大多数情况下，方法都很短，只需知道你在哪个函数中出现了异常，就足以让你找出原因，但我们都知道，我们并不是生活在这样一个完美的世界里：我们编写的是完全模块化的应用程序，所有的东西都排列得很整齐：）
假设你在堆上发现了这个异常。。。

0:025> !dumpobj 02b7191c

Name: System.NullReferenceException

MethodTable: 7915ec4c

EEClass: 791ea18c

Size:72(0x48) bytes (C:\WINDOWS\assembly\GAC_32\mscorlib\2.0.0.0__b77a5c561934e089\mscorlib.dll)



Fields:

MT Field Offset Type VT Attr Value Name

790fa3e0 40000b54 System.String 0 instance 00000000_className79109208 40000b6 8 ...ection.MethodBase 0 instance 00000000_exceptionMethod

790fa3e0 40000b7 c System.String0 instance 00000000_exceptionMethodString

790fa3e0 40000b810 System.String 0instance 02b719bc _message

79113dfc 40000b914 ...tions.IDictionary 0 instance 00000000_data

790fa9e8 40000ba18 System.Exception 0 instance 00000000_innerException

790fa3e0 40000bb 1c System.String0 instance 00000000_helpURL

790f9c18 40000bc20 System.Object 0instance 02b71a38 _stackTrace

790fa3e0 40000bd24 System.String 0 instance 00000000_stackTraceString

790fa3e0 40000be28 System.String 0 instance 00000000_remoteStackTraceString

790fed1c 40000bf34 System.Int32 0 instance 0_remoteStackIndex

790f9c18 40000c0 2c System.Object0 instance 00000000_dynamicMethods

790fed1c 40000c138 System.Int32 0 instance -2147467261_HResult

790fa3e0 40000c230 System.String 0 instance 00000000_source

790fe160 40000c3 3c System.IntPtr0 instance 34270984_xptrs

790fed1c 40000c440 System.Int32 0 instance -1073741819_xcode0:025> !printexception 02b7191c

Exceptionobject: 02b7191c

Exception type: System.NullReferenceException

Message: Object reference not set to an instance of anobject.

InnerException:<none>StackTrace (generated):

SP IP Function

020AF378 029C3269 DisplayUserInfo.Page_Load(System.Object, System.EventArgs)



StackTraceString:<none>

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