Tips and Tricks

Can TransactionScope be nested?

Can TransactionScope be nested?

Yes it will, you can refer to code below. Following code wil roll back outer transaction scope if inner transaction throw error and vice versa.

What is the use of TransactionScope in C#?

The TransactionScope makes the block of code as a part of a transaction without requesting c# developers to connect with the transaction itself. A TransactionScope is allowed to select and manage transaction environments automatically.

What is TransactionScope?

The TransactionScope class provides a simple way to mark a block of code as participating in a transaction, without requiring you to interact with the transaction itself. A transaction scope can select and manage the ambient transaction automatically.

What is an ambient transaction?

Ambient Transaction A transaction which automatically identifies a code block that needs to support a transaction without explicitly mentioning any transaction related things. An ambient transaction is not tied just to a database, any transaction aware provider can be used.

What is the default timeout for TransactionScope?

The TransactionScope class uses a default timeout (TransactionManager. DefaultTimeout, which has a default value of 1 minute). When the transaction timed out, it attempted to issue an abort command (SQLiteTransaction.

How do you use TransactionScope?

Using the TransactionScope

  1. Add a reference to System.
  2. Add a using System.
  3. Make sure that the Microsoft Distributed Transaction Coordinator is running.
  4. Create the TransactionScope object in a using statement.
  5. Complete all updates within the scope defined by the {} of the TransactionScope’s using statement.

How do I use TransactionScope in Entity Framework?

Transactions namespace was used to handle transactions in the Entity Framework using TransactionScope and the Entity Framework uses this transaction to save the changes in the database.

  1. using (TransactionScope scope = new TransactionScope())
  2. {
  3. //Code Here.
  4. }

Does SaveChanges commit?

1 Answer. Yes, if you explicitly wrap your context within a transaction such as . Net’s TransactionScope, you can retrieve auto-generated IDs from entities after a . SaveChanges() call, without committing the scoped transaction.

What is UseLazyLoadingProxies?

Overloads. UseLazyLoadingProxies(DbContextOptionsBuilder, Boolean) Turns on the creation of lazy-loading proxies. Note that this requires appropriate services to be available in the EF internal service provider.

What is LazyLoadingEnabled?

LazyLoadingEnabled is specifically set to true to prevent the related entities from loading in the context I’m using. A drug class has a list of drugidentity objects in it. public class Drug { public virtual List DrugIdentities { get; set; } }

Is Dbcontext SaveChanges Atomic?

SaveChanges is not atomic. By not atomic I mean that the committed data can be read before all the commit was completed.

What is a transaction scope or nested transaction?

In this article you will learn about a transaction scope or nested transaction. A transaction scope can select and manage the ambient transaction automatically. Due to its ease of use and efficiency, it is recommended that you use the Transaction Scope class when developing a transaction application.

What is the use of TransactionScope?

A transaction scope can select and manage the ambient transaction automatically. Due to its ease of use and efficiency, it is recommended that you use the TransactionScope class when developing a transaction application. In addition, you do not need to enlist resources explicitly with the transaction.

What happens when a TransactionScope object is disposed of?

When a TransactionScope object joins an existing ambient transaction, disposing of the scope object may not end the transaction, unless the scope aborts the transaction. If the ambient transaction was created by a root scope, only when the root scope is disposed of, does Commit get called on the transaction.

How do you throw an exception in a transaction scope?

For example, you can throw an exception within the scope. The transaction in which it participates in will be rolled back. Transaction scope can be nested by calling a method that uses a TransactionScope from within a method that uses its own scope, as is the case with the RootMethod method in the following example,