ObjectQuery<T>.SelectValue<TResultType> Method
Definition
Important
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Limits the query results to only the property specified in the projection.
public System.Data.Entity.Core.Objects.ObjectQuery<TResultType> SelectValue<TResultType> (string projection, params System.Data.Entity.Core.Objects.ObjectParameter[] parameters);member this.SelectValue : string * System.Data.Entity.Core.Objects.ObjectParameter[] -> System.Data.Entity.Core.Objects.ObjectQuery<'ResultType>Public Function SelectValue(Of TResultType) (projection As String, ParamArray parameters As ObjectParameter()) As ObjectQuery(Of TResultType)Type Parameters
- TResultType
The type of the ObjectQuery<T> returned by the SelectValue<TResultType>(String, ObjectParameter[]) method.
Parameters
- projection
- String
The projection list.
- parameters
- ObjectParameter[]
An optional set of query parameters that should be in scope when parsing.
Returns
A new ObjectQuery<T> instance of a type compatible with the specific projection. The returned ObjectQuery<T> is equivalent to the original instance with SELECT VALUE applied.
Exceptions
projection is null or parameters is null.
The projection is an empty string.
Applies to
Entity Framework