Class AbpQueryableExtensions

Some useful extension methods for .

Inheritance

System.Object

AbpQueryableExtensions

Namespace: System.Linq

Assembly: Volo.Abp.Core.dll

Syntax

public static class AbpQueryableExtensions : object

Methods

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

Used for paging. Can be used as an alternative to Skip(...).Take(...) chaining.

Declaration

public static IQueryable<T> PageBy<T>(this IQueryable<T> query, int skipCount, int maxResultCount)

Parameters

Type	Name	Description
IQueryable<T>	query
System.Int32	skipCount
System.Int32	maxResultCount

Returns

Type	Description
IQueryable<T>

Type Parameters

Name	Description
T

PageBy<T, TQueryable>(TQueryable, Int32, Int32)

Used for paging. Can be used as an alternative to Skip(...).Take(...) chaining.

Declaration

public static TQueryable PageBy<T, TQueryable>(this TQueryable query, int skipCount, int maxResultCount)

    where TQueryable : IQueryable<T>

Parameters

Type	Name	Description
TQueryable	query
System.Int32	skipCount
System.Int32	maxResultCount

Returns

Type	Description
TQueryable

Type Parameters

Name	Description
T
TQueryable

WhereIf<T>(IQueryable<T>, Boolean, Expression<Func<T, Boolean>>)

Filters a by given predicate if given condition is true.

Declaration

public static IQueryable<T> WhereIf<T>(this IQueryable<T> query, bool condition, Expression<Func<T, bool>> predicate)

Parameters

Type	Name	Description
IQueryable<T>	query	Queryable to apply filtering
System.Boolean	condition	A boolean value
Expression<Func<T, System.Boolean>>	predicate	Predicate to filter the query

Returns

Type	Description
IQueryable<T>	Filtered or not filtered query based on condition

Type Parameters

Name	Description
T

WhereIf<T>(IQueryable<T>, Boolean, Expression<Func<T, Int32, Boolean>>)

Filters a by given predicate if given condition is true.

Declaration

public static IQueryable<T> WhereIf<T>(this IQueryable<T> query, bool condition, Expression<Func<T, int, bool>> predicate)

Parameters

Type	Name	Description
IQueryable<T>	query	Queryable to apply filtering
System.Boolean	condition	A boolean value
Expression<Func<T, System.Int32, System.Boolean>>	predicate	Predicate to filter the query

Returns

Type	Description
IQueryable<T>	Filtered or not filtered query based on condition

Type Parameters

Name	Description
T

WhereIf<T, TQueryable>(TQueryable, Boolean, Expression<Func<T, Boolean>>)

Filters a by given predicate if given condition is true.

Declaration

public static TQueryable WhereIf<T, TQueryable>(this TQueryable query, bool condition, Expression<Func<T, bool>> predicate)

    where TQueryable : IQueryable<T>

Parameters

Type	Name	Description
TQueryable	query	Queryable to apply filtering
System.Boolean	condition	A boolean value
Expression<Func<T, System.Boolean>>	predicate	Predicate to filter the query

Returns

Type	Description
TQueryable	Filtered or not filtered query based on condition

Type Parameters

Name	Description
T
TQueryable

WhereIf<T, TQueryable>(TQueryable, Boolean, Expression<Func<T, Int32, Boolean>>)

Filters a by given predicate if given condition is true.

Declaration

public static TQueryable WhereIf<T, TQueryable>(this TQueryable query, bool condition, Expression<Func<T, int, bool>> predicate)

    where TQueryable : IQueryable<T>

Parameters

Type	Name	Description
TQueryable	query	Queryable to apply filtering
System.Boolean	condition	A boolean value
Expression<Func<T, System.Int32, System.Boolean>>	predicate	Predicate to filter the query

Returns

Type	Description
TQueryable	Filtered or not filtered query based on condition

Type Parameters

Name	Description
T
TQueryable