![]() ![]() The steps above generated the necessary code to create the database. If you make changes to your models or the seeding script, execute the “Add-Migration Init” command again in the Package Manager Console. The command generates the necessary code to create the database tables.If you make additional changes to your model that you want to include in this migration, then you can re-scaffold it by running ‘Add-Migration Init’ again. This snapshot is used to calculate the changes to your model when you scaffold the next migration. The Designer Code for this migration file includes a snapshot of your current Code First model. PM> Enable-Migrations –EnableAutomaticMigrationsĬhecking if the context targets an existing database…Ĭode First Migrations enabled for project USC_SocialMediaWebApp. At the bottom of the screen, the Package Manager Console window opensĮnable-Migrations –EnableAutomaticMigrations.In the Tools menu of Visual Studio select NuGet Package Manager, Package Manager Console.Open a new tab in Microsoft SQL Server Management Studio and executeĬonfigure the web application for Code First development.Close the tab in Microsoft SQL Server Management Studio that you used to connect to the new database to close the open connection to it.The script generator checks the database for existing tables, so if you have used the web application to automatically create the tables, delete the database, so the generated script will contain all necessary steps to create the entire database. Only delete the existing database if you have no important data or configuration changes in the existing database! Generate an SQL script to create the database Delete the existing database ![]() The application will automatically generate the user authentication tables in the database.Select Register in the menu of the web application and register a user.There are two way to generate the user authentication tables Use the new web application to automatically generate the tables USE MY_DATABASE_NAME EXEC sp_grantdbaccess EXEC sp_addrolemember = 'db_owner', = Replace the connection string in the Web.config file Create a user and add it to the database as db_owner.Create a new database in the database server.To connect an ASP.NET MVC web application to an external database This is sufficient for a small, proof of concept web application, but enterprise-grade applications should use a secure, backed up database. To create the ASP.NET web application with user authentication see Create an ASP.NET Web Application with user authentication When a new ASP.NET web application is created with the authentication set to Individual User Accounts, it automatically creates an SQL Express internal database in the App_Data directory of the application when you register the first user. ![]()
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