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TreeView Members

Displays hierarchical data, such as a table of contents, in a tree structure.

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

  Name Description
Public method TreeView Initializes a new instance of the TreeView class.
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(see also Protected Properties )
  Name Description
Public property AccessKey  Gets or sets the access key that allows you to quickly navigate to the Web server control.(inherited from WebControl)
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 Attributes  Gets the collection of arbitrary attributes (for rendering only) that do not correspond to properties on the control.(inherited from WebControl)
Public property AutoGenerateDataBindings Gets or sets a value indicating whether the TreeView control automatically generates tree node bindings.
Public property BackColor  Gets or sets the background color of the Web server control.(inherited from WebControl)
Public property BindingContainer  Gets the control that contains this control's data binding.(inherited from Control)
Public property BorderColor  Gets or sets the border color of the Web control.(inherited from WebControl)
Public property BorderStyle  Gets or sets the border style of the Web server control.(inherited from WebControl)
Public property BorderWidth  Gets or sets the border width of the Web server control.(inherited from WebControl)
Public property CheckedNodes Gets a collection of TreeNode objects that represent the nodes in the TreeView control that display a selected check box.
Public property ClientID  Gets the server control identifier generated by ASP.NET.(inherited from Control)
Public property CollapseImageToolTip Gets or sets the ToolTip for the image that is displayed for the collapsible node indicator.
Public property CollapseImageUrl Gets or sets the URL to a custom image for the collapsible node indicator.
Public property Controls  Gets a ControlCollection object that represents the child controls for a specified server control in the UI hierarchy.(inherited from Control)
Public property ControlStyle  Gets the style of the Web server control. This property is used primarily by control developers.(inherited from WebControl)
Public property ControlStyleCreated  Gets a value indicating whether a Style object has been created for the ControlStyle property. This property is primarily used by control developers.(inherited from WebControl)
Public property CssClass  Gets or sets the Cascading Style Sheet (CSS) class rendered by the Web server control on the client.(inherited from WebControl)
Public property DataBindings Gets a collection of TreeNodeBinding objects that define the relationship between a data item and the node that it is binding to.
Public property DataSource  Gets or sets the object from which the data-bound control retrieves its list of data items.(inherited from BaseDataBoundControl)
Public property DataSourceID  (inherited from HierarchicalDataBoundControl)
Public property EnableClientScript Gets or sets a value indicating whether the TreeView control renders client-side script to handle expanding and collapsing events.
Public property Enabled  Gets or sets a value indicating whether the Web server control is enabled.(inherited from WebControl)
Public property EnableTheming  Gets or sets a value indicating whether themes apply to this control.(inherited from WebControl)
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 ExpandDepth Gets or sets the number of levels that are expanded when a TreeView control is displayed for the first time.
Public property ExpandImageToolTip Gets or sets the ToolTip for the image that is displayed for the expandable node indicator.
Public property ExpandImageUrl Gets or sets the URL to a custom image for the expandable node indicator.
Public property Font  Gets the font properties associated with the Web server control.(inherited from WebControl)
Public property ForeColor  Gets or sets the foreground color (typically the color of the text) of the Web server control.(inherited from WebControl)
Public property HasAttributes  Gets a value indicating whether the control has attributes set.(inherited from WebControl)
Public property Height  Gets or sets the height of the Web server control.(inherited from WebControl)
Public property HoverNodeStyle Gets a reference to the TreeNodeStyle object that allows you to set the appearance of a node when the mouse pointer is positioned over it.
Public property ID  Gets or sets the programmatic identifier assigned to the server control.(inherited from Control)
Public property ImageSet Gets or sets the group of images to use for the TreeView control.
Public property LeafNodeStyle Gets a reference to the TreeNodeStyle object that allows you to set the appearance of leaf nodes.
Public property LevelStyles Gets a collection of Style objects that represent the node styles at the individual levels of the tree.
