CollectionQueryableExtensions Class

Namespace: PTS.Collections

Assembly: PTS.Collections.dll

Syntax

public static class CollectionQueryableExtensions

Inheritance

System.Object

CollectionQueryableExtensions

Methods

OrderBy<TSource, TKey>(IQueryable<TSource>, Expression<Func<TSource, TKey>>, Boolean)

Orders the source by descending

Declaration

public static IOrderedQueryable<TSource> OrderBy<TSource, TKey>(this IQueryable<TSource> source, Expression<Func<TSource, TKey>> keySelector, bool descending)

Parameters

Type	Name	Description
System.Linq.IQueryable<TSource>	source	The source.
System.Linq.Expressions.Expression<System.Func<TSource, TKey>>	keySelector	The key selector.
System.Boolean	descending	if set to true then descending ordering is applie.

Returns

Type	Description
System.Linq.IOrderedQueryable<TSource>

Type Parameters

Name	Description
TSource	The type of the source.
TKey	The type of the key.

Paged<T>(IQueryable<T>, Int32, Int32)

Applies paging to the IQueryable source.

Declaration

public static IQueryable<T> Paged<T>(this IQueryable<T> source, int pageNumber, int pageSize)

Parameters

Type	Name	Description
System.Linq.IQueryable<T>	source	The source.
System.Int32	pageNumber	The page number (sarting from 1).
System.Int32	pageSize	Size of the page.

Returns

Type	Description
System.Linq.IQueryable<T>

Type Parameters

Name	Description
T

Exceptions

Type	Condition
System.ArgumentOutOfRangeException	pageNumber - The page number must be greater or equal 1.

ToPagedList<T>(IQueryable<T>, Int32, Int32)

Gets a paged collection from the IQueryable source. Note: Any already applied pagination might cause unexpected behaviour.

Declaration

public static PagedList<T> ToPagedList<T>(this IQueryable<T> source, int pageNumber, int pageSize)

Parameters

Type	Name	Description
System.Linq.IQueryable<T>	source	The source.
System.Int32	pageNumber	Page number (starting from 1).
System.Int32	pageSize	Page size.

Returns

Type	Description
PagedList<T>

Type Parameters

Name	Description
T	The type.

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()