Where<TSource>(IQueryable<TSource>,IPredicateDescription) Method

Filters a sequence of values based on a PredicateDescription

Syntax

Visual Basic
C#

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

'Usage
 
Dim source As IQueryable(Of TSource)
Dim predicateDescription As IPredicateDescription
Dim value As IQueryable(Of TSource)
 
value = QueryableExtensions.Where(Of TSource)(source, predicateDescription)

[Extension()]
public static IQueryable<TSource> Where<TSource>( 
   IQueryable<TSource> source,
   IPredicateDescription predicateDescription
)

Parameters

source
predicateDescription

Type Parameters

TSource

Example

public void WherePredicateQuery() {
  var mgr = new DomainModelEntityManager();
  var predicate = PredicateBuilder.Make(typeof(Customer), "Country", FilterOperator.StartsWith, "U");
  var query = mgr.Customers.Where(predicate);
  var list = query.ToList();
}

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

QueryableExtensions Class
QueryableExtensions Members
Overload List