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ObjectDataSource Members

Represents a business object that provides data to data-bound controls in multi-tier Web application architectures.

The following tables list the members exposed by the ObjectDataSource type.

  Name Description
Public method ObjectDataSource Overloaded. Initializes a new instance of the ObjectDataSource class.
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(see also Protected Properties )
  Name Description
Public property AppRelativeTemplateSourceDirectory  Gets or sets the application-relative virtual directory of the Page or UserControl object that contains this control.(Inherited from Control.)
Public property BindingContainer  Gets the control that contains this control's data binding.(Inherited from Control.)
Public property CacheDuration Gets or sets the length of time, in seconds, that the data source control caches data that is retrieved by the SelectMethod method.
Public property CacheExpirationPolicy Gets or sets the cache expiration behavior that, when combined with the duration, describes the behavior of the cache that the data source control uses.
Public property CacheKeyDependency Gets or sets a user-defined key dependency that is linked to all data cache objects that are created by the data source control.
Public property ClientID  Gets the server control identifier generated by ASP.NET.(Inherited from DataSourceControl.)
Public property ConflictDetection Gets or sets a value that determines whether or not just the new values are passed to the Update method or both the old and new values are passed to the Update method.
Public property Controls  Gets a ControlCollection object that represents the child controls for a specified server control in the UI hierarchy.(Inherited from DataSourceControl.)
Public property ConvertNullToDBNull Gets or sets a value indicating whether the Parameter values that are passed to an update, insert, or delete operation are automatically converted from a null reference (Nothing in Visual Basic) to the Value value by the ObjectDataSource control.
Public property DataObjectTypeName Gets or sets the name of a class that the ObjectDataSource control uses for a parameter in an update, insert, or delete data operation, instead of passing individual values from the data-bound control.
Public property DeleteMethod Gets or sets the name of the method or function that the ObjectDataSource control invokes to delete data.
Public property DeleteParameters Gets the parameters collection that contains the parameters that are used by the DeleteMethod method.
Public property EnableCaching Gets or sets a value indicating whether the ObjectDataSource control has data caching enabled.
Public property EnablePaging Gets or sets a value indicating whether the data source control supports paging through the set of data that it retrieves.
Public property EnableTheming  Gets a value indicating whether this control supports themes.(Inherited from DataSourceControl.)
Public property EnableViewState  Gets or sets a value indicating whether the server control persists its view state, and the view state of any child controls it contains, to the requesting client.(Inherited from Control.)
Public property FilterExpression Gets or sets a filtering expression that is applied when the method that is specified by the SelectMethod property is called.
Public property FilterParameters Gets a collection of parameters that are associated with any parameter placeholders in the FilterExpression string.
Public property ID  Gets or sets the programmatic identifier assigned to the server control.(Inherited from Control.)
Public property InsertMethod Gets or sets the name of the method or function that the ObjectDataSource control invokes to insert data.
Public property InsertParameters Gets the parameters collection that contains the parameters that are used by the InsertMethod method.
Public property MaximumRowsParameterName Gets or sets the name of the business object data retrieval method parameter that is used to indicate the number of records to retrieve for data source paging support.
Public property NamingContainer  Gets a reference to the server control's naming container, which creates a unique namespace for differentiating between server controls with the same Control.ID property value.(Inherited from Control.)
Public property OldValuesParameterFormatString Gets or sets a format string to apply to the names of the parameters for original values that are passed to the Delete or Update methods.
Public property Page  Gets a reference to the Page instance that contains the server control.(Inherited from Control.)
Public property Parent  Gets a reference to the server control's parent control in the page control hierarchy.(Inherited from Control.)
Public property SelectCountMethod Gets or sets the name of the method or function that the ObjectDataSource control invokes to retrieve a row count.
Public property SelectMethod Gets or sets the name of the method or function that the ObjectDataSource control invokes to retrieve data.
Public property SelectParameters Gets the parameters collection that contains the parameters that are used by the SelectMethod method.
Public property Site  Gets information about the container that hosts the current control when rendered on a design surface.(Inherited from Control.)
Public property SkinID  Gets the skin to apply to the DataSourceControl control.(Inherited from DataSourceControl.)
Public property SortParameterName Gets or sets the name of the business object that the SelectMethod parameter used to specify a sort expression for data source sorting support.
Public property SqlCacheDependency Gets or sets a semicolon-delimited string that indicates which databases and tables to use for the Microsoft SQL Server cache dependency.
Public property StartRowIndexParameterName Gets or sets the name of the data retrieval method parameter that is used to indicate the value of the identifier of the first record to retrieve for data source paging support.
Public property TemplateControl  Gets or sets a reference to the template that contains this control. (Inherited from Control.)
Public property TemplateSourceDirectory  Gets the virtual directory of the Page or UserControl that contains the current server control.(Inherited from Control.)
Public property TypeName Gets or sets the name of the class that the ObjectDataSource object represents.
Public property UniqueID  Gets the unique, hierarchically qualified identifier for the server control.(Inherited from Control.)
