Fix For Error:
Unhandled exception has occurred in your application. if you click Continue, the application will ignore this error and attempt to continue. if you click Quit, the application will close imminently.
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connection.(Provider: SQL Network Interfaces, Error:52 - Unable to locate a Local Database Runtime installation. Verify that SQL Server Express is properly installed and that the Local Database Runtime feature is enabled.)
Intall SQL Server & Management Studio:
• How to Install SQL Server & SQL Server Man...
Convert Your Database To A LocalDB:
• Convert SQL Server Database To Local Datab...
Cannot Connect To SQL Server (Error Fix):
• SQL Server Managemnet Studio | Error Fix |...
CONNECTION STRING:
string domain = (AppDomain.CurrentDomain.BaseDirectory).ToString();
string connect = @"Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename= " + domain + "YourLocalDBName.mdf;" + "Integrated Security=True;Connect Timeout=15;";
Note that:
YourLocalDBName.mdf is the only thing you have to change.
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