Article PS040816144 BUG: Checkboxes and Combo Boxes with Null Values Problem Description When using combo boxes or checkboxes with AspGrid via the methods AttachCheckbox and AttachForeignTable or properties Array and VArray , the following errors may occur if the database records or value arrays contain NULL values: Invalid VArray element. Invalid Array element. A checkbox cannot be attached to this column. Field cannot be displayed as a checkbox. Field cannot be displayed in a combo box. Solution The errors above were caused by a bug in AspGrid. This bug has been fixed in AspGrid ver. 3.1.0.1 (Service Release). Download this service release from www.aspgrid.com/download.html. Created: 8/16/2004 2:35:39 PM Last Modified: 8/16/2004 2:35:39 PM Copyright © Persits Software, Inc. 1998 - 2019 For technical support, write to support@persits.com.