One of the typical problems developers face when using the HTML DataWindow
(HTML DW) is that there's no SetRowFocusIndicator() method to allow users to
see which row is the current one. This can confuse the user and lead to
errors. For example, without a current row indicator users may not know which
row will be deleted when they press a Delete button. This article describes a
simple and effective technique for addressing this problem.
The Solution
Figure 1 shows an HTML DW with a current row indicator pointing at the second
row.
The key to the proposed solution is that it avoids the need for a round-trip
to the server. It simply uses the RowFocusChanged event to set the text in a
Pointer computed column to "<<<" for the current row and to a blank (" ") for
all other rows.
Changes to the DataWindow Object
As a first step, open your DataWindow object in the DataWindow... (more)
One of the typical problems developers face when using the HTML DataWindow
(HTML DW) is that there's no SetRowFocusIndicator() method to allow users to
see which row is the current one. This can confuse the user and lead to
errors. For example, without a current row indicator users may not know which
row will be deleted when they press a Delete button. This article describes a
simple and effective technique for addressing this problem.
The Solution
Figure 1 shows an HTML DW with a current row indicator pointing at the second
row.
The key to the proposed solution is that it avoids... (more)
Ido Millet is an associate professor of MIS at Penn State Erie. His professional experience includes systems analysis and project management for large-scale information systems, consulting, and development of information systems. Over the last six years he has taught Advanced Applications Development courses using PowerBuilder.
Bob Evans
Alex Henthorn-Iwane
Mark van Rijmenam
Dan Ushman
Randy Roberts
Ross Brouse
Swarup Biswas
