>>Now we put code in RowDeleting (my colleague's attempts) and the RowDeleted event is never fired as well as this code doesn't seem to do the job. Can you help a bit here?
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>I don't think RowDeleted fires when you're manually using your own dataset instead of the SqlDataSource.
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>Calling Delete on the row just flags it for deletion.

So, the row is supposed to be deleted automatically, correct?

You have to call AcceptChanges() on the DataTable.

Can you please elaborate on that? Our delete should not be a delete, it should set Deleted flag on the table.

Also, I wouldn't call Session.Clear() - you can just update the session var via: Session["dts"] = dts;

Good point. Bad coding practice here.

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>Session.Clear() blows away any other session variables which is usually a bad idea.
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>You may also really want to look into using parameters for your SQL update clause - viewstate can be hacked.

you mean run even this simple UpdateCommand with parameter, correct? In fact, I have a little SP for this as well, so we may call it instead with parameter.