Problem in opening a widget

RahatSyed — Sun, 26 Jun 2011 10:45:04 GMT

I am getting following error when call addChild() method.

---------Code---------------------------
var widget:IBaseWidget = info.factory.create() as IBaseWidget;
widget.setId(id);
widget.setTitle(label);
widget.setIcon(iconUrl);
widget.setConfig(configUri);
widget.setConfigData(configData);
widget.setMap(map);
widget.setMapTooltipObject(mapTooltips);
widgetTable.add(id, widget);
var widgetDO:DisplayObject = widget as DisplayObject;
addChild(widgetDO);
-------------------------------------------------

-------Error------------------------------
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at mx.core::UIComponent/getStyle()
at mx.core::UIComponent/getTextFieldClassName()
at mx.core::UIComponent/createInFontContext()
at mx.controls::Label/http://www.adobe.com/2006/flex/mx/internal::createTextField()
at mx.controls::Label/createChildren()
at mx.core::UIComponent/initialize()
at mx.core::UIComponent/http://www.adobe.com/2006/flex/mx/internal::childAdded()
at mx.core::Container/http://www.adobe.com/2006/flex/mx/internal::childAdded()
at mx.core::Container/addChildAt()
at mx.core::Container/addChild()
at mx.core::Container/createComponentFromDescriptor()
at mx.core::Container/createComponentsFromDescriptors()
at mx.core::Container/createChildren()
at mx.containers::FormItem/createChildren()
at mx.core::UIComponent/initialize()
at mx.core::Container/initialize()
at mx.core::UIComponent/http://www.adobe.com/2006/flex/mx/internal::childAdded()
at mx.core::Container/http://www.adobe.com/2006/flex/mx/internal::childAdded()
at mx.core::Container/addChildAt()
at mx.containers::Form/addChildAt()
at mx.core::Container/addChild()
at mx.containers::Form/addChild()
at mx.core::Container/createComponentFromDescriptor()
at mx.core::Container/createComponentsFromDescriptors()
at mx.core::Container/createChildren()
at mx.core::UIComponent/initialize()
at mx.core::Container/initialize()
at mx.core::UIComponent/http://www.adobe.com/2006/flex/mx/internal::childAdded()
at mx.core::Container/http://www.adobe.com/2006/flex/mx/internal::childAdded()
at mx.core::Container/addChildAt()
at mx.core::Container/addChild()
at mx.core::Container/createComponentFromDescriptor()
at mx.core::Container/createComponentsFromDescriptors()
at mx.core::Container/createChildren()
at mx.core::UIComponent/initialize()
at mx.core::Container/initialize()
at com.upc.widgets::FileUploadWidget/initialize()
at mx.core::UIComponent/http://www.adobe.com/2006/flex/mx/internal::childAdded()
at mx.core::Container/http://www.adobe.com/2006/flex/mx/internal::childAdded()
at mx.core::Container/addChildAt()
at mx.core::Container/addChild()
at com.upc::WidgetManager/widgetReadyHandler()
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at ModuleInfoProxy/moduleEventHandler()
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at ModuleInfo/readyHandler()
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::FlexModuleFactory/update()
at mx.core::FlexModuleFactory/docFrameHandler()
at mx.core::FlexModuleFactory/docFrameListener()

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Problem in opening a widget