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Article #177

Re: TADODataSet and TADOTable

#177
From: TumurS
Date: Mon, 07 May 2007 05:59
48 lines
2750 bytes
I found where was the problem, but another one is raised.
My dataset has details TADOQuery object.
Disabling this query (i.e. I does not open it anyway) eliminates the 
problem.
The key column receives auto-incremented values normally.
But how to establish master-details schema in this case?


"TumurS" <spam_tumurbaatar@pixel.mn> wrote in message 
news:463eada1$1@newsgroups.borland.com...
>I replaced TADODataSet with TADOTable and nothing changed:
> the problem with 0 key still exists. What am I doing wrong?
>
>
> "TumurS" <spam_tumurbaatar@pixel.mn> wrote in message 
> news:463ea372$1@newsgroups.borland.com...
>> In my previous project there was no problem with working TADOTable 
>> object.
>> Inserting, editing, removing and etc worked well. Cursor location and 
>> type
>> are client and static. Auto-increment fields values retrieved correctly 
>> by engine
>> after inserting new record operation.
>> I dont' remember why I choosed TADODataSet for another project, but
>> now I encountered some problem. CommandType is cmdTable and cursor's
>> location/type are same as above. After inserting a new record it's 
>> auto-increment key field
>> has 0 value. I cannot do any further operation on it because the key is 
>> wrong.
>> So I added this line just after opening dataset:
>>
>>    (*dataset->Properties)[OleVariant(WideString("Update Resync"))]->Value 
>> = adResyncAll;
>>
>> (by the way, to refer to above constant I manually included <adodb_xp.h>. 
>> is it safe?)
>>
>> Now the new record disappears from local cache just after posting.  Any 
>> ideas?
>> Also, if my code retrieving all records from the server (i.e. no WHERE), 
>> is there
>> any difference between using table and query?
>>
>> P.S. MSSQL2K and BCB6
>>
>>
>
> 
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From: "TumurS" <spam_tumurbaatar@pixel.mn>
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Subject: Re: TADODataSet and TADOTable
Date: Mon, 7 May 2007 13:59:21 +0800
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