Public property LineImagesFolder Gets or sets the path to a folder that contains the line images that are used to connect child nodes to parent nodes.
Public property MaxDataBindDepth Gets or sets the maximum number of tree levels to bind to the TreeView control.
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 NodeIndent Gets or sets the indentation amount (in pixels) for the child nodes of the TreeView control.
Public property Nodes Gets a collection of TreeNode objects that represents the root nodes in the TreeView control.
Public property NodeStyle Gets a reference to the TreeNodeStyle object that allows you to set the default appearance of the nodes in the TreeView control.
Public property NodeWrap Gets or sets a value indicating whether text wraps in a node when the node runs out of space.
Public property NoExpandImageUrl Gets or sets the URL to a custom image for the non-expandable node indicator.
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 ParentNodeStyle Gets a reference to the TreeNodeStyle object that allows you to set the appearance of parent nodes in the TreeView control.
Public property PathSeparator Gets or sets the character that is used to delimit the node values that are specified by the ValuePath property.
Public property PopulateNodesFromClient Gets or sets a value indicating whether node data is populated on demand from the client.
Public property RootNodeStyle Gets a reference to the TreeNodeStyle object that allows you to set the appearance of the root node in the TreeView control.
Public property SelectedNode Gets a TreeNode object that represents the selected node in the TreeView control.
Public property SelectedNodeStyle Gets the TreeNodeStyle object that controls the appearance of the selected node in the TreeView control.
Public property SelectedValue Gets the value of the selected node.
Public property ShowCheckBoxes Gets or sets a value indicating which node types will display a check box in the TreeView control.
Public property ShowExpandCollapse Gets or sets a value indicating whether expansion node indicators are displayed.
Public property ShowLines Gets or sets a value indicating whether lines connecting child nodes to parent nodes are displayed.
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 or sets the skin to apply to the control.(inherited from WebControl)
Public property SkipLinkText Gets or sets a value that is used to render alternate text for screen readers to skip the content for the control.
Public property Style  Gets a collection of text attributes that will be rendered as a style attribute on the outer tag of the Web server control.(inherited from WebControl)
Public property TabIndex  Gets or sets the tab index of the Web server control.(inherited from WebControl)
Public property Target Gets or sets the target window or frame in which to display the Web page content that is associated with a node.
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 ToolTip  Gets or sets the text displayed when the mouse pointer hovers over the Web server control.(inherited from WebControl)
Public property UniqueID  Gets the unique, hierarchically qualified identifier for the server control.(inherited from Control)
Public property Visible Overridden. Gets or sets a value indicating whether the control is rendered as UI on the page.
Public property Width  Gets or sets the width of the Web server control.(inherited from WebControl)
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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 Initialized  Gets a value indicating whether the data-bound control has been initialized.(inherited from BaseDataBoundControl)
Protected property IsBoundUsingDataSourceID  Gets a value indicating whether the DataSourceID property is set.(inherited from BaseDataBoundControl)
Protected property IsChildControlStateCleared  Gets a value indicating whether controls contained within this control have control state.(inherited from Control)
Protected property IsEnabled  Gets a value indicating whether the control is enabled.(inherited from WebControl)
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 RequiresDataBinding  Gets or sets a value indicating whether the DataBind method should be called. (inherited from BaseDataBoundControl)
Protected property TagKey Overridden. Gets the System.Web.UI.HtmlTextWriterTag value for the TreeView control.
Protected property TagName  Gets the name of the control tag. This property is used primarily by control developers.(inherited from WebControl)
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 ApplyStyle  Copies any nonblank elements of the specified style to the Web control, overwriting any existing style elements of the control. This method is primarily used by control developers. (inherited from WebControl)
Public method ApplyStyleSheetSkin  Applies the style properties defined in the page style sheet to the control. (inherited from Control)
Public method CollapseAll Closes every node in the tree.
