XmlSerialize error: There was an error generating the XML document.

自訂class 做xmlserialize 時候報錯: There was an error generating the XML document.

令人非常惱火的錯誤，參照:

Troubleshooting Common Problem with XmlSerializer http://msdn.microsoft.com/en-us/library/aa302290.aspx

XmlSerializer 常見問題 http://msdn.microsoft.com/zh-cn/library/aa302290.aspx

 

解決辦法

1. try catch InvalidOperationException, 查看InnerException,

2. 確保類有Serializable 標記

3. 我這邊的問題是沒有一個無參數的建構函式