在使用EF進行更新數據時出錯，報出的異常是
“An error occurred while updating the entries. See the inner exception for details”
最開始一直不知道在哪里，可以看到這個“inner exception”，最后才發現，在異常彈出窗的下面，有一個查看詳情。可以在這個頁面里面看到具體的錯誤信息。如下：
找到了具體的錯誤信息，這個錯誤就很容易解決了。
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An error occurred while updating the entries. See the inner exception for details.
添加數據時報錯：An error occurred while updating the entries. See the inner exception for detail。
An error occurred while starting a transaction on the provider connection. See the inner exception for details.
Ide error occurred see details and submit report
An error has occurred,See error log for more details 錯誤解決辦法
An error has occurred. See error log for more details. java.lang.NullPointerException
關於xcode出現An unknown error occurred. See the install log for more details安裝失敗解決辦法
親測,Eclipse報"An error has occurred,See error log for more details. java.lang.NullPointerException"
啟動線程組報錯：Error occurred starting thread group :test_1, error message:Invalid duration 0 set in Thread Group:test_1, see log file for more details
An unhandled exception occurred while processing the request.