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

QueryableEx.MinBy<TSource, TKey> Method (IQueryable<TSource>, Expression<Func<TSource, TKey>>)

Returns the elements with the minimum key value by using the default 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 IList<TSource> MinBy<TSource, TKey>(
	this IQueryable<TSource> source,
	Expression<Func<TSource, TKey>> keySelector
)

source: Type: System.Linq.IQueryable<TSource>
Source sequence.
keySelector: Type: System.Linq.Expressions.Expression<Func<TSource, TKey>>
Key selector used to extract the key for each element in the sequence.

Type: IList<TSource>
List with the elements that share the same minimum key value.

In Visual Basic and C#, you can call this method as an instance method on any object of type IQueryable<TSource>. 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).