QueryableDataSourceView Class
TOC
Collapse the table of content
Expand the table of content

QueryableDataSourceView Class

.NET Framework (current version)
 

Supports the QueryableDataSource control and provides an interface for data-bound controls to perform LINQ data operations.

Namespace:   System.Web.UI.WebControls
Assembly:  System.Web.Extensions (in System.Web.Extensions.dll)

System.Object
  System.Web.UI.DataSourceView
    System.Web.UI.WebControls.QueryableDataSourceView
      System.Web.UI.WebControls.ContextDataSourceView

[<AbstractClass>]
type QueryableDataSourceView = 
    class
        inherit DataSourceView
        interface IStateManager
    end

NameDescription
System_CAPS_protmethodQueryableDataSourceView(DataSourceControl, String, HttpContext)

Initializes a new instance of the QueryableDataSourceView class.

NameDescription
System_CAPS_pubpropertyAutoGenerateOrderByClause

Gets or sets a value that indicates whether the QueryableDataSourceView object that is associated with the current QueryableDataSource control creates a dynamic an OrderBy clause.

System_CAPS_pubpropertyAutoGenerateWhereClause

Gets or sets a value that indicates whether the QueryableDataSourceView object that is associated with the current QueryableDataSource control creates a dynamic Where clause.

System_CAPS_pubpropertyAutoPage

Gets or sets a value that indicates whether the QueryableDataSourceView object that is associated with the current QueryableDataSource control supports paging by default.

System_CAPS_pubpropertyAutoSort

Gets or sets a value that indicates whether the QueryableDataSourceView object that is associated with the current QueryableDataSource control supports sorting by default.

System_CAPS_pubpropertyCanDelete

Gets a value that indicates whether the QueryableDataSourceView object that is associated with the current QueryableDataSource control supports delete operations.(Overrides DataSourceView.CanDelete.)

System_CAPS_pubpropertyCanInsert

Gets a value that indicates whether the QueryableDataSourceView object that is associated with the current QueryableDataSource control supports insert operations.(Overrides DataSourceView.CanInsert.)

System_CAPS_pubpropertyCanPage

Gets a value that indicates whether the QueryableDataSourceView object that is associated with the current QueryableDataSource control supports paging.(Overrides DataSourceView.CanPage.)

System_CAPS_pubpropertyCanRetrieveTotalRowCount

Gets a value that indicates whether the QueryableDataSourceView object that is associated with the current QueryableDataSource control supports retrieving the total number of data rows, and retrieving the data.(Overrides DataSourceView.CanRetrieveTotalRowCount.)

System_CAPS_pubpropertyCanSort

Gets a value that indicates whether the QueryableDataSourceView object that is associated with the current QueryableDataSource control supports a sorted view of the retrieved data.(Overrides DataSourceView.CanSort.)

System_CAPS_pubpropertyCanUpdate

Gets a value that indicates whether the QueryableDataSourceView object that is associated with the current QueryableDataSource control supports update operations.(Overrides DataSourceView.CanUpdate.)

System_CAPS_pubpropertyDeleteParameters

Gets the collection that contains the parameters that are used during a delete operation.

System_CAPS_protpropertyEntityType

Gets the type of the data object to use for CUD operations.

System_CAPS_protpropertyEvents

Gets a list of event-handler delegates for the data source view.(Inherited from DataSourceView.)

System_CAPS_pubpropertyGroupBy

Gets or sets the name or names of the properties to use during the select operation for grouping data.

System_CAPS_pubpropertyGroupByParameters

Gets a collection of parameters whose values are used to create the GroupBy clause during the select operation.

System_CAPS_pubpropertyInsertParameters

Gets a collection of parameters that are used during the insert operation.

System_CAPS_protpropertyIsTrackingViewState

Gets a value that indicates whether the QueryableDataSourceView object is saving changes to its view state.

System_CAPS_pubpropertyName

Gets the name of the data source view.(Inherited from DataSourceView.)

System_CAPS_pubpropertyOrderBy

Gets or sets the name or names of the properties that are used during the select operation to sort data.

System_CAPS_pubpropertyOrderByParameters

Gets a collection of parameters that are used during the select operation to sort data.

System_CAPS_pubpropertyOrderGroupsBy

Gets or sets the names of the properties that are used during the select operation to sort grouped data.