Public method CopyBaseAttributes  Copies the properties not encapsulated by the Style object from the specified Web server control to the Web server control that this method is called from. This method is used primarily by control developers. (inherited from WebControl)
Public method DataBind Overloaded. Overridden. Binds data from the data source to the control.
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 ExpandAll Opens every node in the tree.
Public method FindControl  Overloaded. Searches the current naming container for the specified server control. (inherited from Control)
Public method FindNode Retrieves the TreeNode object in the TreeView control at the specified value path.
Public method Focus  Sets input focus to a control. (inherited from Control)
Public method GetHashCode  Serves as a hash function for a particular type. (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 Control)
Public method MergeStyle  Copies any nonblank elements of the specified style to the Web control, but will not overwrite any existing style elements of the control. This method is used primarily by control developers. (inherited from WebControl)
Public method Static ReferenceEquals  Determines whether the specified Object instances are the same instance. (inherited from Object)
Public method RenderBeginTag Overridden. Renders the HTML opening tag of the control to the specified writer.
Public method RenderControl  Overloaded. Outputs server control content and stores tracing information about the control if tracing is enabled. (inherited from Control)
Public method RenderEndTag Overridden. Renders the HTML closing tag of the control to the specified writer.
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 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)
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  Name Description
Protected method AddAttributesToRender Overridden. Adds HTML attributes and styles that need to be rendered to the specified T:System.Web.UI.HtmlTextWriter control.
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 ConfirmInitState  Sets the initialized state of the data-bound control. (inherited from BaseDataBoundControl)
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 Overridden. Creates a collection to store child controls.
Protected method CreateControlStyle  Creates the style object that is used internally by the WebControl class to implement all style related properties. This method is used primarily by control developers. (inherited from WebControl)
Protected method CreateNode Returns a new instance of the TreeNode class. The CreateNode is a helper method.
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 EnsureDataBound  Calls the DataBind method if the DataSourceID property is set and the data-bound control is marked to require binding. (inherited from BaseDataBoundControl)
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 GetCallbackResult Returns the result of a callback event that targets a control.
Protected method GetData  Retrieves a HierarchicalDataSourceView object that the data-bound control uses to perform data operations. (inherited from HierarchicalDataBoundControl)
Protected method GetDataSource  Retrieves the IHierarchicalDataSource that the data-bound control is associated with, if any. (inherited from HierarchicalDataBoundControl)
Protected method GetDesignModeState  Gets design-time data for a control. (inherited from Control)
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 LoadPostData Processes postback data for the TreeView control.
Protected method LoadViewState Overridden. Loads the previously saved view state of the TreeView control.
Protected method MapPathSecure  Retrieves the physical path that a virtual path, either absolute or relative, maps to. (inherited from Control)
Protected method MarkAsDataBound  Sets the state of the control in view state as successfully bound to data. (inherited from HierarchicalDataBoundControl)
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 OnDataBound  Raises the DataBound event. (inherited from BaseDataBoundControl)
Protected method OnDataPropertyChanged  Called when one of the base data source identification properties is changed, to re-bind the data-bound control to its data. (inherited from HierarchicalDataBoundControl)
Protected method OnDataSourceChanged  Called when the IHierarchicalDataSource instance that the data-bound control works with raises the DataSourceChanged event. (inherited from HierarchicalDataBoundControl)
Protected method OnInit Overridden. Raises the Init event.
Protected method OnLoad  Handles the Load event. (inherited from HierarchicalDataBoundControl)
Protected method OnPagePreLoad  Sets the initialized state of the data-bound control before the control is loaded. (inherited from HierarchicalDataBoundControl)
Protected method OnPreRender Overridden. Raises the Control.PreRender event.
Protected method OnSelectedNodeChanged Raises the SelectedNodeChanged event of the TreeView control.
Protected method OnTreeNodeCheckChanged Raises the TreeNodeCheckChanged event of the TreeView control.
Protected method OnTreeNodeCollapsed Raises the TreeNodeCollapsed event of the TreeView control.
