System.Web.UI.WebControls

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Packages:
prado
Database
RSSBuilder
System
System.Data
System.Exception
System.I18N
System.I18N.core
System.Security
System.Web.Services
System.Web.Services.AJAX
System.Web.UI
System.Web.UI.ActiveControls
System.Web.UI.WebControls

Classes:

IListItemSource
TBaseDataList
TBoundColumn
TButton
TButtonColumn
TCheckBox
TCheckBoxList
TCompareValidator
TCustomValidator
TDataGrid
TDataGridColumn
TDataGridCommandEventParameter
TDataGridItem
TDataGridItemCollection
TDataGridItemEventParameter
TDataList
TDataListCommandEventParameter
TDataListItem
TDataListItemCollection
TDataListItemEventParameter
TDatePicker
TDropDownList
TEditCommandColumn
TEmailAddressValidator
TExpression
TFileUpload
TFormLabel
THead
THiddenField
THtmlArea
THyperLink
THyperLinkColumn
TImage
TImageButton
TImageClickEventParameter
TJavascriptLogger
TLabel
TLinkButton
TListBox
TListControl
TListItem
TLiteral
TPanel
TPlaceHolder
TRadioButton
TRadioButtonList
TRangeValidator
TRegularExpressionValidator
TRepeater
TRepeaterCommandEventParameter
TRepeaterItem
TRepeaterItemEventParameter
TRequiredFieldValidator
TRequiredListValidator
TServerValidateEventParameter
TStatements
TTable
TTableCell
TTableHeaderCell
TTableRow
TTemplateColumn
TTextBox
TValidationSummary
TValidator
TValidatorGroup
TWebControl
TWizard
TWizardCommandEventParameter
TWizardStep
TWizardTemplate

Files:

IListItemSource.php
TBaseDataList.php
TBoundColumn.php
TButton.php
TButtonColumn.php
TCheckBox.php
TCheckBoxList.php
TCompareValidator.php
TCustomValidator.php
TDataGrid.php
TDataGridColumn.php
TDataGridItem.php
TDataList.php
TDataListItem.php
TDatePicker.php
TDropDownList.php
TEditCommandColumn.php
TEmailAddressValidator.php
TExpression.php
TFileUpload.php
TFormLabel.php
THead.php
THiddenField.php
THtmlArea.php
THyperLink.php
THyperLinkColumn.php
TImage.php
TImageButton.php
TJavascriptLogger.php
TLabel.php
TLinkButton.php
TListBox.php
TListControl.php
TListItem.php
TLiteral.php
TPanel.php
TPlaceHolder.php
TRadioButton.php
TRadioButtonList.php
TRangeValidator.php
TRegularExpressionValidator.php
TRepeater.php
TRepeaterItem.php
TRequiredFieldValidator.php
TRequiredListValidator.php
TStatements.php
TTable.php
TTableCell.php
TTableHeaderCell.php
TTableRow.php
TTemplateColumn.php
TTextBox.php
TValidationSummary.php
TValidator.php
TValidatorGroup.php
TWebControl.php
TWizard.php
TWizardStep.php
TWizardTemplate.php

Class: THiddenField

Source Location: /Web/UI/WebControls/THiddenField.php

Class Overview

TComponent
   |
   --TControl
      |
      --THiddenField

THiddenField class

Class Details

[line 38]
THiddenField class

THiddenField represents a hidden form field. The field data can be accessed via its Value property.

Namespace: System.Web.UI.WebControls

Properties

Value, string, kept in viewstate
Gets or sets the value of THiddenField component.

Events

OnValueChanged Occurs when the value of the hidden field component is changed.

version:	v1.0, last update on 2004/08/13 21:44:52
author:	Qiang Xue <qiang.xue@gmail.com>

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Methods

Inherited Variables

Class: TComponent

TComponent::$children

Inherited Methods

Class: TControl

TControl::__construct(): Constructor.
TControl::addBody(): Appends an object into the body collection of this control.
TControl::addParsedObject(): Adds the object parsed in template as a body of the component.
TControl::allowBody(): Determines whether the control can add the object as a body.
TControl::clearViewState(): Clears viewstate
TControl::findBodyControl()
TControl::getAttribute()
TControl::getAttributes(): Returns the attribute list object.
TControl::getAttributesToRender(): Returns attributes to be rendered.
TControl::getBodies()
TControl::getClientID(): Returns the client ID of the component.
TControl::getContainer(): Returns the container of this component.
TControl::getSkinName()
TControl::getTagName()
TControl::getViewState(): Returns a viewstate value.
TControl::initSkin(): Initializes a skin for the control. If a skin name is provided then that skin will be loaded.
TControl::isViewStateEnabled()
TControl::isVisible(): This method checks whether a control is visible.
TControl::loadViewState(): Loads viewstate into this component and its children.
TControl::onBubbleEvent(): This method responds to a bubbled event.
TControl::onInit(): This method is invoked when the control enters 'Init' stage.
TControl::onInitRecursive(): Calls onInit of this control and its children recursively.
TControl::onLoad(): This method is invoked when the control enters 'Load' stage.
TControl::onLoadRecursive(): Calls onLoad of this control and its children recursively.
TControl::onPreRender(): This method is invoked when the control enters 'PreRender' stage.
TControl::onPreRenderRecursive(): Calls onPreRender of this control and its children recursively.
TControl::onUnload(): This method is invoked when the control enters 'Unload' stage.
TControl::onUnloadRecursive(): Calls onUnload of this control and its children recursively.
TControl::raiseBubbleEvent(): Invokes the parent's onBubbleEvent method.
TControl::removeBodies(): Removes all body content.
TControl::render(): Renders this control.
TControl::renderAttributes(): Renders the attributes.
TControl::renderBody(): Renders the body content.
TControl::saveViewState(): Returns the viewstate of this component and its children.
TControl::setAttribute(): Sets an attribute.
TControl::setContainer(): Sets the container of this component
TControl::setEnableViewState()
TControl::setSkinName(): Sets the skin to use for this control
TControl::setTagName(): Sets the tag name.
TControl::setViewState(): Sets a viewstate value.
TControl::setVisible()
TControl::synchronizeControl(): This method should only be used by framework developer.

