RAD Studio VCL Reference
TADOConnection.InTransaction Property

Indicates whether a transaction is in progress.

property InTransaction: Boolean;
__property Boolean InTransaction;

Read InTransaction at runtime to determine whether a transaction is currently active for the ADO connection component. If the connection component is currently in a transaction, InTransaction contains a true value. If no transaction is currently active it contains false. 

A transaction is will be active if the BeginTrans method has been called to initiate a transaction but that transaction has not either been consummated by calling CommitTrans or canceled by calling the RollbackTrans method. Use the InTransaction property to prevent calling BeginTrans when a transaction has already been initiated for the connection component. 


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