Build Your Own ASP.NET 2.0 Web Site Using C# & VB, Second Edition

MenuItemDataBound

fired when a menu item is bound to its data source

TreeView

Properties

AutoGenerateDataBindings

a Boolean value specifying whether the TreeView should automatically gen-

erate tree node bindings; default is True

CheckedNodes

a collection of TreeNode objects representing the checked TreeView nodes

CollapseImageToolTip

the tooltip for the image displayed for the “collapse” node indicator

CollapseImageUrl

a string representing the URL for a custom image to be used as the “collapse”

node indicator

EnableClientScript

a Boolean value that specifies whether or not the TreeView should generate

client-side JavaScript that expands or collapses nodes; True by default

When the value is False, a server postback needs to be performed every time

the user expands or collapses a node.

ExpandDepth

an integer representing the number of TreeView levels that are expanded

when the control is displayed for the first time; default is -1, which displays

all the nodes

ExpandImageToolTip

the tooltip for the image displayed for the “expand” node indicator

ExpandImageUrl

a string representing the URL for a custom image to be used as the “expand”

node indicator

HoverNodeStyle

a TreeNodeStyle object used to define the styles of a node when the cursor

is hovered over it

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Appendix A: Web Control Reference

ImageSet

a TreeViewImageSet value representing the set of images to be used when

displaying TreeView nodes; default values are Arrows, BulletedList, Bul-

letedList2, BulletedList3, BulletedList4, Contacts, Custom, Events,

Faq, Inbox, News, Simple, Simple2, Msdn, WindowsHelp, and XPFileExplorer

When not using one of these predefined sets, you should define these prop-

erties instead: CollapseImageUrl, ExpandImageUrl, LineImagesFolder, and

NoExpandImageUrl

LeafNodeStyle

a TreeNodeStyle representing the style used to render leaf nodes

LevelStyles

a TreeNodeStyleCollection that contains the styles used to render the items

in each TreeView level

LineImagesFolder

a string containing the path to a web-accessible folder that holds the image

files used to connect child nodes to parent nodes; that folder must include

these files: Dash.gif, Dashminus.gif, Dashplus.gif, I.gif, L.gif,

Lminus.gif, Lplus.gif, Minus.gif, Noexpand.gif, Plus.gif, R.gif,

Rminus.gif, Rplus.gif, T.gif, Tminus.gif, and Tplus.gif

MaxDataBindDepth

defines the maximum number of tree levels to bind to the TreeView control

NodeIndent

an integer representing the number of pixels by which child nodes in the tree

will be indented

Nodes

a TreeNodeCollection containing the root nodes of the tree

NodeStyle

the TreeNodeStyle object that defines the default appearance of all tree

nodes

NodeWrap

a Boolean value indicating whether the text in a node wraps

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TreeView

NoExpandImageUrl

a string representing the URL for a custom image that indicates nodes that

cannot be expanded

ParentNodeStyle

the TreeNodeStyle object that defines the appearance of parent nodes

PathSeparator

the character used to delimit node values in the ValuePath property

PopulateNodesFromClient

a Boolean value that specifies whether or not node data should be populated

dynamically when necessary, without posting back to the server; default value

is True

RootNodeStyle

a TreeNodeStyle object that defines the appearance of the root node

SelectedNode

a string containing the value of the selected node

SelectedNodeStyle

a TreeNodeStyle object that defines the appearance of the selected node

ShowCheckBoxes

a TreeNodeTypes value that defines which tree nodes should be associated

with text boxes; possible values are All, Leaf, None, Parent, and Root

ShowExpandCollapse

a Boolean value that determines whether or not expansion node indicators

should be displayed

ShowLines

a Boolean value that determines whether or not linking lines between parent

nodes and child nodes should be displayed

SkipLinkText

a string that describes the link that allows screen reader users to skip the

content of this element

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Appendix A: Web Control Reference