A label doesn't have a OnChange event so you may want to replace the label with a TEdit (you can adjust the properties to make it look like a label) and then make the OnChange event on that do the...

Remember Delphi is strongly typed so you need to type cast your calculations as below:


Edit1.Text := StrToInt (Label1.Caption) * StrToInt(Edit2.Text);


You should probably put this in the...

You'll need to post your code with code tags so we can see what you are trying to do.

I normally use file_get_contents for reading file data in PHP and PHPMailer for sending emails. Your file...

Just read your thread,
One thing you need to check is that you have an active developer account with Code Gear which keeps your license and activation information.

The best is to contact or email...

One "language" that always seems to get missed out when someone asks which language they should learn is SQL which is needed regardless of which development environment a programmer finds himself in....