Public property UpdateMethod Gets or sets the name of the method or function that the ObjectDataSource control invokes to update data.
Public property UpdateParameters Gets the parameters collection that contains the parameters that are used by the method that is specified by the UpdateMethod property.
Public property Visible  Gets or sets a value indicating whether the control is visually displayed.(Inherited from DataSourceControl.)
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  Name Description
Protected property Adapter  Gets the browser-specific adapter for the control.(Inherited from Control.)
Protected property ChildControlsCreated  Gets a value that indicates whether the server control's child controls have been created.(Inherited from Control.)
Protected property ClientIDSeparator  Gets a character value representing the separator character used in the ClientID property.(Inherited from Control.)
Protected property Context  Gets the HttpContext object associated with the server control for the current Web request.(Inherited from Control.)
Protected property DesignMode  Gets a value indicating whether a control is being used on a design surface.(Inherited from Control.)
Protected property Events  Gets a list of event handler delegates for the control. This property is read-only.(Inherited from Control.)
Protected property HasChildViewState  Gets a value indicating whether the current server control's child controls have any saved view-state settings.(Inherited from Control.)
Protected property IdSeparator  Gets the character used to separate control identifiers.(Inherited from Control.)
Protected property IsChildControlStateCleared  Gets a value indicating whether controls contained within this control have control state.(Inherited from Control.)
Protected property IsTrackingViewState  Gets a value that indicates whether the server control is saving changes to its view state.(Inherited from Control.)
Protected property IsViewStateEnabled  Gets a value indicating whether view state is enabled for this control.(Inherited from Control.)
Protected property LoadViewStateByID  Gets a value indicating whether the control participates in loading its view state by ID instead of index. (Inherited from Control.)
Protected property ViewState  Gets a dictionary of state information that allows you to save and restore the view state of a server control across multiple requests for the same page.(Inherited from Control.)
Protected property ViewStateIgnoresCase  Gets a value that indicates whether the StateBag object is case-insensitive.(Inherited from Control.)
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(see also Protected Methods )
  Name Description
Public method ApplyStyleSheetSkin  Applies the style properties that are defined in the page style sheet to the control. (Inherited from DataSourceControl.)
Public method DataBind  Overloaded. Binds a data source to the invoked server control and all its child controls. (Inherited from Control.)
Public method Delete Performs a delete operation by calling the method that is identified by the DeleteMethod property with any parameters that are in the DeleteParameters collection.
Public method Dispose  Enables a server control to perform final clean up before it is released from memory. (Inherited from Control.)
Public method Equals  Overloaded. Determines whether two Object instances are equal. (Inherited from Object.)
Public method FindControl  Overloaded. (Inherited from DataSourceControl.)
Public method Focus  Sets input focus to the control. (Inherited from DataSourceControl.)
Public method GetHashCode  Serves as a hash function for a particular type. GetHashCode is suitable for use in hashing algorithms and data structures like a hash table. (Inherited from Object.)
Public method GetType  Gets the Type of the current instance. (Inherited from Object.)
Public method HasControls  Determines if the server control contains any child controls. (Inherited from DataSourceControl.)
Public method Insert Performs an insert operation by calling the method that is identified by the InsertMethod property and any parameters in the InsertParameters collection.
Public method Static ReferenceEquals  Determines whether the specified Object instances are the same instance. (Inherited from Object.)
Public method RenderControl  Overloaded. (Inherited from DataSourceControl.)
Public method ResolveClientUrl  Gets a URL that can be used by the browser. (Inherited from Control.)
Public method ResolveUrl  Converts a URL into one that is usable on the requesting client. (Inherited from Control.)
Public method Select Retrieves data from the underlying data storage by calling the method that is identified by the SelectMethod property with the parameters in the SelectParameters collection.
Public method SetRenderMethodDelegate  Assigns an event handler delegate to render the server control and its content into its parent control. (Inherited from Control.)
Public method ToString  Returns a String that represents the current Object. (Inherited from Object.)
Public method Update Performs an update operation by calling the method that is identified by the UpdateMethod property and any parameters that are in the UpdateParameters collection.
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  Name Description
Protected method AddedControl  Called after a child control is added to the Controls collection of the Control object. (Inherited from Control.)
Protected method AddParsedSubObject  Notifies the server control that an element, either XML or HTML, was parsed, and adds the element to the server control's ControlCollection object. (Inherited from Control.)
Protected method BuildProfileTree  Gathers information about the server control and delivers it to the Trace property to be displayed when tracing is enabled for the page. (Inherited from Control.)
Protected method ClearChildControlState  Deletes the control-state information for the server control's child controls. (Inherited from Control.)
Protected method ClearChildState  Deletes the view-state and control-state information for all the server control's child controls. (Inherited from Control.)
Protected method ClearChildViewState  Deletes the view-state information for all the server control's child controls. (Inherited from Control.)
Protected method CreateChildControls  Called by the ASP.NET page framework to notify server controls that use composition-based implementation to create any child controls they contain in preparation for posting back or rendering. (Inherited from Control.)
