QueryableExtensions.GroupBy Method (IQueryable, LambdaExpression)

QueryableExtensionsGroupBy Method (IQueryable, LambdaExpression)

Groups the elements of a sequence according to a specified key selector function.

Namespace: Kettic.AspNet.Data.Extensions
Assembly: Kettic.AspNet.Controls (in Kettic.AspNet.Controls.dll) Version: 2014.4.1129.0 (2014.04.1129.0)

Syntax

C++

Copy

public static IQueryable GroupBy(
	this IQueryable source,
	LambdaExpression keySelector
)

<ExtensionAttribute> 
Public Shared Function GroupBy ( 
	source As IQueryable,
	keySelector As LambdaExpression
) As IQueryable

public:
[ExtensionAttribute]
static IQueryable^ GroupBy(
	IQueryable^ source, 
	LambdaExpression^ keySelector
)

static member GroupBy : 
        source : IQueryable * 
        keySelector : LambdaExpression -> IQueryable

Parameters

source: Type: System.LinqIQueryable
An IQueryable whose elements to group.
keySelector: Type: System.Linq.ExpressionsLambdaExpression
A function to extract the key for each element.

Return Value

Type: IQueryable
An IQueryable with IGroupingTKey, TElement items, whose elements contains a sequence of objects and a key.

Usage Note

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

Reference

QueryableExtensions Class

GroupBy Overload

Kettic.AspNet.Data.Extensions Namespace