C# Класс Telerik.Web.Mvc.Extensions.QueryableExtensions

Открытые методы

Метод	Описание
Aggregate ( this source, IEnumerable aggregateFunctions ) : AggregateResultCollection	Calculates the results of given aggregates functions on a sequence of elements.
Count ( this source ) : int	Returns the number of elements in a sequence.
ElementAt ( this source, int index ) : object	Returns the element at a specified index in a sequence.
GroupBy ( this source, IEnumerable groupDescriptors ) : IQueryable	Groups the elements of a sequence according to a specified groupDescriptors.
GroupBy ( this source, LambdaExpression keySelector ) : IQueryable	Groups the elements of a sequence according to a specified key selector function.
OrderBy ( this source, LambdaExpression keySelector ) : IQueryable	Sorts the elements of a sequence in ascending order according to a key.
OrderBy ( this source, LambdaExpression keySelector, ListSortDirection sortDirection ) : IQueryable	Calls OrderBy(System.Linq.IQueryable,System.Linq.Expressions.LambdaExpression) or OrderByDescending depending on the sortDirection.
OrderByDescending ( this source, LambdaExpression keySelector ) : IQueryable	Sorts the elements of a sequence in descending order according to a key.
Page ( this source, int pageIndex, int pageSize ) : IQueryable	Pages through the elements of a sequence until the specified pageIndex using pageSize.
Select ( this source, LambdaExpression selector ) : IQueryable	Projects each element of a sequence into a new form.
Skip ( this source, int count ) : IQueryable	Bypasses a specified number of elements in a sequence and then returns the remaining elements.
Sort ( this source, IEnumerable sortDescriptors ) : IQueryable	Sorts the elements of a sequence using the specified sort descriptors.
Take ( this source, int count ) : IQueryable	Returns a specified number of contiguous elements from the start of a sequence.
ToGridModel ( this queryable, Telerik.Web.Mvc.GridState state ) : Telerik.Web.Mvc.GridModel
ToGridModel ( this queryable, int page, int pageSize, IList sortDescriptors, IEnumerable filterDescriptors, IEnumerable groupDescriptors ) : Telerik.Web.Mvc.GridModel
ToGridModel ( this queryable, int page, int pageSize, string orderBy, string groupBy, string filter ) : Telerik.Web.Mvc.GridModel
ToGroupingGridModel ( this queryable, IEnumerable groupDescriptors, int totalCount ) : Telerik.Web.Mvc.GridModel
ToIList ( this source ) : IList	Creates a IList{T} from an IQueryable where T is IQueryable.ElementType.
Where ( this source, Expression predicate ) : IQueryable	Filters a sequence of values based on a predicate.
Where ( this source, IEnumerable filterDescriptors ) : IQueryable	Filters a sequence of values based on a collection of IFilterDescriptor.

Приватные методы

Метод	Описание
CallQueryableMethod ( this source, string methodName, LambdaExpression selector ) : IQueryable
IsBindableType ( Type type ) : bool
Ordered ( this source ) : IQueryable
SelectDistinct ( this source, Type propertyType, string propertyName ) : IQueryable

Описание методов

Aggregate() публичный статический Метод

Calculates the results of given aggregates functions on a sequence of elements.

public static Aggregate ( this source, IEnumerable aggregateFunctions ) : AggregateResultCollection
source	this	An whose elements will /// be used for aggregate calculation.
aggregateFunctions	IEnumerable	The aggregate functions.
Результат	AggregateResultCollection

Count() публичный статический Метод

Returns the number of elements in a sequence.

is null.

public static Count ( this source ) : int
source	this	/// The that contains the elements to be counted. ///
Результат	int

ElementAt() публичный статический Метод

Returns the element at a specified index in a sequence.

is null. is less than zero.

public static ElementAt ( this source, int index ) : object
source	this	An to return an element from.
index	int	The zero-based index of the element to retrieve.
Результат	object

GroupBy() публичный статический Метод

Groups the elements of a sequence according to a specified groupDescriptors.

public static GroupBy ( this source, IEnumerable groupDescriptors ) : IQueryable
source	this	An whose elements to group.
groupDescriptors	IEnumerable	The group descriptors used for grouping.
Результат	IQueryable

GroupBy() публичный статический Метод

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

public static GroupBy ( this source, LambdaExpression keySelector ) : IQueryable
source	this	An whose elements to group.
keySelector	System.Linq.Expressions.LambdaExpression	A function to extract the key for each element.
Результат	IQueryable

OrderBy() публичный статический Метод

Sorts the elements of a sequence in ascending order according to a key.

