Will esTransactionScope utilize DTC for distributed transactions, even if a mix of EntitySpaces and non-EntitySpaces DB/web service/etc activity takes place within the esTransactionScope block?  (i.e. other custom class/objects that conduct activity that are not inherited from any of the EntitySpaces classes)

 
Thanks! 

The esTransactionScope is getting a major overhaul, I'm working on it now, it's awesome, you can do this now:

using(esTransactionScope scope1 = new esTransactionScope())
{
  // esTransactionScopeOption.Required is the default 
  using(esTransactionScope scope2 = new esTransactionScope(esTransactionScopeOption.RequiresNew)
  {
    // scope2 begins a new root transaction and will complete seperate from scope1
    using(esTransactionScope scope3 = new esTransactionScope()
    {
      // scope3 joins scope2, it's root parent
      scope3.Complete();
    }

    scope2.complete();
  }

  using(esTransactionScope scope4 = new esTransactionScope(esTransactionScopeOption.Suppress)
  {
    // esTransactionScopeOption.Suppress means use no transaction, even if nested like this
    // So anything done in here runs without a transaction

    scope4.Complete();
  }

  scope1.Complete();
}

I will be doing a blog post on some of the features rolling into es 1.6.0

As for distributed transaction, we do support them, here's how.

Just change your connection string "providerClass" from DataProvider to DataProviderEnterprise and EntitySpaces will use the Microsoft  TransactionScope internally and you can as well.

Thank for that.  To clarify another point (and I have not had the chance to test EntitySpaces yet):

 Can you do this, and expect TransactionScope and esTransactionScope to work properly, use DTC and expect no surprises:

using(TransactionScope scope1 = new TransactionScope())
{
  // use sqlcommand to insert into some db, totally not entityspaces related
  // executenonquery()

  using(esTransactionScope scope2 = new esTransactionScope()
  {
   // use EntitySpaces objects and DB functionality.
   // entity.save();

    scope2.complete();
  }
  scope1.Complete();
}