Why my Entity Framework Code First Entities are being detached? - ef-code-first

Question

I am using the code first (EF5) approach to create my domain classes. I perform a query to pull a Parent record w/ a collection of child's. I need to edit my parent and perform CRUD operations on childs.
The problem that when saving my objects (parent/child) the entities state is Detached thus without putting an extra logic I don't now if the objects where modified, deleted or inserted.
How can I enable EF to keep traking of my entities or not detaching my entities?
Here is my code:
public class myDbContext : DbContext
{
#region ConnectionStrings
public myDbContext()
: base(ConfigurationManager.ConnectionStrings[ConfigurationManager.AppSettings["ActiveDB_my"]].ToString())
{
this.Configuration.LazyLoadingEnabled = true;
Database.SetInitializer<myDbContext>(null);
//this.Configuration.ProxyCreationEnabled = true;
//this.Configuration.AutoDetectChangesEnabled = true;
}
#endregion
#region EntityFramework
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
//Entity Framework Configurations
modelBuilder.Conventions.Remove<PluralizingTableNameConvention>();
//Load Entity Configurations
dbomyAnotations.Load(ref modelBuilder);
base.OnModelCreating(modelBuilder);
}
#endregion
#region EntityRegistrations
//Client
public DbSet<ClientLocation> ClientLocations { get; set; }
//Templates
public DbSet<Template> Templates { get; set; }
#endregion
}
namespace App.myTrak.BL
{
public class Templates
{
public static ClientLocation getTemplatesForClientLocation(int clientLocationId)
{
ClientLocation entity = null;
using (myDbContext db = new myDbContext())
{
entity = db.ClientLocations
.Where(c => c.ClientLocationId == clientLocationId)
.Include(t => t.Templates)
.FirstOrDefault();
}
return entity;
}
public static void saveForTemplates(ClientLocation clientLocations)
{
int Id = clientLocations.ClientLocationId;
var db = new myDbContext();
//Client Location
db.ClientLocations.Attach(clientLocations);
db.Entry(clientLocations).State = System.Data.EntityState.Unchanged;
db.Entry(clientLocations).Property(x => x.ShowPresoldProducts).IsModified = true;
//App Templates
foreach (var template in clientLocations.Templates)
{
db.Templates.Attach(template);
db.Entry(template).State = System.Data.EntityState.Unchanged;
if (template.DeleteDate != null)
{
db.Entry(template).Property(x => x.DeleteUserId).IsModified = true;
db.Entry(template).Property(x => x.DeleteDate).IsModified = true;
template.DeleteDate = Shared.Common.DateTimeUTC();
}
else if (template.TemplateId == 0)
db.Entry(template).State = System.Data.EntityState.Added;
else
{
//Modified
db.Entry(template).Property(x => x.TemplateName).IsModified = true;
db.Entry(template).Property(x => x.Description).IsModified = true;
db.Entry(template).Property(x => x.AppTypeId).IsModified = true;
db.Entry(template).Property(x => x.ModifyUserId).IsModified = true;
db.Entry(template).Property(x => x.ModifyDate).IsModified = true;
template.ModifyDate = Shared.Common.DateTimeUTC();
template.ModifyUserId = CurrentUserId;
}
}
db.SaveChanges();
db.Database.Connection.Close();
}
}
}