Hashtable 使用GetEnumerator() 时发生 System.InvalidOperationException类型错误
an exception of type System.InvalidOperationException is thrown if the collection is modified within a foreach loop, reporting that the collection was modified after the enumerator was instantiated.
因为枚举的时候改变了Hashtable集合.
Hashtable 使用GetEnumerator() 时发生 System.InvalidOperationException类型错误
an exception of type
System.InvalidOperationException is thrown if the collection is modified within a
foreach loop, reporting that the collection was modified after the enumerator was instantiated.
因为枚举的时候改变了Hashtable集合.
http://mark.michaelis.net/Blog/TheInternalsOfForeach.aspx
http://support.microsoft.com/kb/815634/zh-cn
