ContextDataSourceView Class

.NET Framework (current version)
 

Supports the ContextDataSource control and provides an interface for data-bound controls to perform 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
        System.Web.UI.WebControls.LinqDataSourceView

public abstract class ContextDataSourceView : QueryableDataSourceView

NameDescription
System_CAPS_protmethodContextDataSourceView(DataSourceControl, String, HttpContext)

Initializes a new instance of the ContextDataSourceView 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.(Inherited from QueryableDataSourceView.)

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.(Inherited from QueryableDataSourceView.)

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.(Inherited from QueryableDataSourceView.)

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.(Inherited from QueryableDataSourceView.)

System_CAPS_pubpropertyCanDelete

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

System_CAPS_pubpropertyCanInsert

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

System_CAPS_pubpropertyCanPage

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

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.(Inherited from QueryableDataSourceView.)

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.(Inherited from QueryableDataSourceView.)

System_CAPS_pubpropertyCanUpdate

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

System_CAPS_protpropertyContext

Gets or sets the current data context.

System_CAPS_pubpropertyContextType

Gets the type of the data context.

System_CAPS_pubpropertyContextTypeName

Gets or sets the name of the data context class that contains the field or property that is specified in the TableName property.

System_CAPS_pubpropertyDeleteParameters

Gets the collection that contains the parameters that are used during a delete operation.(Inherited from QueryableDataSourceView.)

System_CAPS_protpropertyEntitySet

Gets or sets the object that contains the value of the data to retrieve.

System_CAPS_pubpropertyEntitySetName

Gets or sets the name of the property or field in the data-context class that represents a data collection.

System_CAPS_protpropertyEntitySetType

Gets or sets the name of the object that is created for an insert, delete, or update operation.

System_CAPS_protpropertyEntityType

Gets or sets the object that is created for an insert, delete, or update operation.(Overrides QueryableDataSourceView.EntityType.)

System_CAPS_pubpropertyEntityTypeName

Gets or sets the name of the object that is created for an insert, delete, or update operation.

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.(Inherited from QueryableDataSourceView.)

System_CAPS_pubpropertyGroupByParameters

Gets a collection of parameters whose values are used to create the GroupBy clause during the select operation.(Inherited from QueryableDataSourceView.)

System_CAPS_pubpropertyInsertParameters

Gets a collection of parameters that are used during the insert operation.(Inherited from QueryableDataSourceView.)

System_CAPS_protpropertyIsTrackingViewState

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

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.(Inherited from QueryableDataSourceView.)

System_CAPS_pubpropertyOrderByParameters

Gets a collection of parameters that are used during the select operation to sort data.(Inherited from QueryableDataSourceView.)

System_CAPS_pubpropertyOrderGroupsBy

Gets or sets the names of the properties that are used during the select operation to sort grouped data.(Inherited from QueryableDataSourceView.)

System_CAPS_pubpropertyOrderGroupsByParameters

Gets a collection of parameters that are used to create the OrderGroupsBy clause.(Inherited from QueryableDataSourceView.)

System_CAPS_pubpropertySelectNew

Gets or sets the properties and calculated values that are included in the retrieved data.(Inherited from QueryableDataSourceView.)

System_CAPS_pubpropertySelectNewParameters

Gets the collection of parameters that are used during a data-retrieval operation.(Inherited from QueryableDataSourceView.)

System_CAPS_pubpropertyUpdateParameters

Gets the collection of parameters that are used during an update operation.(Inherited from QueryableDataSourceView.)

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.(Inherited from QueryableDataSourceView.)

System_CAPS_pubpropertyWhereParameters

Gets a collection of parameters that are used to create a Where clause.(Inherited from QueryableDataSourceView.)

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

Creates the objects to use for the delete operation.(Inherited from QueryableDataSourceView.)

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.(Inherited from QueryableDataSourceView.)

System_CAPS_protmethodBuildQuery(DataSourceSelectArguments)

Creates a Select query expression by using the select arguments of the data source.(Inherited from QueryableDataSourceView.)

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

Creates the objects to use for the update operation by using the specified values.(Inherited from QueryableDataSourceView.)

System_CAPS_pubmethodCanExecute(String)

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

System_CAPS_protmethodClearOriginalValues()

Clears the original values.(Inherited from QueryableDataSourceView.)

System_CAPS_protmethodCreateContext(DataSourceOperation)

Creates an instance of the data context and entity-set type for the specified operation.

System_CAPS_protmethodCreateQueryContext(DataSourceSelectArguments)

Creates an instance of a query context object that contains the evaluated parameter collections.(Inherited from QueryableDataSourceView.)

