Tuesday, April 15, 2003

ComboBox Data Binding Bug

Michael Hildner writes to report a bug with data binding when the combo box style is set to DropDownList:

Pretty sure this is a bug, but it may come in a couple flavors. See http://www.vbforums.com/showthread.php?s=&threadid=237548 for a little discussion.

A short description of the bug:

Setting the ComboBox’s DropDownStyle to DropDownList causes unexpected behavior. In my particular case, a data bound ComboBox does not update the DataSet. Works fine if you set the DropDownStyle to DropDown.

Steps to reproduce: Create a data bound ComboBox with it’s DropDownStyle set to DropDownList. Modify the data. Note the underlying DataSet does not get updated.

What happens: Nothing, unfortunately.

What should happen instead: The DataSet should get updated when a user changes the data in the ComboBox.

Any additional info such as code that demonstrates the problem, workarounds, etc.

Workaround: Manually through code, set the DataSet’s table/row/column to the Text property of the ComboBox.

Michael Hildner
Software Development Manager
Access Data (Magic) Inc.
www.sleuthsoftware.com
P:(505) 377-6757
F:(505) 377-3410

I've added this bug to the .NET Bugs Registry as #15.

   11:19 PM