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ADO Error Codes
In addition to the provider errors that are described in the Error object and Errors collection, ADO itself can return errors to the exception-handling mechanism of your run-time environment. Use your programming language's error trapping mechanism, such as the On Error statement in Microsoft® Visual Basic®, to trap and handle the following errors. Both decimal and hexadecimal error code values are shown.
Constant Name Number Description adErrInvalidArgument 3001 0x800A0BB9
The application is using arguments that are of the wrong type, are out of acceptable range, or are in conflict with one another. adErrNoCurrentRecord 3021 0x800A0BCD
Either BOF or EOF is True, or the current record has been deleted; the operation requested by the application requires a current record. adErrIllegalOperation 3219 0x800A0C93
The operation requested by the application is not allowed in this context. adErrInTransaction 3246 0x800A0CAE
The application may not explicitly close a Connection object while in the middle of a transaction. adErrFeatureNotAvailable 3251 0x800A0CB3
The operation requested by the application is not supported by the provider. adErrItemNotFound 3265 0x800A0CC1
ADO could not find the object in the collection corresponding to the name or ordinal reference requested by the application. adErrObjectInCollection 3367 0x800A0D27
Can't append. Object already in collection. adErrObjectNotSet 3420 0x800A0D5C
The object referenced by the application no longer points to a valid object. adErrDataConversion 3421 0x800A0D5D
The application is using a value of the wrong type for the current operation. adErrObjectClosed 3704 0x800A0E78
The operation requested by the application is not allowed if the object is closed. adErrObjectOpen 3705 0x800A0E79
The operation requested by the application is not allowed if the object is open. adErrProviderNotFound 3706 0x800A0E7A
ADO could not find the specified provider. adErrBoundToCommand 3707 0x800A0E7B
The application cannot change the ActiveConnection property of a Recordset object with a Command object as its source. adErrInvalidParamInfo 3708 0x800A0E7C
The application has improperly defined a Parameter object. adErrInvalidConnection 3709 0x800A0E7D
The application requested an operation on an object with a reference to a closed or invalid Connection object.
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