ABB Interview Questions and Answers

Filters are used to manipulate incoming and outgoing requests. Custom filters can be added and middleware can be configured to handle them.

• Filters are used to modify or validate incoming and outgoing requests in ASP.NET Core.

• Custom filters can be added by creating a class that implements IFilterMetadata interface.

• Middleware can be configured to handle filters using the UseFilter extension method.

• Filters can be used for authentication, caching, logging, and more.

• Filters can be...read more

Globalization is the process of designing and developing applications that can be used in multiple languages and cultures.

• Use resource files to store text in different languages

• Use Unicode encoding to support different character sets

• Use culture-specific formatting for dates, times, and numbers

• Test the application with different languages and cultures to ensure proper functionality

Automated jobs can be created using scheduling tools or by writing custom code to run at specific intervals.

• Use scheduling tools like Windows Task Scheduler or Cron to run jobs at specific intervals

• Write custom code using libraries like Quartz.NET or Hangfire to schedule and run jobs

• Jobs can perform tasks like data backups, sending emails, or running reports

EF Core supports transactions using the DbContext class.

• Create a new instance of DbContextTransaction using BeginTransaction method of DbContext.

• Perform database operations within the transaction using SaveChanges method of DbContext.

• Commit the transaction using Commit method of DbContextTransaction or rollback using Rollback method.

• Example: using (var transaction = context.Database.BeginTransaction()) { ... }

Use try-catch block to handle exceptions in JavaScript.

• Wrap the code that may throw an exception inside a try block.

• Catch the exception using catch block and handle it appropriately.

• Use finally block to execute code that should run regardless of whether an exception was thrown or not.

• Throw custom exceptions using throw keyword.

• Use console.log() to log the error message for debugging purposes.