README.md

Create an app for storing and editing users. You must store the following data about the user: username, password, address, phone number, admin attribute (logical variable).

When adding a new user, make sure that the username with this name is available. To protect your password, use the getHashCode function on the string.

The list of users is displayed in the ListBox.

To use connected mode ADO.Net. To create a connection string, use the SqlConnectionStringBuilder object.

When you double-click an entry containing a user, a second form opens for editing. Implement adding and deleting users.

Adding users is implemented in a new window.

Also implement the output of all registered users with administrator filtering.