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7.4

How can I cancel a cell edit from the datagridview dataerror subroutine?

Asked by sl8rz in Microsoft Visual Basic.Net, .NET, Microsoft Visual C#.Net

Tags: DataGridView VB

I have a DataGridView which is populated by use of a bindingList (of T) (the T being a custom generic object).  The user is allowed to edit certain columns.  The underlying custom-object does the verification and if the verification fails an exception is thrown (by the custom object) which is caught by the DataGridView's 'DataError' subroutine (handles the dataerror event).  The issue with these edits is this: when the DataError receives the error I can't cancel the edit.  The command "e.cancel" doesn't roll back the value in the cell (like it does in the cellValueChanged routine).  How can I do this (preferably without creating a global variable to track every cell value the user enters)?
[+][-]08/31/09 02:56 PM, ID: 25226897Expert Comment

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[+][-]08/31/09 04:11 PM, ID: 25227349Accepted Solution

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Zones: Microsoft Visual Basic.Net, .NET, Microsoft Visual C#.Net
Tags: DataGridView VB
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Solution Provided By: sl8rz
Participating Experts: 1
Solution Grade: A
 
[+][-]09/01/09 06:39 AM, ID: 25231434Author Comment

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