Vladika has really answered this question, but I will provide some more information.
You need to select the correct record in your database table first. To do this, you can use TDataset.Locate
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The parallel port is a very commonly known port, it was widely used to connect a printer to the PC, if you look at the back of your computer, for those who don't have newer computers, there will be a port with 25 pins and a small print…
This Article will show you how to validate number with TEdit control,
What's the TEdit control?
TEdit is a standard Windows edit control on a form, it allows to user to write, read and copy/paste single line of text.
This Micro Tutorial will teach you how to censor certain areas of your screen. The example in this video will show a little boy's face being blurred.
This will be demonstrated using Adobe Premiere Pro CS6.