CODE EXAMPLE FOR CSHARP

how to integrate a c# and angular 9

<connectionStrings>
  <add name="OktaConnectionString"
    connectionString="Data Source=(LocalDb)MSSQLLocalDB;Initial Catalog=JoggingTracker;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|WeightTracker.mdf"
    providerName="System.Data.SqlClient"
  />
</connectionStrings>