TxnLevel Function |  |
-- todo --
Returns a numeric value indicating the current transaction level.
Namespace: XSharp.VFP
Assembly: XSharp.VFP (in XSharp.VFP.dll) Version: 2.21
SyntaxRemarks
Use BEGIN TRANSACTION to create a transaction. Transactions are nested by issuing BEGIN TRANSACTION when another transaction is in progress.
Transactions can be nested in this manner to five levels. Use TXNLEVEL( ) to determine the current transaction level.
TXNLEVEL( ) returns a value from 0 to 5. TXNLEVEL( ) returns 0 if a transaction is not in progress.
TXNLEVEL( ) returns a value from 0 to 5. TXNLEVEL( ) returns 0 if a transaction is not in progress.
ExamplesX#
1Close Databases 2Open Database (HOME(2) + 'Data\testdata') 3Use Customer // Open customer table 4Clear 5BEGIN TRANSACTION 6tLevel = ALLTRIM(STR(TXNLEVEL())) 7=MessageBox("Current Transaction: " + tLevel, 0, "Transaction Level") 8BEGIN TRANSACTION 9tLevel = ALLTRIM(STR(TXNLEVEL())) 10=MessageBox("Current Transaction: " + tLevel, 0, ; 11"Transaction Level") 12END TRANSACTION 13END TRANSACTION
See Also