How to implement a custom database Metadata provider Read this article and get points!

by Michela Frigerio
14,890 views Published on Oct 24, 2011
Applies to: All versions

WebRatio support all the databases that are supported by Hibernate. Nevertheless, the list of the database types that you have at disposal when creating a new database connection does not contain the full list, but it proposes the most used. Therefore WebRatio gives you the chance to integrate a new...

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How to use Hibernate in a Custom Component Read this article and get points!

by Ombretta Malinverno
12,005 views Published on Jan 12, 2018
Applies to: 7.2 or higher

Implementing a custom component sometimes means querying the database in the component service class. This article wants to give you an introduction on how to retrieve the hibernate session in the component service and how to use Hibernate efficiently to query the database.

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How to solve the UnsupportedClassVersionError error Read this article and get points!

by Michela Frigerio
1,370 views Published on Oct 24, 2011
Applies to: All versions

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...

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How to define Custom Components Read this article and get points!

by Ombretta Malinverno
8,137 views Published on Oct 24, 2017
Applies to: 7.2 or higher

IFML, the modeling language of WebRatio Platform, is built on very few, highly composable concepts, which can be used to assemble complex Web applications for publishing or updating content. The key aspect of IFML is the capability of defining a Web Model consisting of pages, view components, and op...

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How to debug the code of a custom unit inside the Web application Read this article and get points!

by Laura Cigardi
8,742 views Published on Oct 24, 2011
Applies to: All versions

Thanks to the WebRatio integration in the Eclipse environment, it's possible to easily debug a Web application without leaving the tool. Usually, debugging a WebRatio generated web application means testing the custom units that have been developed for your specific Web project. The Eclipse Debug...

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How to define Custom Validation Rules Read this article and get points!

by Ombretta Malinverno
3,110 views Published on May 02, 2018
Applies to: 7.2 or higher

Validation is used to verify that the data inserted into a form by the user complies with the application domain’s requirements. WebRatio Platform includes several predefined types of Validation Rules that cover the most common validation cases. But sometimes, depending on the scope of the Web appli...

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How to retrieve information about online users Read this article and get points!

by Michela Frigerio
10,344 views Published on Oct 24, 2011
Applies to: All versions

It’s a very common practice to display the number of active users of a web application. WebRatio gives you the possibility to easily get the number of users which are currently navigating your Web application and add this feature to your Web application. The solution proposed in this article ...

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