Protected method CreateControlCollection  Creates a collection to store child controls. (Inherited from DataSourceControl.)
Protected method DataBind  Overloaded. Binds a data source to the invoked server control and all its child controls. (Inherited from Control.)
Protected method DataBindChildren  Binds a data source to the server control's child controls. (Inherited from Control.)
Protected method EnsureChildControls  Determines whether the server control contains child controls. If it does not, it creates child controls. (Inherited from Control.)
Protected method EnsureID  Creates an identifier for controls that do not have an identifier assigned. (Inherited from Control.)
Protected method Finalize  Allows an Object to attempt to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Protected method FindControl  Overloaded. Searches the current naming container for the specified server control. (Inherited from Control.)
Protected method GetDesignModeState  Gets design-time data for a control. (Inherited from Control.)
Protected method GetView Overridden. Retrieves the named data source view that is associated with the data source control.
Protected method GetViewNames Overridden. Retrieves a collection of names representing the list of view objects that are associated with the ObjectDataSource object.
Protected method HasEvents  Returns a value indicating whether events are registered for the control or any child controls. (Inherited from Control.)
Protected method IsLiteralContent  Determines if the server control holds only literal content. (Inherited from Control.)
Protected method LoadControlState  Restores control-state information from a previous page request that was saved by the SaveControlState method. (Inherited from Control.)
Protected method LoadViewState Overridden. Loads the previously saved view state of the ObjectDataSource control.
Protected method MapPathSecure  Retrieves the physical path that a virtual path, either absolute or relative, maps to. (Inherited from Control.)
Protected method MemberwiseClone  Creates a shallow copy of the current Object. (Inherited from Object.)
Protected method OnBubbleEvent  Determines whether the event for the server control is passed up the page's UI server control hierarchy. (Inherited from Control.)
Protected method OnDataBinding  Raises the DataBinding event. (Inherited from Control.)
Protected method OnInit Overridden. Adds a LoadComplete event handler to the page that contains the ObjectDataSource control.
Protected method OnLoad  Raises the Load event. (Inherited from Control.)
Protected method OnPreRender  Raises the PreRender event. (Inherited from Control.)
Protected method OnUnload  Raises the Unload event. (Inherited from Control.)
Protected method OpenFile  Gets a Stream used to read a file. (Inherited from Control.)
Protected method RaiseBubbleEvent  Assigns any sources of the event and its information to the control's parent. (Inherited from Control.)
Protected method RaiseDataSourceChangedEvent  Raises the DataSourceChanged event. (Inherited from DataSourceControl.)
Protected method RemovedControl  Called after a child control is removed from the Controls collection of the Control object. (Inherited from Control.)
Protected method Render  Sends server control content to a provided HtmlTextWriter object, which writes the content to be rendered on the client. (Inherited from Control.)
Protected method RenderChildren  Outputs the content of a server control's children to a provided HtmlTextWriter object, which writes the content to be rendered on the client. (Inherited from Control.)
Protected method RenderControl  Overloaded. Outputs server control content and stores tracing information about the control if tracing is enabled. (Inherited from Control.)
Protected method ResolveAdapter  Gets the control adapter responsible for rendering the specified control. (Inherited from Control.)
Protected method SaveControlState  Saves any server control state changes that have occurred since the time the page was posted back to the server. (Inherited from Control.)
Protected method SaveViewState Overridden. Saves the state of the ObjectDataSource control.
Protected method SetDesignModeState  Sets design-time data for a control. (Inherited from Control.)
Protected method TrackViewState Overridden. Tracks view-state changes to the ObjectDataSource control so that they can be stored in the System.Web.UI.StateBag object.
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  Name Description
Public event DataBinding  Occurs when the server control binds to a data source.(Inherited from Control.)
Public event Deleted Occurs when a Delete operation has completed.
Public event Deleting Occurs before a Delete operation.
Public event Disposed  Occurs when a server control is released from memory, which is the last stage of the server control lifecycle when an ASP.NET page is requested.(Inherited from Control.)
Public event Filtering Occurs before a filter operation.
Public event Init  Occurs when the server control is initialized, which is the first step in its lifecycle.(Inherited from Control.)
Public event Inserted Occurs when an Insert operation has completed.
Public event Inserting Occurs before an Insert operation.
Public event Load  Occurs when the server control is loaded into the Page object.(Inherited from Control.)
Public event ObjectCreated Occurs after the object that is identified by the TypeName property is created.
Public event ObjectCreating Occurs before the object that is identified by the TypeName property is created.
Public event ObjectDisposing Occurs before the object that is identified by the TypeName property is discarded.
Public event PreRender  Occurs after the Control object is loaded but prior to rendering.(Inherited from Control.)
Public event Selected Occurs when a Select operation has completed.
Public event Selecting Occurs before a Select operation.
Public event Unload  Occurs when the server control is unloaded from memory.(Inherited from Control.)
Public event Updated Occurs when an Update operation has completed.
Public event Updating Occurs before an Update operation.
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