<asp:controlType  ID ="ControlID"

                     runat="server"

                     Property1=value1  [Property2=value2] />

Property

Description

AccessKey

Pressing this button with the Alt key moves focus to the control

Attributes

It's the part of arbitrary attributes (for rendering only) that do not related to properties on the control.

BackColor

Background colour of page.

BindingContainer

The control that hass this control's data binding.

BorderColor

Border colour of page.

BorderStyle

Border style of page.

BorderWidth

Border width of page.

CausesValidation

Shows if it causes validation.

ChildControlCreated

It Shows whether the server control's child controls have been created.

ClientID

Control ID for HTML markup.

Context

The HttpContext object related with the server control.

Controls

Collection of all controls obtained within the control

ControlStyle

The type of the Web server control.

CssClass

CSS class

DataItemContainer

Sets a reference to the naming file if the naming container adds DataItemContainer.

DataKeysContainer

Gets a reference to the naming container if the naming container adds IDataKeysControl.

DesignMode

It Shows whether the control is being used on a design surface.

DisabledCssClass

Gets or sets the CSS class to apply to the given HTML element when the control is disabled.

Enabled

Shows whether the control is grayed out

EnableTheming

Shows whether theming applies to the control.

EnableViewState

Shows whether the view state of the control is maintained.

Events

Gets a list of event handler integrate for the control.

Font

Font of page.

Forecolor

Foreground colour of page.

HasAttributes

Shows whether the control has attributes set.

HasChildViewState

Shows whether the current server control's child controls have any saved view-state settings.

Height

Height in pixels or %.

ID

Identifier for the control.

IsChildControlStateCleared

Shows whether controls contained within this control have control state.

IsEnabled

Gets a value Showing whether the control is enabled

IsTrackingViewState

It Shows whether the server control is saving changes to its view state.

IsViewStateEnabled

It Shows whether view state is enabled for this control.

LoadViewStateById

It Shows whether the control participates in loading its view state by ID instead of index.

Page

Page obtaining the control.

Parent

Parent control.

RenderingCompatibility

It defines the ASP.NET version that rendered HTML will be compatible with.

Site

The container that hosts the present control when rendered on a design surface.

SkinID

Sets or gets the skin to apply to the control. (

Style

Gets a part of text attributes that will be offered as a style attribute on the outer tag of the Web server control.

TabIndex

Sets or gets the tab index of the Web server control.

TagKey

Gets the HtmlTextWriterTag value that related to this Web server control.

TagName

Gets the name of the control tag.

TemplateControl

The template that has this control.

TemplateSourceDirectory

Gets the virtual directory of the Page or control having this control.

ToolTip

Sets or gets the text shown when the mouse pointer hovers over the Web server control.

UniqueID

Unique identifier

ViewState

Gets a dictionary of state data that allows you to store and save the view state of a server control across multiple requests for the same page.

ViewStateIgnoreCase

It Shows whether the StateBag object is case-insensitive.

ViewStateMode

Gets or sets the view-state mode of this control.

Visible

It Shows whether a server control is visible.

Width

Sets or gets the width of the Web server control.

Method

Description

AddAttributesToRender

Includes HTML attributes and styles that require to be rendered to the specified HtmlTextWriterTag.

AddedControl

Called after a child control is included to the Controls collection of the Control object.

AddParsedSubObject

Shows the server control that an element, either XML or HTML, was parsed, and includes the element to the server control's control collection.

ApplyStyleSheetSkin

Defines the style properties described in the page style sheet to the control.

ClearCachedClientID

Infrastructure. Assign the cached ClientID value to null.

ClearChildControlState

Removes the control-state information for the server control's child controls.

ClearChildState

Removes the view-state and control-state information for all the server control's child controls.

ClearChildViewState

Removes the view-state information for all the server control's child controls.

CreateChildControls

Used in creating child controls.

CreateControlCollection

Build a new ControlCollection object to hold the child controls.

