QueryableEx.Distinct(TSource, TKey) Method (IQueryable(TSource), Expression(Func(TSource, TKey)))

QueryableExDistinctTSource, TKey Method (IQueryableTSource, ExpressionFuncTSource, TKey)

Returns elements with a distinct key value by using the default equality comparer to compare key values.

Namespace: System.Linq
Assembly: System.Interactive.Providers (in System.Interactive.Providers.dll) Version: 1.2.0.0

Syntax

public static IQueryable<TSource> Distinct<TSource, TKey>(
	this IQueryable<TSource> source,
	Expression<Func<TSource, TKey>> keySelector
)

source: Type: System.LinqIQueryableTSource
Source sequence.
keySelector: Type: System.Linq.ExpressionsExpressionFuncTSource, TKey
Key selector.

Type: IQueryableTSource
Sequence that contains the elements from the source sequence with distinct key values.

In Visual Basic and C#, you can call this method as an instance method on any object of type IQueryableTSource. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).