通过

CDynamicParameterAccessor::GetParamStatus

  • 项目

Retrieves the status of the specified parameter stored in the buffer.

bool GetParamStatus( 
   DBORDINAL nParam, 
   DBSTATUS* pStatus 
); 
DBSTATUS* GetParamStatus( 
   DBORDINAL nParam  
) const throw( );

Parameters

  • nParam
    [in] The parameter number (offset from 1). Parameter 0 is reserved for return values. The parameter number is the index of the parameter based on its order in the SQL or stored procedure call. See SetParam for an example.

  • pStatus
    [out] A pointer to the variable containing the DBSTATUS status of the specified parameter. For information on DBSTATUS values, see Status in the OLE DB Programmer's Reference, or search for DBSTATUS in oledb.h.

Remarks

The first override returns true on success or false on failure. The second override points to the memory containing the status of the specified parameter.

Requirements

Header: atldbcli.h

See Also

Reference

CDynamicParameterAccessor Class