public static OrderBy ( this source, LambdaExpression keySelector ) : IQueryable
source	this	/// A sequence of values to order. ///
keySelector	System.Linq.Expressions.LambdaExpression	/// A function to extract a key from an element. ///
Результат	IQueryable

OrderBy() публичный статический Метод

Calls OrderBy(System.Linq.IQueryable,System.Linq.Expressions.LambdaExpression) or OrderByDescending depending on the sortDirection.

public static OrderBy ( this source, LambdaExpression keySelector, ListSortDirection sortDirection ) : IQueryable
source	this	The source.
keySelector	System.Linq.Expressions.LambdaExpression	The key selector.
sortDirection	ListSortDirection	The sort direction.
Результат	IQueryable

OrderByDescending() публичный статический Метод

Sorts the elements of a sequence in descending order according to a key.

public static OrderByDescending ( this source, LambdaExpression keySelector ) : IQueryable
source	this	/// A sequence of values to order. ///
keySelector	System.Linq.Expressions.LambdaExpression	/// A function to extract a key from an element. ///
Результат	IQueryable

Page() публичный статический Метод

Pages through the elements of a sequence until the specified pageIndex using pageSize.

public static Page ( this source, int pageIndex, int pageSize ) : IQueryable
source	this	A sequence of values to page.
pageIndex	int	Index of the page.
pageSize	int	Size of the page.
Результат	IQueryable

Select() публичный статический Метод

Projects each element of a sequence into a new form.

public static Select ( this source, LambdaExpression selector ) : IQueryable
source	this	A sequence of values to project.
selector	System.Linq.Expressions.LambdaExpression	A projection function to apply to each element.
Результат	IQueryable

Skip() публичный статический Метод

Bypasses a specified number of elements in a sequence and then returns the remaining elements.

is null.

public static Skip ( this source, int count ) : IQueryable
source	this	/// An to return elements from. ///
count	int	/// The number of elements to skip before returning the remaining elements. ///
Результат	IQueryable

Sort() публичный статический Метод

Sorts the elements of a sequence using the specified sort descriptors.

public static Sort ( this source, IEnumerable sortDescriptors ) : IQueryable
source	this	A sequence of values to sort.
sortDescriptors	IEnumerable	The sort descriptors used for sorting.
Результат	IQueryable

Take() публичный статический Метод

Returns a specified number of contiguous elements from the start of a sequence.

is null.

public static Take ( this source, int count ) : IQueryable
source	this	The sequence to return elements from.
count	int	The number of elements to return.
Результат	IQueryable

ToGridModel() публичный статический Метод

public static ToGridModel ( this queryable, Telerik.Web.Mvc.GridState state ) : Telerik.Web.Mvc.GridModel
queryable	this
state	Telerik.Web.Mvc.GridState
Результат	Telerik.Web.Mvc.GridModel

ToGridModel() публичный статический Метод

public static ToGridModel ( this queryable, int page, int pageSize, IList sortDescriptors, IEnumerable filterDescriptors, IEnumerable groupDescriptors ) : Telerik.Web.Mvc.GridModel
queryable	this
page	int
pageSize	int
sortDescriptors	IList
filterDescriptors	IEnumerable
groupDescriptors	IEnumerable
Результат	Telerik.Web.Mvc.GridModel

ToGridModel() публичный статический Метод

public static ToGridModel ( this queryable, int page, int pageSize, string orderBy, string groupBy, string filter ) : Telerik.Web.Mvc.GridModel
queryable	this
page	int
pageSize	int
orderBy	string
groupBy	string
filter	string
Результат	Telerik.Web.Mvc.GridModel

ToGroupingGridModel() публичный статический Метод

public static ToGroupingGridModel ( this queryable, IEnumerable groupDescriptors, int totalCount ) : Telerik.Web.Mvc.GridModel
queryable	this
groupDescriptors	IEnumerable
totalCount	int
Результат	Telerik.Web.Mvc.GridModel

ToIList() публичный статический Метод

Creates a IList{T} from an IQueryable where T is IQueryable.ElementType.

/// is null. ///

public static ToIList ( this source ) : IList
source	this	/// The to create a from. ///
Результат	IList

Where() публичный статический Метод

Filters a sequence of values based on a predicate.

public static Where ( this source, Expression predicate ) : IQueryable
source	this	An to filter.
predicate	System.Linq.Expressions.Expression	A function to test each element for a condition.
Результат	IQueryable

Where() публичный статический Метод

Filters a sequence of values based on a collection of IFilterDescriptor.

public static Where ( this source, IEnumerable filterDescriptors ) : IQueryable
source	this	The source.
filterDescriptors	IEnumerable	The filter descriptors.
Результат	IQueryable