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Saxon API for .NET |

# XQueryEvaluator.EvaluateSingle Method

Evaluate the query, returning the result as an `XdmItem` (that is, a single node or atomic value).

public XdmItem EvaluateSingle();

#### Return Value

An `XdmItem` representing the result of the query, or null if the query returns an empty sequence. If the query returns a sequence of more than one item, any items after the first are ignored.

#### Exceptions

Exception Type | Condition
--- | ---
DynamicError | Throws a DynamicError if any run-time failure occurs while evaluating the expression.

#### See Also

XQueryEvaluator Class | Saxon.Api Namespace