How can TransactionScope be used for a Distributed Transaction?

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TransactionScope can be used for a distributed transaction by creating a new instance of TransactionScope and passing in a TransactionOptions object that specifies the desired transaction settings. This transaction settings can be set to DistributedTransaction when creating the instance of TransactionScope.

Then, within the scope of the TransactionScope, one can perform multiple operations on different databases or services in a single, coordinated transaction. Once all the operations have completed, the transaction can be committed or rolled back, ensuring that all changes are either committed or rolled back atomically.

It is required to have a resource manager to manage the transactions between the different resources. These resource managers can be database management systems or message queuing systems, and they must support two-phase commit to ensure the atomicity of the transaction.

By using TransactionScope for distributed transactions, users can ensure that their application data remains consistent and accurate, even when transactions span multiple systems or databases.