Testing serilog

WinFormDiApp.DAL/ApplicationDbContext.cs

@@ -11,8 +11,23 @@ namespace WinFormDiApp.DAL
 
         public virtual DbSet<Member> Members { get; set; }
         public virtual DbSet<AccountRecord> AccountRecords { get; set; }
+
+        protected override void OnModelCreating(ModelBuilder modelBuilder)
+        {
+            modelBuilder.Entity<AccountRecord>()
+                .HasIndex(e => new
+                {
+                    e.BetalDatum,
+                    e.Belopp,
+                    e.Konto
+                })
+                .IsUnique();
+        }
+
+
     }
 
+
     public class DesignTimeDbContextFactory : IDesignTimeDbContextFactory<ApplicationDbContext>
     {
         public ApplicationDbContext CreateDbContext(string[] args)