SqlRollBack Function |  |
Cancels any changes made during the current transaction.
Namespace: XSharp.VFP
Assembly: XSharp.VFP (in XSharp.VFP.dll) Version: 2.21
SyntaxRequest Example
View Source
Numeric. SqlRollBack( ) returns 1 if the transaction is successfully rolled back; otherwise, it returns -1. If SqlRollBack( ) returns -1, you can use AError( ) to determine why the transaction could not be rolled back.
Parameters
- nStatementHandle
- Type: Long
Specifies the statement handle to the data source returned by SqlConnect( ).
Return Value
Type: LongNumeric. SqlRollBack( ) returns 1 if the transaction is successfully rolled back; otherwise, it returns -1. If SqlRollBack( ) returns -1, you can use AError( ) to determine why the transaction could not be rolled back.
Remarks
If manual transactions are in effect (the SqlSetProp( ) transaction property is set to manual), you can send multiple updates to remote tables.
The updates can all be rolled back with SqlRollBack( ).
Updates can be committed with SqlCommit( ).
Updates can be committed with SqlCommit( ).
ExamplesX#
1= SqlSetProp(gnHandle, 'Transactions', 2) // manual 2= SqlExec(gnHandle, "Insert Into authors (au_id, au_lname); 3VALUES ('aupoe', 'Poe')") 4= SqlRollBack(gnHandle)
See Also