Handler Stack Overflow?!?!?!

[tomb]

Please help!

I have a handler in a class that handles when a column in a table is
modified, as such:

dtWhatif = dsOp.Tables("whatif")
AddHandler dtWhatif.ColumnChanged, New
DataColumnChangeEventHandler(AddressOf Whatif_Changed)

When testing this, I got an error: An unhandled exception of type
'System.StackOverflowException' occurred in system.dll

So I put a debug statement in to see why the stack is overflowing. This
handler was called 4082 times! All I did was change the value in one
cell of a datagrid!

Why? Why?

Tom

[Slow Learner]

What are you doing in the handler?


"tomb" <to**@technetcenter.com> wrote in message
news:5p***************@bignews6.bellsouth.net...
Please help!

I have a handler in a class that handles when a column in a table is
modified, as such:

dtWhatif = dsOp.Tables("whatif")
AddHandler dtWhatif.ColumnChanged, New
DataColumnChangeEventHandler(AddressOf Whatif_Changed)

When testing this, I got an error: An unhandled exception of type
'System.StackOverflowException' occurred in system.dll

So I put a debug statement in to see why the stack is overflowing. This
handler was called 4082 times! All I did was change the value in one cell
of a datagrid!

Why? Why?

Tom

[Tom B]

At the moment I'm not doing anything in the handler except calling an
empty function. I just wanted to test the handler. Obviously it
doesn't work as expected, which was to be called once.

Tom
*** Sent via Developersdex http://www.developersdex.com ***

[Jay B. Harlow [MVP - Outlook]]

Tomb,
Where is your AddHandler statement?

It sounds like you are attempting to add a handler for every row in your
DataTable or something similar.

You only need to use AddHandler once, I normally use it when I create or
"acquire" the DataTable.

Can you post a complete but short (15 to 20 lines) of code that demonstrates
the problem.

Hope this helps
Jay

"tomb" <to**@technetcenter.com> wrote in message
news:5p***************@bignews6.bellsouth.net...
| Please help!
|
| I have a handler in a class that handles when a column in a table is
| modified, as such:
|
| dtWhatif = dsOp.Tables("whatif")
| AddHandler dtWhatif.ColumnChanged, New
| DataColumnChangeEventHandler(AddressOf Whatif_Changed)
|
| When testing this, I got an error: An unhandled exception of type
| 'System.StackOverflowException' occurred in system.dll
|
| So I put a debug statement in to see why the stack is overflowing. This
| handler was called 4082 times! All I did was change the value in one
| cell of a datagrid!
|
| Why? Why?
|
| Tom
|
|