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CDynamicParameterAccessor::GetParamLength

  • 项目

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

bool GetParamLength( 
   DBORDINAL nParam, 
   DBLENGTH* pLength 
); 
DBLENGTH* GetParamLength( 
   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.

  • pLength
    [out] A pointer to the variable containing the length in bytes of the specified parameter.

Remarks

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

Requirements

Header: atldbcli.h

See Also

Reference

CDynamicParameterAccessor Class