Makale
11/18/2011

CompiledQuery Class

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Provides for compilation and caching of queries for reuse.

Inheritance Hierarchy

System.Object
System.Data.Linq.CompiledQuery

Namespace: System.Data.Linq
Assembly: System.Data.Linq (in System.Data.Linq.dll)

Syntax

'Declaration
Public NotInheritable Class CompiledQuery

public sealed class CompiledQuery

The CompiledQuery type exposes the following members.

Properties

	Name	Description
	Expression	Returns the query as a lambda expression.

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Methods

	Name	Description
	Compile<TArg0, TResult>(Expression<Func<TArg0, TResult>>)	Compiles the query.
	Compile<TArg0, TArg1, TResult>(Expression<Func<TArg0, TArg1, TResult>>)	Compiles the query.
	Compile<TArg0, TArg1, TArg2, TResult>(Expression<Func<TArg0, TArg1, TArg2, TResult>>)	Compiles the query.
	Compile<TArg0, TArg1, TArg2, TArg3, TResult>(Expression<Func<TArg0, TArg1, TArg2, TArg3, TResult>>)	Compiles the query.
	Equals(Object)	Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Remarks

Conceptually this class contains a single method (Compile) with several overloads. You call the Compile method to create a new delegate to represent the compiled query.

Note:
Compilation does not occur until the first time the query is executed.

Topic	Location
How to: Store and Reuse Queries (LINQ to SQL)	LINQ to SQL
How to: Store and Reuse Queries (LINQ to SQL)	LINQ to SQL

Version Information

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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