System_CAPS_pubpropertyOrderGroupsByParameters

Gets a collection of parameters that are used to create the OrderGroupsBy clause.

System_CAPS_pubpropertySelectNew

Gets or sets the properties and calculated values that are included in the retrieved data.

System_CAPS_pubpropertySelectNewParameters

Gets the collection of parameters that are used during a data-retrieval operation.

System_CAPS_pubpropertyUpdateParameters

Gets the collection of parameters that are used during an update operation.

System_CAPS_pubpropertyWhere

Gets or sets a value that specifies what conditions must be true for a row to be included in the retrieved data.

System_CAPS_pubpropertyWhereParameters

Gets a collection of parameters that are used to create a Where clause.

NameDescription
System_CAPS_protmethodBuildDeleteObject(IDictionary, IDictionary, IDictionary<String, Exception>)

Creates the objects to use for the delete operation.

System_CAPS_protmethodBuildInsertObject(IDictionary, IDictionary<String, Exception>)

Creates the objects to use for the insert operation by using the values to insert and the error message to display if the operation fails.

System_CAPS_protmethodBuildQuery(DataSourceSelectArguments)

Creates a Select query expression by using the select arguments of the data source.

System_CAPS_protmethodBuildUpdateObjects(IDictionary, IDictionary, IDictionary, IDictionary<String, Exception>)

Creates the objects to use for the update operation by using the specified values.

System_CAPS_pubmethodCanExecute(String)

Determines whether the specified command can be executed.(Inherited from DataSourceView.)

System_CAPS_protmethodClearOriginalValues()

Clears the original values.

System_CAPS_protmethodCreateQueryContext(DataSourceSelectArguments)

Creates an instance of a query context object that contains the evaluated parameter collections.

System_CAPS_pubmethodDelete(IDictionary, IDictionary)

Performs a delete operation.

System_CAPS_pubmethodDelete(IDictionary, IDictionary, DataSourceViewOperationCallback)

Performs an asynchronous delete operation on the list of data that the DataSourceView object represents.(Inherited from DataSourceView.)

System_CAPS_protmethodDeleteObject(Object)

Deletes a data object from a table.

System_CAPS_pubmethodEquals(Object)

Determines whether the specified object is equal to the current object.(Inherited from Object.)

System_CAPS_protmethodExecuteCommand(String, IDictionary, IDictionary)

Executes the specified command.(Inherited from DataSourceView.)

System_CAPS_pubmethodExecuteCommand(String, IDictionary, IDictionary, DataSourceViewOperationCallback)

Executes the specified command.(Inherited from DataSourceView.)

System_CAPS_protmethodExecuteDelete(IDictionary, IDictionary)

Performs a delete operation on data items that the QueryableDataSourceView object represents by using the specified values.(Overrides DataSourceView.ExecuteDelete(IDictionary, IDictionary).)

System_CAPS_protmethodExecuteInsert(IDictionary)

Performs an insert operation on the data items that the QueryableDataSourceView object represents by using the specified value.(Overrides DataSourceView.ExecuteInsert(IDictionary).)

System_CAPS_protmethodExecutePaging(IQueryable, QueryContext)

Executes paging by using the QueryContext object from the QueryableDataSource object.

System_CAPS_protmethodExecuteQuery(IQueryable, QueryContext)

Performs a query, sort, or paging operation on the IQueryable<'T> object.

System_CAPS_protmethodExecuteQueryExpressions(IQueryable, QueryContext)

Executes query expressions by using an IQueryable object and the QueryContext object.

System_CAPS_protmethodExecuteSelect(DataSourceSelectArguments)

Performs a data-retrieval operation.(Overrides DataSourceView.ExecuteSelect(DataSourceSelectArguments).)

System_CAPS_protmethodExecuteSorting(IQueryable, QueryContext)

Performs a sorting operation.

System_CAPS_protmethodExecuteUpdate(IDictionary, IDictionary, IDictionary)
System_CAPS_protmethodFinalize()

Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.(Inherited from Object.)

System_CAPS_pubmethodGetHashCode()

Serves as the default hash function. (Inherited from Object.)

System_CAPS_protmethodGetOriginalValues(IDictionary)

Retrieves the original values for the specified keys that were stored during the Select operation.

System_CAPS_protmethodGetSource(QueryContext)

Gets initial IQueryable object for the data source view based on the query context.

System_CAPS_pubmethodGetType()

Gets the Type of the current instance.(Inherited from Object.)

