DataServiceQuery Class
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An abstract class that represents a single query request to a data service.
Inheritance Hierarchy
System.Object
System.Data.Services.Client.DataServiceRequest
System.Data.Services.Client.DataServiceQuery
System.Data.Services.Client.DataServiceQuery<TElement>
Namespace: System.Data.Services.Client
Assembly: System.Data.Services.Client (in System.Data.Services.Client.dll)
Syntax
'Declaration
Public MustInherit Class DataServiceQuery _
Inherits DataServiceRequest _
Implements IQueryable, IEnumerable
public abstract class DataServiceQuery : DataServiceRequest,
IQueryable, IEnumerable
The DataServiceQuery type exposes the following members.
Properties
| Name | Description | |
|---|---|---|
.gif "Public property") |
ElementType | Gets the type of object submitted as a batch to the data service. (Inherited from DataServiceRequest.) |
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Expression | Represents an expression that contains the query to the data service. |
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Provider | Represents the query provider instance. |
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RequestUri | Gets the URI of the request object submitted to a data service. (Inherited from DataServiceRequest.) |
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Methods
| Name | Description | |
|---|---|---|
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BeginExecute | Asynchronously sends a request to execute the data service query. |
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EndExecute | Called to complete the asynchronous operation of executing a data service query. |
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Equals(Object) | Determines whether the specified Object is equal to the current Object. (Inherited from Object.) |
.gif "Protected method") |
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.) |
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GetHashCode | Serves as a hash function for a particular type. (Inherited from Object.) |
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GetType | Gets the Type of the current instance. (Inherited from Object.) |
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MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
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ToString | Represents the URI of the query to the data service. (Inherited from DataServiceRequest.) |
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Extension Methods
| Name | Description | |
|---|---|---|
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AsQueryable | Converts an IEnumerable to an IQueryable. (Defined by Queryable.) |
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Cast<TResult>() | Overloaded. Converts the elements of an IQueryable to the specified type. (Defined by Queryable.) |
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Cast<TResult>() | Overloaded. Converts the elements of an IEnumerable to the specified type. (Defined by Enumerable.) |
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OfType<TResult>() | Overloaded. Filters the elements of an IQueryable based on a specified type. (Defined by Queryable.) |
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OfType<TResult>() | Overloaded. Filters the elements of an IEnumerable based on a specified type. (Defined by Enumerable.) |
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Explicit Interface Implementations
| Name | Description | |
|---|---|---|
.gif "Explicit interface implemetation") .gif "Private method") |
IEnumerable.GetEnumerator | Gets the IEnumerator object that can be used to iterate through the collection returned by the query. |
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Remarks
No public constructors are defined on this class. Object instances are created by using or CreateQuery<T> on the DataServiceContext class.
Version Information
Silverlight
Supported in: 5, 4, 3
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.
See Also