When you get to a new town it is likely that you want to look at a map of the town. In the same manner we start with providing an overview of the main parts of WebRatio Platform. WebRatio Platform is built on Eclipse. Even though you could be familiar with Eclipse it is worth watching this brief tut...
The "java.lang.ClassFormatError: Invalid method Code length" error, is an error that you can get generating the layout of your Web Project, it means that you used a template in the Web Project that is too large to be compiled.
Read this article to discover more about how to handle and prevent this ...
The ability to show a list of elements and the details of each listed element is one of the most common patterns in Web applications, the so-called "Master and Details" pattern. This lesson shows you how to build several variants of this pattern in WebRatio Platform, and illustrates related basic "I...
Learn how to speed up your productivity by letting WebRatio Platform create physical elements on the database starting from your Domain Model, or letting it extract the Domain Model starting from an existing database structure.
Forget about writing SQL by hand! WebRatio Platform helps you generate ...
When you are working on a new Web application, you will need to implement a set of common features. In the previous lessons you learned how to model these features in IFML, concentrating on the user interaction.
These features cover how to publish and maintain information, as well as the login ...
When starting WebRatio Platform, the first thing the user must do is to choose the workspace. Knowing the workspace and which options are available is useful when organizing the projects stored on the local drive. Effectively organizing projects in workspaces helps save time.
Additional rea...
In a Web application, you often need to manage information that is shown to the user. Managing the information means to create, update, or delete information. With WebRatio Platform you can easily model an administration section so that the Web application user can manage the application data.
In t...
The Math is an Utility Component designed to parse and evaluate mathematical expressions. A mathematical expression is composed by variables and operators and can be either statically defined at modeling time or dynamically provided through an input parameter at run-time. The Math replaces the varia...
When you are working on a Web application you have to consider both the user interaction and the application behavior executed when the user triggers an action. The application behavior can be any kind of business logic you may need to express.
WebRatio Platform provides you with a set of componen...
In the lesson dedicated to the Domain Model Overview, you learned about the Entity-Relationship model and its main concepts: Entity, Attribute and Relationship.
The representation of the Domain Model in WebRatio Platform is quite similar to the Entity-Relationship notation ad it is based on the sam...
The UnsupportedClassVersionError can occurr in a Web Project that uses custom components, such as custom validation rules, servlets or listeners.
All these components are developed using a different project (e.g. a Java project) in which you have to compile the Java classes and create a jar file...
In a Web application, you often need to manage information that is shown to the user. Managing the information means to create, update, or delete information. With WebRatio Platform you can easily model an administration section so that the Web Application user can manage the application data.
In t...
WebRatio gives at your disposal a predefined set of view components and operations that let you model most of the features of your Web application. Sometimes it happens that WebRatio does not include a specific business logic that you need. In this case you can address the problem creating custom co...
Learn how to enrich the Domain Model with calculated information, derived from the materialized data existing in the Domain Model itself. This process is called "derivation", since it creates redundant information that can become handy when defining IFML models. Derivation can be applied by using va...
This is the first lesson that explains the Domain Model in WebRatio Platform.
In this lesson, we introduce the main concepts related to the Domain Model, including a deep analysis of the notation adopted - Entity Relationship (E-R). The following lessons show some detailed content and will explain ...