Class TActiveHiddenField
TActiveHiddenField class
TActiveHiddenField displays a hidden input field on a Web page. The value of the input field can be accessed via Value property.
Constants Inherited From TControl |
AUTOMATIC_ID_PREFIX,
CLIENT_ID_SEPARATOR,
CS_CHILD_INITIALIZED,
CS_CONSTRUCTED,
CS_INITIALIZED,
CS_LOADED,
CS_PRERENDERED,
CS_STATE_LOADED,
ID_FORMAT,
ID_SEPARATOR,
IS_CHILD_CREATED,
IS_CREATING_CHILD,
IS_DISABLE_THEMING,
IS_DISABLE_VIEWSTATE,
IS_ID_SET,
IS_SKIN_APPLIED,
IS_STYLESHEET_APPLIED,
RF_ADAPTER,
RF_AUTO_BINDINGS,
RF_CHILD_STATE,
RF_CONTROLS,
RF_CONTROLSTATE,
RF_DATA_BINDINGS,
RF_EVENTS,
RF_NAMED_CONTROLS,
RF_NAMED_CONTROLS_ID,
RF_NAMED_OBJECTS,
RF_SKIN_ID,
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Constructor Summary |
public |
Creates a new callback control, sets the adapter to TActiveControlAdapter. If you override this class, be sure to set the adapter appropriately by, for example, by calling this constructor.
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Method Summary |
protected
void
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Ensure that the ID attribute is rendered and registers the javascript code for initializing the active control.
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TBaseActiveCallbackControl
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protected
string
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Gets the name of the javascript class responsible for performing postback for this control.
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TCallbackClientSide
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void
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This method is invoked when a callback is requested. The method raises 'OnCallback' event to fire up the event handlers. If you override this method, be sure to call the parent implementation so that the event handler can be invoked.
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void
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protected
void
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Override parent implementation, no javascript is rendered here instead the javascript required for active control is registered in addAttributesToRender.
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void
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Client-side Value property can only be updated after the OnLoad stage.
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Methods Inherited From THiddenField |
THiddenField::focus(), THiddenField::getData(), THiddenField::getDataChanged(), THiddenField::getEnableTheming(), THiddenField::getIsValid(), THiddenField::getTagName(), THiddenField::getValidationPropertyValue(), THiddenField::getValue(), THiddenField::loadPostData(), THiddenField::onValueChanged(), THiddenField::raisePostDataChangedEvent(), THiddenField::render(), THiddenField::setData(), THiddenField::setEnableTheming(), THiddenField::setIsValid(), THiddenField::setSkinID(), THiddenField::setValue()
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Methods Inherited From TControl |
TControl::addedControl(), TControl::addParsedObject(), TControl::addToPostDataLoader(), TControl::applyStyleSheetSkin(), TControl::autoBindProperty(), TControl::autoDataBindProperties(), TControl::bindProperty(), TControl::broadcastEvent(), TControl::bubbleEvent(), TControl::clearChildState(), TControl::clearControlState(), TControl::clearNamingContainer(), TControl::clearViewState(), TControl::convertUniqueIdToClientId(), TControl::createChildControls(), TControl::createControlCollection(), TControl::dataBind(), TControl::dataBindChildren(), TControl::dataBindProperties(), TControl::ensureChildControls(), TControl::findControl(), TControl::findControlsByID(), TControl::findControlsByType(), TControl::focus(), TControl::getAdapter(), TControl::getAllowChildControls(), TControl::getAttribute(), TControl::getAttributes(), TControl::getChildControlsCreated(), TControl::getClientID(), TControl::getControls(), TControl::getControlStage(), TControl::getControlState(), TControl::getCustomData(), TControl::getEnabled(), TControl::getEnableTheming(), TControl::getEnableViewState(), TControl::getHasAdapter(), TControl::getHasAttributes(), TControl::getHasChildInitialized(), TControl::getHasControls(), TControl::getHasInitialized(), TControl::getHasLoaded(), TControl::getHasLoadedPostData(), TControl::getHasPreRendered(), TControl::getID(), TControl::getNamingContainer(), TControl::getPage(), TControl::getParent(), TControl::getRegisteredObject(), TControl::getSkinID(), TControl::getSourceTemplateControl(), TControl::getTemplateControl(), TControl::getUniqueID(), TControl::getViewState(), TControl::getVisible(), TControl::hasAttribute(), TControl::initRecursive(), TControl::isDescendentOf(), TControl::isObjectRegistered(), TControl::loadRecursive(), TControl::loadState(), TControl::loadStateRecursive(), TControl::onDataBinding(), TControl::onInit(), TControl::onLoad(), TControl::onPreRender(), TControl::onUnload(), TControl::preRenderRecursive(), TControl::raiseBubbleEvent(), TControl::registerObject(), TControl::removeAttribute(), TControl::removedControl(), TControl::render(), TControl::renderChildren(), TControl::renderControl(), TControl::saveState(), TControl::saveStateRecursive(), TControl::setAdapter(), TControl::setAttribute(), TControl::setChildControlsCreated(), TControl::setControlStage(), TControl::setControlState(), TControl::setCustomData(), TControl::setEnabled(), TControl::setEnableTheming(), TControl::setEnableViewState(), TControl::setID(), TControl::setPage(), TControl::setSkinID(), TControl::setTemplateControl(), TControl::setViewState(), TControl::setVisible(), TControl::trackViewState(), TControl::traverseChildControls(), TControl::unbindProperty(), TControl::unloadRecursive(), TControl::unregisterObject(), TControl::__get()
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Methods Inherited From TComponent |
TComponent::addParsedObject(), TComponent::attachEventHandler(), TComponent::canGetProperty(), TComponent::canSetProperty(), TComponent::createdOnTemplate(), TComponent::detachEventHandler(), TComponent::evaluateExpression(), TComponent::evaluateStatements(), TComponent::getEventHandlers(), TComponent::getSubProperty(), TComponent::hasEvent(), TComponent::hasEventHandler(), TComponent::hasProperty(), TComponent::raiseEvent(), TComponent::setSubProperty(), TComponent::__get(), TComponent::__set()
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Constructor Details |
__construct
Creates a new callback control, sets the adapter to TActiveControlAdapter. If you override this class, be sure to set the adapter appropriately by, for example, by calling this constructor.
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Method Details |
addAttributesToRender
protected void addAttributesToRender |
(mixed $writer ) |
Ensure that the ID attribute is rendered and registers the javascript code for initializing the active control.
Input |
mixed | $writer | |
Output |
Exception |
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getActiveControl
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getClientClassName
protected string getClientClassName |
() |
Gets the name of the javascript class responsible for performing postback for this control.
This method overrides the parent implementation.
Output |
string
| the javascript class name |
Exception |
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getClientSide
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onCallback
This method is invoked when a callback is requested. The method raises 'OnCallback' event to fire up the event handlers. If you override this method, be sure to call the parent implementation so that the event handler can be invoked.
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raiseCallbackEvent
Raises the callback event. This method is required by ICallbackEventHandler interface.
This method is mainly used by framework and control developers.
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renderClientControlScript
protected void renderClientControlScript |
(mixed $writer ) |
Override parent implementation, no javascript is rendered here instead the javascript required for active control is registered in addAttributesToRender.
Input |
mixed | $writer | |
Output |
Exception |
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setValue
public void setValue |
(string $value ) |
Client-side Value property can only be updated after the OnLoad stage.
Input |
string | $value | text content for the hidden field |
Output |
Exception |
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