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Class TRequiredFieldValidator
TRequiredFieldValidator class
TRequiredFieldValidator makes the associated input control a required field.
The input control fails validation if its value does not change from the setInitialValue InitialValue property upon losing focus.
Validation will also succeed if input is of TListControl type and the number
of selected values different from the initial value is greater than zero.
If the input is of TListControl type and has a TListControl::setPromptValue PromptValue set, it will be automatically
considered as the validator's setInitialValue InitialValue.
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TComponent
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TApplicationComponent
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TControl
implements
IRenderable,
IBindable
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TWebControl
implements
IStyleable
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TLabel
implements
IDataRenderer
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TBaseValidator
implements
IValidator
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TRequiredFieldValidator
Methods summary
protected
string
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getClientClassName( )
Gets the name of the javascript class responsible for performing validation
for this control. This method overrides the parent implementation.
Gets the name of the javascript class responsible for performing validation
for this control. This method overrides the parent implementation.
Returns
string the javascript class name
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public
string
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getInitialValue( )
Returns
string the initial value of the associated input control. Defaults to empty string
unless the control has a prompt value set. If the associated input control does
not change from this initial value upon postback, the validation fails.
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protected
string
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getControlPromptValue( )
Returns
string the initial value of the associated input control. Defaults to empty string. If
the associated input control does not change from this initial value upon
postback, the validation fails.
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public
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setInitialValue( string $value )
Parameters
- $value
string the initial value of the associated input control. If the associated input
control does not change from this initial value upon postback, the validation
fails.
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protected
boolean
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evaluateIsValid( )
This method overrides the parent's implementation. The validation succeeds if
the input component changes its data from the getInitialValue
InitialValue or the input control is not given.
This method overrides the parent's implementation. The validation succeeds if
the input component changes its data from the getInitialValue
InitialValue or the input control is not given.
Validation will also succeed if input is of TListControl type and the number
of selected values different from the initial value is greater than zero.
Returns
boolean whether the validation succeeds
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protected
array
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getClientScriptOptions( )
Returns an array of javascript validator options.
Returns an array of javascript validator options.
Returns
array javascript validator options.
Overrides
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Methods inherited from TBaseValidator
__construct(),
addAttributesToRender(),
createClientSide(),
getClientSide(),
getControlCssClass(),
getControlToValidate(),
getDisplay(),
getEnableClientScript(),
getErrorMessage(),
getFocusElementID(),
getFocusOnError(),
getIsValid(),
getValidationGroup(),
getValidationTarget(),
getValidationValue(),
onInit(),
onPreRender(),
onUnload(),
onValidate(),
onValidationError(),
onValidationSuccess(),
registerClientScriptValidator(),
renderClientControlScript(),
renderContents(),
setControlCssClass(),
setControlToValidate(),
setDisplay(),
setEnableClientScript(),
setEnabled(),
setErrorMessage(),
setFocusElementID(),
setFocusOnError(),
setForControl(),
setIsValid(),
setValidationGroup(),
updateControlCssClass(),
validate()
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Methods inherited from TWebControl
clearStyle(),
copyBaseAttributes(),
createStyle(),
getAccessKey(),
getBackColor(),
getBorderColor(),
getBorderStyle(),
getBorderWidth(),
getCssClass(),
getDecorator(),
getEnsureId(),
getFont(),
getForeColor(),
getHasStyle(),
getHeight(),
getStyle(),
getTabIndex(),
getToolTip(),
getWidth(),
renderBeginTag(),
renderEndTag(),
setAccessKey(),
setBackColor(),
setBorderColor(),
setBorderStyle(),
setBorderWidth(),
setCssClass(),
setEnsureId(),
setForeColor(),
setHeight(),
setStyle(),
setTabIndex(),
setToolTip(),
setWidth()
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Methods inherited from TControl
__get(),
addParsedObject(),
addToPostDataLoader(),
addedControl(),
applyStyleSheetSkin(),
autoBindProperty(),
autoDataBindProperties(),
bindProperty(),
broadcastEvent(),
bubbleEvent(),
clearChildState(),
clearControlState(),
clearNamingContainer(),
clearViewState(),
convertUniqueIdToClientId(),
createChildControls(),
createControlCollection(),
dataBind(),
dataBindChildren(),
dataBindProperties(),
ensureChildControls(),
findControl(),
findControlsByID(),
findControlsByType(),
focus(),
getAdapter(),
getAllowChildControls(),
getAttribute(),
getAttributes(),
getChildControlsCreated(),
getClientID(),
getControlStage(),
getControlState(),
getControls(),
getCustomData(),
getEnableTheming(),
getEnableViewState(),
getEnabled(),
getHasAdapter(),
getHasAttributes(),
getHasChildInitialized(),
getHasControls(),
getHasInitialized(),
getHasLoaded(),
getHasLoadedPostData(),
getHasPreRendered(),
getID(),
getIsSkinApplied(),
getNamingContainer(),
getPage(),
getParent(),
getRegisteredObject(),
getSkinID(),
getSourceTemplateControl(),
getTemplateControl(),
getUniqueID(),
getViewState(),
getVisible(),
hasAttribute(),
initRecursive(),
isDescendentOf(),
isObjectRegistered(),
loadRecursive(),
loadState(),
loadStateRecursive(),
onDataBinding(),
onLoad(),
preRenderRecursive(),
raiseBubbleEvent(),
registerObject(),
removeAttribute(),
removedControl(),
renderChildren(),
renderControl(),
saveState(),
saveStateRecursive(),
setAdapter(),
setAttribute(),
setChildControlsCreated(),
setControlStage(),
setControlState(),
setCustomData(),
setEnableTheming(),
setEnableViewState(),
setID(),
setPage(),
setSkinID(),
setTemplateControl(),
setViewState(),
setVisible(),
trackViewState(),
traverseChildControls(),
unbindProperty(),
unloadRecursive(),
unregisterObject()
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Methods inherited from TComponent
__call(),
__destruct(),
__isset(),
__set(),
__sleep(),
__unset(),
__wakeup(),
asa(),
attachBehavior(),
attachBehaviors(),
attachClassBehavior(),
attachEventHandler(),
canGetProperty(),
canSetProperty(),
clearBehaviors(),
createdOnTemplate(),
detachBehavior(),
detachBehaviors(),
detachClassBehavior(),
detachEventHandler(),
disableBehavior(),
disableBehaviors(),
enableBehavior(),
enableBehaviors(),
evaluateExpression(),
evaluateStatements(),
fxAttachClassBehavior(),
fxDetachClassBehavior(),
getAutoGlobalListen(),
getBehaviorsEnabled(),
getClassHierarchy(),
getEventHandlers(),
getListeningToGlobalEvents(),
getSubProperty(),
hasEvent(),
hasEventHandler(),
hasProperty(),
isa(),
listen(),
raiseEvent(),
setSubProperty(),
unlisten()
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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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