Using Delphi to develop multi-layer applications (7) Simple kbmmw multi-layer Database Access Service

I have just written several multi-layer examples. I was going to write some other complicated examples. Many people asked about the database access method. In this case, I would like to write it first.

Database Access process and method. Kbmmw supports many database access methods and controls, as mentioned earlier during installation. Since Delphi is already after D7

It is no longer recommended to use its traditional database method BDE, especially in Delphi xe2 because it supports win64 and does not support BDE anymore. For convenience of demonstration, this article

Select Firebird for free as the background database. Firebird is a very short and refined relational database that supports common functions such as stored procedures and triggers.

Interested can be downloaded in http://www.firebirdsql.org. Access Firebird data. This article uses the ibdac produced by devart. If this is not available, you can

Use ibexpress provided by Delphi instead.

Continue to open our previous example, and add the following controls in from

 

Configure the database to be accessed in the ibcconnect control.