
            this.Property(t => t.IsFinaly).HasColumnName("IsFinaly");
            this.Property(t => t.OrderDate).HasColumnName("OrderDate");
            this.Property(t => t.WarehouseID).HasColumnName("WarehouseID");
            this.Property(t => t.WarehouseTransactionID).HasColumnName("WarehouseTransactionID");
            this.Property(t => t.ShipName).HasColumnName("ShipName");
            this.Property(t => t.ShipCity).HasColumnName("ShipCity");
            this.Property(t => t.ShipAddress).HasColumnName("ShipAddress");

            // Relationships
            this.HasRequired(t => t.User)
                .WithMany(t => t.Orders)
                .HasForeignKey(d => d.UserID);
            this.HasOptional(t => t.Warehouse)
                .WithMany(t => t.Orders)
                .HasForeignKey(d => d.WarehouseID);
            this.HasOptional(t => t.WarehouseTransaction)
                .WithMany(t => t.Orders)
                .HasForeignKey(d => d.WarehouseTransactionID);

        }
    }
}

using System.ComponentModel.DataAnnotations.Schema;
using System.Data.Entity.ModelConfiguration;

namespace DiGiShop.Models.Mapping
{
    public class OrderDetailMap : EntityTypeConfiguration<OrderDetail>
    {
        public OrderDetailMap()
        {
            // Primary Key
            this.HasKey(t => t.DetailID);

            // Properties
            // Table & Column Mappings
            this.ToTable("OrderDetails");
            this.Property(t => t.DetailID).HasColumnName("DetailID");
            this.Property(t => t.OrderID).HasColumnName("OrderID");
            this.Property(t => t.ProductModelID).HasColumnName("ProductModelID");
            this.Property(t => t.Count).HasColumnName("Count");
            this.Property(t => t.UnitPrice).HasColumnName("UnitPrice");
            this.Property(t => t.DiscountPercent).HasColumnName("DiscountPercent");
            this.Property(t => t.Price).HasColumnName("Price");

            // Relationships
            this.HasRequired(t => t.Order)
                .WithMany(t => t.OrderDetails)
                .HasForeignKey(d => d.OrderID);
            this.HasRequired(t => t.ProductModel)
                .WithMany(t => t.OrderDetails)
                .HasForeignKey(d => d.ProductModelID);

        }
    }
}

از orderid خطا میگیره

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