Re: Field cannot be modified error

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#434

From: Adriano Grandi
Date: Thu, 02 Mar 2006 16:47

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"siraj" <siraj.sm@omnisens.ch> ha scritto nel messaggio 
news:4406a9d4@newsgroups.borland.com...
> Hi,
> I am now using C++ builder 2006 and MS acccess 2003.
> I have simple table Table1 in Access with the following fields. This table 
> is linked to other table.
> 1) id  autonumber
> 2) Name String
>
> I have to add nearly 10000 rows to the table.
> I have to also insert into the 'id' field.
>
> I am using TADOQuery to insert.
> If I use,
> INSERT INTO Table1(id,Name) VALUES(2,"sms")
> ExecSQL()
> there is no problem.
>
> If I use,
> ADOQuery1->Insert();
> ADOQuery1->FieldValues["id"]=2 ;
> ADOQuery1->FieldValues["Name"]="sms";
> ADOQuery1->Post();
> I get the error "Field 'id' cannot be modified".
>
> Why?
>
> Insert into the dataset is faster compared to using ExecSQL() 10000 times.
>
> Please help.
>
> Regards,
> Siraj
>

You must use:
ADOQuery1->Insert();
ADOQuery1->FieldByName("id")->AsInteger = 2 ;
ADOQuery1->FieldByName("Name")->AsString = "sms";
ADOQuery1->Post();

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Subject: Re: Field cannot be modified error
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