ReadOnlyRepositoryExtensions.GetFilteredEntities<TEntity, TProjection>(IReadOnlyRepository<TEntity>, Expression<Func<TEntity, Boolean>>, Func<IRepositoryQuery<TEntity>, IQueryable<TProjection>>) Method

Creates an IQuerable representing a sequence of entities from a repository filtered by a given predicate and projected to a specified projection entity type by a given LINQ function.

Namespace: DevExpress.Mvvm.DataModel

Assembly: DevExpress.Mvvm.v19.1.DataModel.dll

Declaration

C#

public static IQueryable<TProjection> GetFilteredEntities<TEntity, TProjection>(
    this IReadOnlyRepository<TEntity> repository,
    Expression<Func<TEntity, bool>> predicate,
    Func<IRepositoryQuery<TEntity>, IQueryable<TProjection>> projection
)
    where TEntity : class

VB.NET

<ExtensionAttribute>
Public Shared Function GetFilteredEntities(Of TEntity As Class, TProjection)(
    repository As IReadOnlyRepository(Of TEntity),
    predicate As Expression(Of Func(Of TEntity, Boolean)),
    projection As Func(Of IRepositoryQuery(Of TEntity), IQueryable(Of TProjection))
) As IQueryable(Of TProjection)

Parameters

Name	Type	Description
repository	IReadOnlyRepository<TEntity>	A repository.
predicate	Expression<Func<TEntity, Boolean>>	A LINQ function used to transform entities from repository entity type to projection entity type.
projection	Func<IRepositoryQuery<TEntity>, IQueryable<TProjection>>

Type Parameters

Name
TEntity
TProjection

Returns

Type
IQueryable<TProjection>