The connection property in the Application Settings file is missing or incorrect
Visual Studio 2015
For the latest documentation on Visual Studio 2017, see The connection property in the Application Settings file is missing or incorrect on docs.microsoft.com. The connection property in the Application Settings file is missing or incorrect. The connection string from the .dbml file has been used in its place.
The .dbml file contains a reference to a connection string in the application settings file that cannot be found. This message is informational; the connection string setting will be created when OK is clicked.
To respond to this message
- Click OK. The connection information that is contained in the .dbml file is added to application settings.
LINQ to SQL Tools in Visual Studio
Walkthrough: Creating LINQ to SQL Classes (O-R Designer)
NIB: How to: Add or Remove Application Settings
LINQ to SQL
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