Hello friends! In this tutorial, we will update a database table through Visual Basic code. In the previous lessons, we created a contact database and added buttons for editing its records. Now we will let the application locate a particular record, change one of its values and save that change without asking the operator to type into the form. This is useful when information arrives from another part of a system. In the hotel-management example that inspired this lesson, room information reached a central computer wirelessly. The software needed to identify the correct room and update its stored information. The same basic idea applies to a contact import, an instrument reading or a status message received through a serial port. We will continue with the Visual Basic contact database and ...