public sealed class TransactionId : IEquatable<TransactionId>
A TransactionId holds identifying information about an active transaction in
Cloud Spanner. Since it is serializable, it enables you to send this information
to another process or machine so it may connect to the same transaction.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThe latest version available is 5.0.0-beta05, while the current document covers version 3.11.0 of the \u003ccode\u003eGoogle.Cloud.Spanner.Data\u003c/code\u003e library.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eTransactionId\u003c/code\u003e is a class that holds identifying information about an active transaction in Cloud Spanner, enabling it to be sent to other processes or machines for transaction continuation.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eTransactionId\u003c/code\u003e class inherits from \u003ccode\u003eObject\u003c/code\u003e and implements the \u003ccode\u003eIEquatable\u003c/code\u003e interface, allowing for comparison with other \u003ccode\u003eTransactionId\u003c/code\u003e objects.\u003c/p\u003e\n"],["\u003cp\u003eThe class provides methods to convert a \u003ccode\u003eTransactionId\u003c/code\u003e instance to and from a Base64 encoded string, via \u003ccode\u003eToBase64String()\u003c/code\u003e and \u003ccode\u003eFromBase64String(String)\u003c/code\u003e, respectively.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eTransactionId\u003c/code\u003e has a \u003ccode\u003eConnectionString\u003c/code\u003e property that is a string representing the connection string this transaction was created in.\u003c/p\u003e\n"]]],[],null,[]]
