COleVariant GetParamValue( LPCTSTR lpszName );
throw( CDaoException, CMemoryException );
COleVariant GetParamValue( int nIndex );
throw( CDaoException, CMemoryException );
Return Value
An object of class COleVariant that contains the parameter’s value.
Parameters
lpszName
The name of the parameter whose value you want, for lookup by name.
nIndex
The zero-based index of the parameter in the querydef’s Parameters collection, for lookup by index. You can obtain this value with calls to GetParameterCount and GetParameterInfo.
Remarks
Call this member function to retrieve the current value of the specified parameter stored in the querydef’s Parameters collection. You can access the parameter either by name or by its ordinal position in the collection.
For examples and more information about parameterizing queries, see the article DAO Queries: Filtering and Parameterizing Queries in Visual C++ Programmer's Guide. For related information, see the topic "PARAMETERS Declaration (SQL)" in DAO Help.
CDaoQueryDef Overview | Class Members | Hierarchy Chart
See Also CDaoQueryDef::SetParamValue