问题描述
"/incometax"应用程序中的服务器错误.
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内容控件必须是内容页或引用母版页的嵌套母版页中的顶级控件.
说明:执行当前Web请求期间发生未处理的异常.请查看堆栈跟踪，以获取有关错误及其在代码中起源的更多信息.
异常详细信息:System.Web.HttpException:内容控件必须是内容页或引用母版页的嵌套母版页中的顶级控件.
Server Error in ''/incometax'' Application.
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Content controls have to be top-level controls in a content page or a nested master page that references a master page.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Web.HttpException: Content controls have to be top-level controls in a content page or a nested master page that references a master page.
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