Rahul Jain

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In this paper we'll be discussing the migration of existing EAServer applications to EAServer 6. Because of architecture changes in EAServer, an explicit migration is needed; whereas with previous versions you could simply upgrade an existing installation or install and sync the entities. EAServer 6 comes with a migration utility to help in migrating existing EAS 5.x entities (components, connection caches, etc.). Migration Utility To start the utility, go to %DJC_HOME%\bin directory and double-click on migrate.bat. %DJC_HOME% = EAS 6 installation directory When the migration utility starts (Figure 1), you'll see the message "Ready for Migration" in the message pane. The migration utility will be able to scan your EAServer 5.x repository and locate all entities that can be migrated over to EAServer 6. We'll be doing the following tasks for migration: Connecting to t... (more)

Dynamic Web Page Content

Dropdown filtering is one of the most requested features in web applications and one of the seemingly more difficult tasks. There are many ways to provide dropdown filtering including retrieving all possible values and filtering on the client side with JavaScript as well as making round trips to the server to reload the page with a filtered dropdown. Here we will explore a more sophisticated approach that uses the XMLHttpRequest DOM object to retrieve the data from the server using XML and repopulate the dropdown without refreshing the page. Our main purpose is to show you how t... (more)