CreateControlStyle

Build the style object that is used to implement all style related properties.

DataBind

Relates a data source to the server control and all its child controls.

DataBind(Boolean)

Relates a data source to the server control and all its child controls with an option to raise the DataBinding event.

DataBindChildren

Relates a data source to the server control's child controls.

Dispose

Actives a server control to perform final clean up before it is released from memory.

EnsureChildControls

Calculates whether the server control contains child controls. If it does not, it creates child controls.

EnsureID

Prepare an identifier for controls that do not have an identifier.

Equals(Object)

Calculates whether the specified Object is equal to the current Object.

Finalize

Allows an Object to attempt to free sources and perform other cleanup operations before the Object is reclaimed by garbage collection.

FindControl(String)

Finds the current naming container for a server control with the specified id parameter.

FindControl(String, Int32)

Finds the current naming container for a server control with the specified id and an integer

Focus

Sets input focus to a control button.

GetDesignModeState

Gets design-time data for a control.

GetType

Gets the kind of the current instance.

GetUniqueIDRelativeTo

Gives the prefixed portion of the UniqueID property of the related control.

HasControls

Calculates if the server control contains any child controls.

HasEvents

Shows whether events are registered for the control or any child controls.

IsLiteralContent

Calculates if the server control holds only literal content.

LoadControlState

Restores control-state information.

LoadViewState

Restores view-state information.

MapPathSecure

Gets the physical path that a virtual path, either relative or absolute, maps to.

MemberwiseClone

Prepares a shallow copy of the current object.

MergeStyle

Copies any nonblank components of the specified style to the Web control, but will not overwrite any existing style components of the control.

OnBubbleEvent

Calculates whether the event for the server control is passed up the page's UI server control hierarchy.

OnDataBinding

Raises the data binding event on page.

OnInit

Increases the Init event.

OnLoad

Increases the Load event.

OnPreRender

Increases the PreRender event.

OnUnload

Increases the Unload event.

OpenFile

Gets a Stream used to read a file

RemovedControl

Invoked after a child control is replaced from the Controls collection of the Control object.

Render

Renders the control to the defined HTML writer.

RenderBeginTag

Renders the HTML related tag of the control to the specified writer.

RenderChildren

Outputs the content of a server control's children to a given HtmlTextWriter object, which writes the content to be rendered on the client.

RenderContents

Renders the contents of the control to the given writer.

RenderControl(HtmlTextWriter)

Outputs server control content to a given HtmlTextWriter object and restores tracing data about the control if tracing is enabled.

RenderEndTag

Renders the HTML ending tag of the control into the specified writer.

ResolveAdapter

Gets the control adapter responsible for rendering the related control.

SaveControlState

Saves any server control state modifies that have occurred since the time the page was posted back to the server.

SaveViewState

Saves any state that was changed after the TrackViewState method was invoked.

SetDesignModeState

Sets design-time data for a control.

ToString

Returns a String that shows the current object.

TrackViewState

Causes the control to track modifies to its view state so they can be stored in the object's view state property.

using System;

using System.Collections;

using System.Configuration;

using System.Data;

using System.Linq;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.HtmlControls;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Xml.Linq;

namespace eventdemo

{

  public partial class treeviewdemo : System.Web.UI.Page

  {

    protected void Page_Load(object sender, EventArgs e)

   {

      txtmessage.Text = " ";

   }

   protected void TreeView1_SelectedNodeChanged(object sender,

                                                EventArgs e)

   {

    txtmessage.Text = " ";

    lblmessage.Text = "Selected node changed to: " +

                       TreeView1.SelectedNode.Text;

    TreeNodeCollection childnodes =

                       TreeView1.SelectedNode.ChildNodes;

    if(childnodes != null)

    {

      txtmessage.Text = " ";

      foreach (TreeNode t in childnodes)

      {

         txtmessage.Text += t.Value;

      }

    }

   }

  }

}