System_CAPS_protmethodHandleValidationErrors(IDictionary<String, Exception>, DataSourceOperation)

Called by methods that perform CRUD operations when a CRUD operation fails in the data-object building process.

System_CAPS_pubmethodInsert(IDictionary)

Performs an asynchronous insert operation on the data items that the QueryableDataSourceView object represents.

System_CAPS_pubmethodInsert(IDictionary, DataSourceViewOperationCallback)

Performs an asynchronous insert operation on the list of data that the DataSourceView object represents.(Inherited from DataSourceView.)

System_CAPS_protmethodInsertObject(Object)

Inserts data objects into a QueryableDataSourceView object.

System_CAPS_protmethodLoadViewState(Object)

Restores the previously saved view state for the data source view.

System_CAPS_protmethodMemberwiseClone()

Creates a shallow copy of the current Object.(Inherited from Object.)

System_CAPS_protmethodOnDataSourceViewChanged(EventArgs)

Raises the DataSourceViewChanged event.(Inherited from DataSourceView.)

System_CAPS_protmethodOnQueryCreated(QueryCreatedEventArgs)

Raises the QueryCreated event after the QueryableDataSource control has created an IQueryable object.

System_CAPS_protmethodOnQueryParametersChanged(Object, EventArgs)

Calls the RaiseViewChanged method.

System_CAPS_protmethodRaiseUnsupportedCapabilityError(DataSourceCapabilities)

Called by the RaiseUnsupportedCapabilitiesError method to compare the capabilities requested for an ExecuteSelect operation against those that the view supports.(Inherited from DataSourceView.)

System_CAPS_pubmethodRaiseViewChanged()

Calls the OnDataSourceViewChanged method.

System_CAPS_protmethodSaveViewState()

Saves changes to view state for the QueryableDataSourceView object since the time that the page was posted to the server.

System_CAPS_pubmethodSelect(DataSourceSelectArguments, DataSourceViewSelectCallback)

Gets a list of data asynchronously from the underlying data storage.(Inherited from DataSourceView.)

System_CAPS_protmethodStoreOriginalValues(IList)

Stores the original values from the Select operation in the control's view state.

System_CAPS_protmethodStoreOriginalValues(IList, Func<PropertyDescriptor, Boolean>)

Stores the original values from the select operation in the control's view state when delete or update operations are enabled.

System_CAPS_pubmethodToString()

Returns a string that represents the current object.(Inherited from Object.)

System_CAPS_protmethodTrackViewState()

Causes tracking of view-state changes to the server control so that they can be stored in the server control's state.

System_CAPS_pubmethodUpdate(IDictionary, IDictionary, IDictionary)

Performs an update operation.

System_CAPS_pubmethodUpdate(IDictionary, IDictionary, IDictionary, DataSourceViewOperationCallback)

Performs an asynchronous update operation on the list of data that the DataSourceView object represents.(Inherited from DataSourceView.)

System_CAPS_protmethodUpdateObject(Object, Object)

Updates a data object.

NameDescription
System_CAPS_protfieldSystem_CAPS_staticEventSelected

Specifies whether the event that causes the data-retrieval operation to complete has occurred.

System_CAPS_protfieldSystem_CAPS_staticEventSelecting

Specifies whether the event that occurs before a data-retrieval operation has occurred.

NameDescription
System_CAPS_pubeventDataSourceViewChanged

Occurs when the data source view has changed.(Inherited from DataSourceView.)

System_CAPS_pubeventQueryCreated

Occurs when a query is created.

NameDescription
System_CAPS_pubinterfaceSystem_CAPS_privmethodIStateManager.LoadViewState(Object)

When implemented by a class, loads the server control's previously saved view state for the control.

System_CAPS_pubinterfaceSystem_CAPS_privmethodIStateManager.SaveViewState()

When implemented by a class, saves the changes to a server control's view state to an object.

System_CAPS_pubinterfaceSystem_CAPS_privmethodIStateManager.TrackViewState()

When implemented by a class, gets a value that indicates whether a server control is tracking its view-state changes.

System_CAPS_pubinterfaceSystem_CAPS_privpropertyIStateManager.IsTrackingViewState

When implemented by a class, gets a value that indicates whether a server control is tracking its view-state changes.

.NET Framework
Available since 4.0

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

Return to top
Show:
© 2016 Microsoft