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ComputerStoreProject/ComputerStoreDatabase/Models/ComponentsAssemblies.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerStoreDatabase.Models;
+
+public class ComponentsAssemblies
+{
+    public int AssemblyId { get; set; }
+
+    [ForeignKey("AssemblyId")]
+    public virtual Assembly Assembly { get; set; } = new();
+
+    public int ComponentId { get; set; }
+
+    [ForeignKey("ComponentId")]
+    public virtual Component Component { get; set; } = new();
+}