In this section we want to create a general middleware for error management in the program. This means that when an error occurs anywhere in the program, we can find the error with this middleware and show the appropriate message to the user. The way this middleware w ....

Sometimes it is necessary to check the value of one of the fields when entering information in a form. For example, when registering a user on the site, we want to check the user name or phone number that is not available in the database, and if there is a record in the datab ....

Autofac is a tool for managing interdependence between classes that simplifies application development as it grows in size and complexity. Asp.Net Core, unlike the classic Asp.Net, supports built-in Dependency Injection ....