The underlying provider failed on Open.
（作者：陳華周，撰寫時間：2019年2月1日） 開發工具：Visual Studio 關鍵技術：數據模型生成web.config 通常我們報這個The underlying provider failed on Open.錯誤。 是C# .net asp MVC模式開發中的ADO.net實體數據模型訪問連接sqlserver數據庫自動生成一個web.config配置文件問題 通常ADO.net實體
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相關文章
- 1. EF6 遷移錯誤 ：The underlying provider does not support the type ‘nvarchar(max)‘.
- 2. The underlying connection was closed: An unexpected error occurred on a send
- 3. Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine
- 4. Dobbo 2.7.6 Failed to check the status of the service **** No provider available for the service **
- 5. Windows 2008 / Windows 7 x64: The ‘Microsoft.Jet.OLEDB.4.0′ provider is not registered on the local...
- 6. The underlying connection was closed: An unexpected error occurred on a rece
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- 8. No provider available for the service com.alibaba.
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- 10. The 'microsoft.jet.oledb.4.0' provider is not registered on the local machin