How to create lookup fields in Delphi? How to create calculated fields in Delphi using ADO Tables and MS Access database? How to change the type of resulting field, how to format the display and more. Full source code and step by step animated tutorial.

This example shows how to make a simple ftp client, how to download a file from internet. Also shows how to set the ftp server with the progress bar, how to set ftp address, username, password, initial ftp folder, file etc. Full source code and project files.

Login page with user name and password linked to database. After successful login a new form appears that allows data from tcombobox, radiogroup and checkbox to be inserted. Also allows editing of username and password. Full Delphi source code.

How to obtain a computer's IP address by code in Delphi? Not third party components. List both your local and your real IP address. Full Delphi source code on purchase.