The differences and pros and cons between PowerBuilder 9, 10, and 11.

PowerBuilder is an Integrated Development Environment (IDE) used for building enterprise-level applications. Here are the differences and pros and cons of versions 9, 10, and 11 of PowerBuilder.

Difference:

1. Introduced Web service support, allowing developers to access Web services through PowerBuilder applications.
2. Supports Web windows, allowing for the creation of applications with a browser-style interface.

Advantages:

1. Providing a stable and user-friendly development environment for developing and maintaining large-scale enterprise applications.
2. Powerful data access capabilities, enabling seamless interaction with a variety of databases.
3. Support object-oriented programming, which allows developers to better organize and manage code.

Disadvantages:

1. Lack of support for modern technology and platforms, such as mobile app development and cloud computing.
2. Lacking the latest user interface and interactive design features.

Difference: PowerBuilder 10

1. PowerBuilder.NET has been introduced, allowing developers to write PowerBuilder applications using C# or VB.NET.
2. Support ASP.NET and web service integration, allowing developers to build web-based applications.

Advantages:

1. Providing an updated development environment that supports a wider array of programming languages and technologies.
2. Support integration with the .NET framework and other modern platforms.

Drawbacks:

1. For developers familiar with traditional PowerBuilder development, it may take some time and effort to learn and adapt to new development methods.
2. Lacking some of the latest features and characteristics.

PowerBuilder 11：
Difference:

1. Introduced WPF (Windows Presentation Foundation) support enables developers to create more attractive and interactive user interfaces.
2. Provided additional data access functionality and performance enhancements.

Advantages:

1. Enhanced the ability in user interface and interaction design, enabling the creation of more engaging applications.
2. Providing additional performance optimizations and data access features to make applications more efficient and reliable.

Negative aspects:

1. Learning and adapting to new development methods may take some time and effort.
2. Lack of comprehensive support for some of the latest technologies and platforms.