Where(ITypedEntityQuery,IPredicateDescription) Method

Filters a sequence of values based on a IdeaBlade.Linq.PredicateDescription.

Syntax

Visual Basic
C#

'Declaration
 
<ExtensionAttribute()>
Public Overloads Shared Function Where( _
   ByVal source As ITypedEntityQuery, _
   ByVal predicateDescription As IPredicateDescription _
) As ITypedEntityQuery

'Usage
 
Dim source As ITypedEntityQuery
Dim predicateDescription As IPredicateDescription
Dim value As ITypedEntityQuery
 
value = EntityQueryExtensions.Where(source, predicateDescription)

[Extension()]
public static ITypedEntityQuery Where( 
   ITypedEntityQuery source,
   IPredicateDescription predicateDescription
)

Parameters

source
predicateDescription

Example

var mgr = new DomainModelEntityManager();

var entityType = typeof(Customer);
var baseQuery = EntityQuery.Create(entityType, mgr);
var predicate = PredicateBuilder.Make(typeof(Customer), "Country", FilterOperator.StartsWith, "U");
var query = baseQuery.Where(predicate);
var list = query.Execute();

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

EntityQueryExtensions Class
EntityQueryExtensions Members
Overload List