求助:错误信息(Object reference not set to an instance of an object) - ASP.NET技术论坛

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求助:错误信息(Object reference not set to an instance of an object)

大家好!我刚写了一个 XX.ASPX.CS文件,运行时,出现以下错误.请那位高手能找出其中的原因啊!谢谢!

Object reference not set to an instance of an object.

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.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[NullReferenceException: Object reference not set to an instance of an object.]
   CommonFunction.DataGridPager.InitializeComponent() in F:\ggf\MyBooks\ASP.NET 专家门诊300问\季久峰\光盘\Example\第6章 数据服务控件\示例116\DataGridPager.aspx.cs:59
   CommonFunction.DataGridPager.OnInit(EventArgs e) in F:\ggf\MyBooks\ASP.NET 专家门诊300问\季久峰\光盘\Example\第6章 数据服务控件\示例116\DataGridPager.aspx.cs:49
   System.Web.UI.Control.InitRecursive(Control namingContainer) +240
   System.Web.UI.Page.ProcessRequestMain() +172

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