GridView and Page.IsValid

The GridView seems to check Page.IsValid before handling an Update
(reflected C#):

private void HandleUpdate(GridViewRow row, int rowIndex, bool
causesValidation) {
        if ((!causesValidation || (this.Page == null)) ||
this.Page.IsValid) {
                // ... do update to datasource ... //
        }
}

But not on Delete. It calls Page.Validate() in bool
HandleEvent(EventArgs e, bool causesValidation, string validationGroup),
but only actually checks Page.IsValid in HandleUpdate(). Personally, I
think it should be checking IsValid on both Delete and Edit commands at
a minimum....

This seems like a huge oversight to me - is everyone hooking a handler
to GridView.RowDeleting and setting e.Cancel = !IsValid? 

--Mark Brackett

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