Re: "Index 1 is not non-negative and below total rows count"

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#14

From: Brigitte Spatz
Date: Fri, 12 Jan 2007 07:51

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Brigitte Spatz wrote:
> Marc Rohloff [TeamB] wrote:
>> On Wed, 10 Jan 2007 14:49:23 +0100, Brigitte Spatz wrote:
>>
>>>      bm.AddNew; //bm = BindingManager
>>>      with dv.Item[bm.Position].Row do
>>>
>>> Inspecting shows bm.Position to be correct. What could be wrong here?
>>
>> What are the values of bm.Position and dv.Count?
> 
> Immediately after bm.AddNew bm.Position is 1 and so is dv.count, but 
> only in that one form, in all others it's 2 (or in general bm.Position + 
> 1).
> 
>>
>> Have you tried calling dv.AddNew instead?
>>
> Yes. I get "Object reference not set to an instance of an object" 
> instead (in the one form, not in the others). 

Disregard this, it was coming from elsewhere.

And while there's a new
> entry in the grid, it doesn't have an ID, which is supposed to come from 
> the database (an identity field) (in all forms).
Furthermore, the row at position bm.position in the grid is being 
overwritten rather than the new record filled, even though I used
with dv.Item[dv.Count - 1].Row do

Brigitte

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Date: Fri, 12 Jan 2007 08:51:25 +0100
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Subject: Re: "Index 1 is not non-negative and below total rows count"
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