ArcGis For Flex中在infowindow中弹出chart报错

f504501983 2014-04-25 10:06:32

项目使用flex开发GIS，需要在infowindow中显示一个趋势图，我在viewer:BaseWidget标签内今天加了，以下代码，并且没有任何数据库交互，直接报错

<mx:VBox id="vGroup" height="100%" width="100%">

		

			<mx:LineChart id="linechart" chartSeriesStyles="" height="100%" width="100%" paddingLeft="5" paddingRight="5" showDataTips="true" dataProvider="{datagridArray}">					

				<mx:horizontalAxis>

					<mx:CategoryAxis categoryField="searchDate"/>

				</mx:horizontalAxis>

				<mx:series>

					<mx:LineSeries id="lSeries" yField="value"/>

				</mx:series>

			</mx:LineChart>

	</mx:VBox>

错误信息如下，没有任何一行代码是我写的，经调试发现chartClasses\ChartBase.as:1862]的1861行的var chartBaseStyle:CSSStyleDeclaration = styleManager.getStyleDeclaration("mx.charts.chartClasses.ChartBase");结果为空
导致出错，哪位大神有方案，解救下。。。。
TypeError: Error #1009: 无法访问空对象引用的属性或方法。
at mx.charts.chartClasses::ChartBase/initStyles()[E:\dev\4.y\frameworks\projects\charts\src\mx\charts\chartClasses\ChartBase.as:1862]
at mx.charts.chartClasses::ChartBase/set moduleFactory()[E:\dev\4.y\frameworks\projects\charts\src\mx\charts\chartClasses\ChartBase.as:1894]
at mx.charts.chartClasses::CartesianChart/set moduleFactory()[E:\dev\4.y\frameworks\projects\charts\src\mx\charts\chartClasses\CartesianChart.as:816]
at mx.charts::LineChart/set moduleFactory()[E:\dev\4.y\frameworks\projects\charts\src\mx\charts\LineChart.as:191]
at mx.core::UIComponent/http://www.adobe.com/2006/flex/mx/internal::addingChild()[E:\dev\4.y\frameworks\projects\framework\src\mx\core\UIComponent.as:7429]
at mx.core::Container/http://www.adobe.com/2006/flex/mx/internal::addingChild()[E:\dev\4.y\frameworks\projects\mx\src\mx\core\Container.as:3926]
at mx.core::Container/addChildAt()[E:\dev\4.y\frameworks\projects\mx\src\mx\core\Container.as:2608]
at mx.core::Container/addChild()[E:\dev\4.y\frameworks\projects\mx\src\mx\core\Container.as:2534]
at mx.core::Container/createComponentFromDescriptor()[E:\dev\4.y\frameworks\projects\mx\src\mx\core\Container.as:4396]
at mx.core::Container/createComponentsFromDescriptors()[E:\dev\4.y\frameworks\projects\mx\src\mx\core\Container.as:4183]
at mx.core::Container/createDeferredContent()[E:\dev\4.y\frameworks\projects\mx\src\mx\core\Container.as:4214]
at mx.containers::ViewStack/instantiateSelectedChild()[E:\dev\4.y\frameworks\projects\mx\src\mx\containers\ViewStack.as:1260]
at mx.containers::ViewStack/commitProperties()[E:\dev\4.y\frameworks\projects\mx\src\mx\containers\ViewStack.as:756]
at mx.core::UIComponent/validateProperties()[E:\dev\4.y\frameworks\projects\framework\src\mx\core\UIComponent.as:8219]
at mx.managers::LayoutManager/validateProperties()[E:\dev\4.y\frameworks\projects\framework\src\mx\managers\LayoutManager.as:597]
at mx.managers::LayoutManager/doPhasedInstantiation()[E:\dev\4.y\frameworks\projects\framework\src\mx\managers\LayoutManager.as:813]
at mx.managers::LayoutManager/doPhasedInstantiationCallback()[E:\dev\4.y\frameworks\projects\framework\src\mx\managers\LayoutManager.as:1180]

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