protected override void OnModelCreating(DbModelBuilder modelBuilder)
 {
     modelBuilder.Configurations.Add(User.Map());
     modelBuilder.Configurations.Add(Role.Map());
     modelBuilder.Configurations.Add(Corporation.Map());
     modelBuilder.Configurations.Add(Product.Map());
     modelBuilder.Configurations.Add(Entities.ProductUnit.Map());
     modelBuilder.Configurations.Add(ProductCategory.Map());
     modelBuilder.Configurations.Add(InventoryInsType.Map());
     modelBuilder.Configurations.Add(InventoryInsHeader.Map());
     modelBuilder.Configurations.Add(InventoryInsDeatil.Map());
     modelBuilder.Configurations.Add(InventoryOutsType.Map());
     modelBuilder.Configurations.Add(InventoryOutsHeader.Map());
     modelBuilder.Configurations.Add(InventoryOutsDeatil.Map());
     modelBuilder.Configurations.Add(ProductParameterValue.Map());
     modelBuilder.Configurations.Add(ProductParameter.Map());
     base.OnModelCreating(modelBuilder);
 }