Vince Fabro

In my January article in PBDJ (Vol. 7, issue 1) I covered the basics of the Web DataWindow and we ended the article with the home page. We'll now move on to the employee page. The Employee Page The employee page is going to use two DataWindows: one that displays some department details, another that displays a simple list of employees for a given department. For the department detail DataWin-dow create a tabular DataWindow that retrieves the dept_id, dept_name and dept_head_id from the department table. Specify a retrieval argument for dept_id and use that in the where clause (try department 100 when retrieving). Zero out the tab order for all columns so they are uneditable. Save the DataWindow as "d_department_detail". For the employee DataWindow create a grid DataWind... (more)

Debugging DataWindows - Live!

You stumble on a bug in your application. In order to troubleshoot it you need to see the raw data inside your DataWindow but the columns you need aren't visible. ... You open a window in your application, and even though you don't change any of its data it still prompts you to save when closing. What has changed? ... A drop-down DataWindow isn't displaying the right values at runtime, b... (more)

Debugging DataWindows - Live!

You stumble on a bug in your application. In order to troubleshoot it you need to see the raw data inside your DataWindow but the columns you need aren't visible. ... You open a window in your application, and even though you don't change any of its data it still prompts you to save when closing. What has changed? ... A drop-down DataWindow isn't displaying the right values at runtime, b... (more)

Window Applications- Web DataWindows Made Easy

A lot of hoopla has surrounded the Web DataWindow, and it's actually well deserved. Not so long ago PowerBuilder critics claimed that PB would never make it to the Web because it was designed mainly for building client/server applications. I had my own doubts back then, but with the Web DataWindow much of the power of PowerBuilder is now available on the Web. This allows PB developers to... (more)

Web DataWindows Made Easy

In my January article in PBDJ (Vol. 7, issue 1) I covered the basics of the Web DataWindow and we ended the article with the home page. We'll now move on to the employee page. The Employee Page The employee page is going to use two DataWindows: one that displays some department details, another that displays a simple list of employees for a given department. For the department detail Data... (more)