The Stored Procedure is an Operation that allows calling a procedure stored in a database.
To use this Component correctly, the procedure must be previously created in your database.
Discover how to use the Stored Procedure reading this article.
Working with templates allows you to make customization with number patterns. Suppose that you do not want to use the separator symbols for numbers according to the current locale, but you want to use custom character (unusual for separators). You just have to create a custom attribute template that...
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 Reconnect is an Operation Component used to modify the association between instances of two entities (the Source Entity and the Target Entity), connected by a predefined Relationship Role.
The Reconnect can manage single instances or sets of instances in order to connect or disconnect one in...
The Excel Style is a predefined style available in WebRatio Platform. This style allows to export the content of a modeled page in an Excel spreadsheet file. The generation process creates a JSP page containing XML code that is processed by a custom tag that invokes the Apache POI engine to render t...
Tomcat Application Server is able to manage by default all the ISO-8859-1 characters to encode URIs.
If your Application uses characters that does not belong to this character set, you have to configure the Application Server or your Application in order to correctly manage them.
If not config...
Let's suppose that you want to deploy your project directly on the remote host that will contain the Web Application. You have to configure the Deploy Configuration that allows you to obtain the final Web Application package in order to be able also to upload the package on the remote host. This art...
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...
WebRatio provides some properties that define the information reguarding the runtime of your web application. RTXConfig.properties file is the properties file where you can configure your preferences. The RTXConfig.properties file contains information that control your work directory where the appli...
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...
The Domain Model Utility Component is available starting from the WebRatio 5.1 version.
It's a hybrid unit, which means that it can be placed in every View (Site View, Module Definitions View, Service View).
It permits to retrieve information about entities and relationship of the Domain Model....
In the Domain Model you can define BLOB attributes to store files.
This type of attribute is objectified using an instance of a particular object implementing the RTXBLOBData Interface. This type of object gives access to some properties such as the name, lenght and extension of the wrapped BLOB....
When designing Web Projects, often the use of static values are required, such as values of conditions, passing of static values in Links Coupling, values in configuration Properties of the Units, etc. The problem of the usage of static values is that they may vary according to the environment in wh...
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 ...
Sometimes may happens that a user has to access to a content and depending on some parameters or actions that content has to change. By the alternative pages,it's possible to decide which content has to be shown depending on one or more conditions defined at run time.
Alternative element is usefu...