ExtAspNet和FineUI未将对象引用设置到对象的实例

要在web.config中加入

<configSections>
<section name="ExtAspNet" type="ExtAspNet.ConfigSection, ExtAspNet" requirePermission="false"/>
<section name="FineUI" type="FineUI.ConfigSection, FineUI" requirePermission="false" />
</configSections>

<FineUI DebugMode="true" />

<ExtAspNet EnableBigFont="true" DebugMode="true" EnableAjax="true"></ExtAspNet>

原文：http://www.cnblogs.com/xiaomen/p/5331741.html