遇到的異常處理

標籤：

• A first chance exception of type ‘System.Data.Entity.Core.EntityException‘ occurred in EntityFramework.dll

Additional information: The underlying provider failed on Open.

InnerException: {"A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)"}

StackTrace: at System.Data.Entity.Core.EntityClient.EntityConnection.Open()

沒有連VPN，資料庫連接失敗

 

遇到的異常處理