Protected method OnTreeNodeDataBound Raises the TreeNodeDataBound event of the TreeView control.
Protected method OnTreeNodeExpanded Raises the TreeNodeExpanded event of the TreeView control.
Protected method OnTreeNodePopulate Raises the TreeNodePopulate event of the TreeView 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 PerformDataBinding Overridden. Creates all the nodes based on the data source.
Protected method PerformSelect  Retrieves data from the associated data source. (inherited from HierarchicalDataBoundControl)
Protected method RaiseBubbleEvent  Assigns any sources of the event and its information to the control's parent. (inherited from Control)
Protected method RaiseCallbackEvent Raises the callback event using the specified arguments.
Protected method RaisePostBackEvent Enables the TreeView control to process an event that is raised when a form is posted to the server. The RaisePostBackEvent method is a helper method for the System.Web.UI.IPostBackEventHandler.RaisePostBackEvent method.
Protected method RaisePostDataChangedEvent Signals the TreeView control to notify the ASP.NET application that the state of the control has changed.
Protected method RemovedControl  Called after a child control is removed from the Controls collection of the Control object. (inherited from Control)
Protected method Render  Renders the control to the specified HTML writer. (inherited from WebControl)
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 RenderContents Overridden. Renders the nodes in the TreeView 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 TreeView control.
Protected method SetDesignModeState  Sets design-time data for a control. (inherited from Control)
Protected method SetNodeDataBound Allows a derived class to set whether the specified TreeNode control is data-bound.
Protected method SetNodeDataItem Allows a derived class to set the data item for the specified TreeNode control.
Protected method SetNodeDataPath Allows a derived class to set the data path for the specified TreeNode control.
Protected method TrackViewState Overridden. Tracks view-state changes to the TreeView control so that they can be stored in the System.Web.UI.StateBag object for the control. This System.Web.UI.StateBag is accessible through the Control.ViewState property.
Protected method ValidateDataSource  Verifies that the object a data-bound control binds to is one it can work with. (inherited from HierarchicalDataBoundControl)
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  Name Description
Public event DataBinding  Occurs when the server control binds to a data source.(inherited from Control)
Public event DataBound  Occurs after the server control binds to a data source.(inherited from BaseDataBoundControl)
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 Init  Occurs when the server control is initialized, which is the first step in its lifecycle.(inherited from Control)
Public event Load  Occurs when the server control is loaded into the Page object.(inherited from Control)
Public event PreRender  Occurs after the Control object is loaded but prior to rendering.(inherited from Control)
Public event SelectedNodeChanged Occurs when a node is selected in the TreeView control.
Public event TreeNodeCheckChanged Occurs when a check box in the TreeView control changes state between posts to the server.
Public event TreeNodeCollapsed Occurs when a node is collapsed in the TreeView control.
Public event TreeNodeDataBound Occurs when a data item is bound to a node in the TreeView control.
Public event TreeNodeExpanded Occurs when a node is expanded in the TreeView control.
Public event TreeNodePopulate Occurs when a node with its PopulateOnDemand property set to true is expanded in the TreeView control.
Public event Unload  Occurs when the server control is unloaded from memory.(inherited from Control)
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  Name Description
Explicit interface implementation Method System.Web.UI.ICallbackEventHandler.GetCallbackResult Returns the result of a callback event that targets a control.
Explicit interface implementation Method System.Web.UI.ICallbackEventHandler.RaiseCallbackEvent Raises the callback event using the specified arguments.
Explicit interface implementation Method System.Web.UI.IPostBackDataHandler.LoadPostData Processes postback data for the TreeView control.
Explicit interface implementation Method System.Web.UI.IPostBackDataHandler.RaisePostDataChangedEvent Signals the TreeView control to notify the ASP.NET application that the state of the control has changed.
Explicit interface implementation Method System.Web.UI.IPostBackEventHandler.RaisePostBackEvent Enables the TreeView control to process an event that is raised when a form is posted to the server.
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