Fix osai file writing

Testing transaction

Step.Database/Controllers/NcToolManagerController.cs

@@ -9,7 +9,7 @@ namespace Step.Database.Controllers
 {
     public class NcToolManagerController : IDisposable
     {
-        private DatabaseContext dbCtx;
+        public DatabaseContext dbCtx;
 
         public NcToolManagerController()
         {
@@ -319,7 +319,6 @@ namespace Step.Database.Controllers
         
         public void DeleteShank(DbNcShankModel shank)
         {
-            dbCtx.Shanks.Attach(shank);
             dbCtx.Shanks.Remove(shank);
 
             dbCtx.SaveChanges();

Step.Database/DatabaseContext.cs

@@ -28,10 +28,9 @@ namespace Step.Database
         public DbSet<PerformedMaintenanceModel> PerformedMaintenances { get; set; }
         public DbSet<MaintenanceNoteModel> MaintenancesNotes { get; set; }
         public DbSet<MaintenanceFileModel> MaintenanceFiles { get; set; }
-
+        // Tool manager
         public DbSet<DbNcFamilyModel> Families { get; set; }
         public DbSet<DbNcShankModel> Shanks { get; set; }
-        // public DbSet<NcOffsetModel> Offsets { get; set; }
         public DbSet<DbNcToolModel> Tools { get; set; }
         public DbSet<DbNcMagazinePositionModel> MagazinePositions { get; set; }
 
@@ -40,17 +39,6 @@ namespace Step.Database
 
         // public static string CONNECTION_STRING = "Server = " + ServerStartupConfig.DatabaseAddress + "; Database=" + DATABASE_NAME +";Uid="+ DATABASE_USER +";Pwd="+ DATABASE_PWD +";";
 
-        //protected override void OnModelCreating(DbModelBuilder modelBuilder)
-        //{
-        //    modelBuilder.Entity<NcToolModel>()
-        //    .HasOptional(e => e.Shank)
-        //    .WithMany()
-        //    .HasForeignKey(e => e.ShankId)
-        //    .WillCascadeOnDelete(false);
-
-        //    base.OnModelCreating(modelBuilder);
-        //}
-
         public DatabaseContext()
             : base(CONNECTION_STRING)
         {