Expression.Calculate Method

Artikkeli
12/03/2008

Evaluates the Multidimensional Expressions (MDX) expression under a specified tuple and returns the scalar result.

Namespace: Microsoft.AnalysisServices.AdomdServer
Assembly: msmgdsrv (in msmgdsrv.dll)

Syntax

'Declaration
Public Function Calculate ( _
    tuple As Tuple _
) As MDXValue

public MDXValue Calculate (
    Tuple tuple
)

public:
MDXValue^ Calculate (
    Tuple^ tuple
)

public MDXValue Calculate (
    Tuple tuple
)

public function Calculate (
    tuple : Tuple
) : MDXValue

Parameters

tuple
The tuple under which to evaluate the MDX expression.

Return Value

An MDXValue that contains the scalar result of the MDX expression.

Remarks

The type of the MDXValue is a scalar value, such as an integer, a double, or a string. The MDXValue that is returned can be cast using one of the To methods, such as ToInt32, ToDouble, or ToString. The MDXValue can also be cast by language-specific casting.

To retrieve a non-scalar value, such as a Set, Tuple, or Member, after evaluating an MDX expression, use the CalculateMdxObject method.

Thread Safety

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Platforms

Development Platforms

For a list of the supported platforms, see Hardware and Software Requirements for Installing SQL Server 2005.

Target Platforms