With every user action in the browser that results in a call to a Valence instance running on your IBM i Power Server, a wealth of data about the user’s session is sent to the integrated Apache Server. This information can be accessed by your back-end RPG programs to potentially alter how they respond to...Read More
The Nitro Query app included with Valence is designed to quickly take large volumes of IBM i data and make it easily accessible to your users in the form of a dashboard or query. Management and company executives in particular love the intuitive nature of being able to click through charts, graphs or grids, and optionally download the data to...Read More
AutoCode apps generated with Valence 4.2 use Ext JS 4.2 — the fact that these are the same version numbers iwherever possible it is recommended that you just regenerate the app using the new autocode that comes with valence 5. However, if you’ve made enhancements to AutoCode apps generated in Valence 4.2 then regeneration from scratch isn’t...Read More
One of the most powerful widgets available in Nitro Query is the Edit Grid. Traditionally queries are read-only, but with an Edit Grid you can actually allow users to update records in a single-file data source — right from within the query itself! In some cases you may find you can simply create a query for data entry in lieu of coding an...Read More
In order to provide data to more intricate UI elements in Ext JS such as trees or collapsible grids with nested lists, you will often find it necessary for your RPG programs to create JSON strings containing arrays within arrays. While the Valence RPG Toolkit includes plenty of vvOut functions for sending JSON data that originates as an RPG variable, a data structure, a simple...Read More
One common trait we see at companies small and large is that users have a seemingly insatiable appetite for queries, dashboards and Excel downloads. Fortunately, the Nitro Query app included with Valence provides a great mechanism for quickly whipping out these kinds of apps without any programming. With Valence 5, in addition to completely...Read More
When working with dates on IBM i you will often need to deal with null date values of 0001-01-01. Depending on the display format you’ve chosen, in a Valence UI designed with Ext JS a null date field will be rendered like this: When the user clicks on the date selector trigger here, a calendar pops up...Read More
The VVOUT spreadsheet procedures were enhanced in Valence 4.2 to support the generation of Excel spreadsheets in .xlsx format. You can see a practical example of these procedures in action by clicking on the download button on any of the entities in the Portal Admin app (the corresponding backend RPG code is located in various VVADM*** source members)....Read More
You already know that installing Valence on IBM i and using it internally within your corporate network is fast and easy. Your company’s employees should also be able to access your Valence instances through a standard VPN connection when they are located outside of your company’s physical network. But what about when you need to provide secure access...Read More
If there’s one common theme among IBM i power users, it’s that they all love playing with spreadsheets! Fortunately, Valence makes it easy to cater to this love. RPG developers simply feed an SQL statement to vvOut_execSQLtoSS() or vvOut_execSQLtoCSV(), and the results are automatically downloaded into an Excel-compatible spreadsheet file. But what about going the other direction? What if users could...Read More
