IQueryProvider Interface

Definition

Defines methods to create and execute queries that are described by an IQueryable object.

C#
public interface IQueryProvider
Derived

Remarks

The IQueryProvider interface is intended for implementation by query providers.

For more information about how to create your own LINQ provider, see LINQ: Building an IQueryable Provider.

Methods

CreateQuery(Expression)

Constructs an IQueryable object that can evaluate the query represented by a specified expression tree.

CreateQuery<TElement>(Expression)

Constructs an IQueryable<T> object that can evaluate the query represented by a specified expression tree.

Execute(Expression)

Executes the query represented by a specified expression tree.

Execute<TResult>(Expression)

Executes the strongly-typed query represented by a specified expression tree.

Applies to

Product Versions
.NET Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9
.NET Framework 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 1.0, 1.1, 1.2, 1.3, 1.4, 1.6, 2.0, 2.1
UWP 10.0

See also