The underlying provider failed on Open.
（作者：陈华周，撰写时间：2019年2月1日） 开发工具：Visual Studio 关键技术：数据模型生成web.config 通常我们报这个The underlying provider failed on Open.错误。 是C# .net asp MVC模式开发中的ADO.net实体数据模型访问连接sqlserver数据库自动生成一个web.config配置文件问题 通常ADO.net实体
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相关文章
- 1. EF6 迁移错误 ：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...
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