IQueryProvider.CreateQuery Method
Definition
Important
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Overloads
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. |
CreateQuery(Expression)
Constructs an IQueryable object that can evaluate the query represented by a specified expression tree.
public:
System::Linq::IQueryable ^ CreateQuery(System::Linq::Expressions::Expression ^ expression);
public System.Linq.IQueryable CreateQuery (System.Linq.Expressions.Expression expression);
abstract member CreateQuery : System.Linq.Expressions.Expression -> System.Linq.IQueryable
Public Function CreateQuery (expression As Expression) As IQueryable
Parameters
- expression
- Expression
An expression tree that represents a LINQ query.
Returns
An IQueryable that can evaluate the query represented by the specified expression tree.
Remarks
Note
The Expression property of the returned IQueryable object is equal to expression
.
The CreateQuery method is used to create new IQueryable objects, given an expression tree. The query that is represented by the returned object is associated with a specific LINQ provider.
Several of the standard query operator methods defined in Queryable, such as OfType and Cast, call this method. They pass it a MethodCallExpression that represents a LINQ query.
Applies to
CreateQuery<TElement>(Expression)
Constructs an IQueryable<T> object that can evaluate the query represented by a specified expression tree.
public:
generic <typename TElement>
System::Linq::IQueryable<TElement> ^ CreateQuery(System::Linq::Expressions::Expression ^ expression);
public System.Linq.IQueryable<TElement> CreateQuery<TElement> (System.Linq.Expressions.Expression expression);
abstract member CreateQuery : System.Linq.Expressions.Expression -> System.Linq.IQueryable<'Element>
Public Function CreateQuery(Of TElement) (expression As Expression) As IQueryable(Of TElement)
Type Parameters
- TElement
The type of the elements of the IQueryable<T> that is returned.
Parameters
- expression
- Expression
An expression tree that represents a LINQ query.
Returns
An IQueryable<T> that can evaluate the query represented by the specified expression tree.
Remarks
Note
The Expression property of the returned IQueryable<T> object is equal to expression
.
The CreateQuery method is used to create new IQueryable<T> objects, given an expression tree. The query that is represented by the returned object is associated with a specific LINQ provider.
Most of the Queryable standard query operator methods that return enumerable results call this method. They pass it a MethodCallExpression that represents a LINQ query.
Applies to
.NET
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