System_CAPS_pubmethodDelete(IDictionary, IDictionary)

Performs a delete operation.(Inherited from QueryableDataSourceView.)

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.(Inherited from QueryableDataSourceView.)

System_CAPS_protmethodDisposeContext()

Disposes the context after an operation is performed.

System_CAPS_protmethodDisposeContext(Object)

Disposes the specified data context after an operation is performed.

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 using the specified keys and using row values that are used to detect conflicts.(Overrides QueryableDataSourceView.ExecuteDelete(IDictionary, IDictionary).)

System_CAPS_protmethodExecuteInsert(IDictionary)

Performs an insert operation by using the values specified in a collection.(Overrides QueryableDataSourceView.ExecuteInsert(IDictionary).)

System_CAPS_protmethodExecutePaging(IQueryable, QueryContext)

Executes paging by using the QueryContext object from the QueryableDataSource object.(Inherited from QueryableDataSourceView.)

System_CAPS_protmethodExecuteQuery(IQueryable, QueryContext)

Performs a query, sort, or paging operation on the IQueryable<T> object.(Inherited from QueryableDataSourceView.)

System_CAPS_protmethodExecuteQueryExpressions(IQueryable, QueryContext)

Executes query expressions by using an IQueryable object and the QueryContext object.(Inherited from QueryableDataSourceView.)

System_CAPS_protmethodExecuteSelect(DataSourceSelectArguments)

Performs a data-retrieval operation.(Inherited from QueryableDataSourceView.)

System_CAPS_protmethodExecuteSorting(IQueryable, QueryContext)

Performs a sorting operation.(Inherited from QueryableDataSourceView.)

System_CAPS_protmethodExecuteUpdate(IDictionary, IDictionary, IDictionary)

Performs an update operation by using the specified row-key values, the row values, and the row values that are used to detect conflicts.(Overrides QueryableDataSourceView.ExecuteUpdate(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_protmethodGetDataObjectType(Type)

Retrieves the type of data object to use for the delete, insert, and update operations.

System_CAPS_protmethodGetEntitySetType()

Retrieves the entity set as a property, field, or data context.

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.(Inherited from QueryableDataSourceView.)

System_CAPS_protmethodGetSource(QueryContext)

Retrieves the source of the query context.(Overrides QueryableDataSourceView.GetSource(QueryContext).)

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. (Inherited from QueryableDataSourceView.)

System_CAPS_pubmethodInsert(IDictionary)

Performs an asynchronous insert operation on the data items that the QueryableDataSourceView object represents.(Inherited from QueryableDataSourceView.)

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.(Inherited from QueryableDataSourceView.)

System_CAPS_protmethodLoadViewState(Object)

Restores the previously saved view state for the data source view.(Inherited from QueryableDataSourceView.)

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.(Inherited from QueryableDataSourceView.)

System_CAPS_protmethodOnQueryParametersChanged(Object, EventArgs)

Calls the RaiseViewChanged method. (Inherited from QueryableDataSourceView.)

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. (Inherited from QueryableDataSourceView.)

System_CAPS_protmethodSaveViewState()

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

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.(Inherited from QueryableDataSourceView.)

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.(Inherited from QueryableDataSourceView.)

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.(Inherited from QueryableDataSourceView.)

System_CAPS_pubmethodUpdate(IDictionary, IDictionary, IDictionary)

Performs an update operation.(Inherited from QueryableDataSourceView.)

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.(Inherited from QueryableDataSourceView.)

NameDescription
System_CAPS_protfieldSystem_CAPS_staticEventContextCreated

Indicates that an event occurred after an instance of the context type object was created.

System_CAPS_protfieldSystem_CAPS_staticEventContextCreating

Indicates that an event occurs before an instance of the context type object is created.

System_CAPS_protfieldSystem_CAPS_staticEventContextDisposing

Indicates that an event occurs before an instance of the context type object is disposed.

NameDescription
System_CAPS_pubeventDataSourceViewChanged

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

System_CAPS_pubeventQueryCreated

Occurs when a query is created.(Inherited from QueryableDataSourceView.)

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.(Inherited from QueryableDataSourceView.)

System_CAPS_pubinterfaceSystem_CAPS_privmethodIStateManager.SaveViewState()

When implemented by a class, saves the changes to a server control's view state to an object. (Inherited from QueryableDataSourceView.)

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.(Inherited from QueryableDataSourceView.)

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.(Inherited from QueryableDataSourceView.)

.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.

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