Class: TComponent

TComponent::__construct(): Constructor.
TComponent::addChild(): Adds a child component.
TComponent::addParsedObject(): Handles a component or string met in template.
TComponent::attachEventHandler(): Attaches a handler function to an event.
TComponent::bindProperty(): Sets up the binding between a property and an expression.
TComponent::canGetProperty(): Determines whether a property can be read.
TComponent::canSetProperty(): Determines whether a property can be written.
TComponent::createComponent(): Creates a child component.
TComponent::dataBind(): Performs the databinding for this component.
TComponent::evaluateExpression(): Evaluates a PHP expression.
TComponent::evaluateStatements(): Evaluates a list of PHP statements.
TComponent::findObject(): Finds an object by its ID path.
TComponent::getApplication()
TComponent::getChild()
TComponent::getChildren()
TComponent::getDefinition(): Returns or builds a component definition.
TComponent::getGlobalization(): Returns the Globalization instance for the application.
TComponent::getID()
TComponent::getModule(): Returns the module object that contains the component or the page containing the component.
TComponent::getPage()
TComponent::getParent()
TComponent::getPropertyInitValue(): Gets the initial value of a property.
TComponent::getPropertyType(): Returns the type of a property
TComponent::getRequest(): Returns the request object associated with application.
TComponent::getServiceManager(): Returns the service manager for this application.
TComponent::getSession(): Returns the session object associated with the application.
TComponent::getSessionState(): Returns a session variable.
TComponent::getUniqueID(): Returns the unique ID of the component.
TComponent::getUser(): Returns the user object associated with the application.
TComponent::hasChildren()
TComponent::hasEvent(): Determines whether an event is defined.
TComponent::hasProperty(): Determines whether a property is defined.
TComponent::initProperties(): Initializes the property values.
TComponent::instantiateTemplate(): Parses a template string and instantiates the content.
TComponent::onDataBinding(): This method is invoked when dataBind is invoked for the component.
TComponent::raiseEvent(): Invokes all attached event handler functions for a particular event.
TComponent::removeChild(): Removes a child component.
TComponent::removeChildren(): Removes all child components.
TComponent::setAttribute(): Sets an attribute.
TComponent::setDefinition(): Sets a component definition.
TComponent::setID(): Sets a component ID.
TComponent::setParent(): Sets the parent of this component.
TComponent::setPropertyInitValue(): Sets the initial value of a property.
TComponent::setRoot(): Sets the root component in the component hierarchy.
TComponent::setSessionState(): Sets a session variable.
TComponent::unbindProperty(): Breaks the binding between a property and an expression.
TComponent::__get(): Returns a property value by name or a child component by ID.
TComponent::__set(): Sets value of a component property.

Class Methods

constructor __construct [line 44]

THiddenField __construct(
)

Constructor.

Sets TagName property to 'input'.

access:

public

Overrides TControl::__construct() (Constructor.)

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method getAttributesToRender [line 71]

ArrayObject getAttributesToRender(
)

This overrides the parent implementation by rendering more THiddenField-specific attributes.

return:	the attributes to be rendered
access:	protected

Overrides TControl::getAttributesToRender() (Returns attributes to be rendered.)

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method getValidationPropertyValue [line 108]

mixed getValidationPropertyValue(
)

Returns the value of the property that needs validation.

return:	the property value to be validated
access:	public

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method getValue [line 53]

string getValue(
)

return:	the value of the THiddenField
access:	public

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method loadPostData [line 87]

boolean loadPostData(
string
$key, array
&$values)

Loads hidden field data.

This method is primarly used by framework developers.

return:	whether the data of the component has been changed
access:	public

Parameters:

string	$key	the key that can be used to retrieve data from the input data collection
array	&$values	the input data collection

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method onValueChanged [line 130]

void onValueChanged(
TEventParameter
$param)

This method is invoked when the value of the Value property changes between posts to the server.

The method raises 'OnValueChanged' event to fire up the event delegates. If you override this method, be sure to call the parent implementation so that the event delegates can be invoked.

access:

public

Parameters:

TEventParameter

$param

event parameter to be passed to the event handlers

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method raisePostDataChangedEvent [line 118]

void raisePostDataChangedEvent(
)

Raises postdata changed event.

This method calls onValueChanged method. This method is primarly used by framework developers.

access:

public

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method setValue [line 62]

void setValue(
string
$value)

Sets the value of the THiddenField

access:

public

Parameters:

string

$value

the value to be set

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© 2004-2005 PRADO Software Group. All Rights Reserved.