You can bind values using the command object.
Set the command type to text then add your parameters similar to how you would call a stored procedure.
The SQL would looks something like "SELECT NAME FROM EMP WHERE EMPID=:PEMPNO"
Also, if ADO (and ADO.Net) will bind the values for you, this can be seen in your code when monitoring using Quests SQL Monitor. Although it is always better to do it yourself since the execution will be quicker and the values will be bound the first time.
From: [EMAIL PROTECTED] Reply-To: [EMAIL PROTECTED] To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]> Subject: RE: Using bind variables with ADO in VB Date: Fri, 06 Jun 2003 09:04:00 -0800
Yet another reason not to use VB or anything like it.
http://www.amazon.com/exec/obidos/ASIN/020177061X
"Craig Healey" <[EMAIL PROTECTED]> Sent by: [EMAIL PROTECTED] 06/06/2003 08:59 AM Please respond to ORACLE-L
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
cc:
Subject: RE: Using bind variables with ADO in VB
I don't THINK so. To quote further "the parameters are not bound except in the case of stored procedures...In the case of normal SQL, ADO replaces the placeholder with Parameter.Value, so there is no binding on the server side." The way I read that, you can't use bind variables in VB using ADO.
Craig Healey
> -----Original Message----- > From: Stefan Jahnke [mailto:[EMAIL PROTECTED] > Sent: 06 June 2003 14:55 > To: Multiple recipients of list ORACLE-L > Subject: AW: Using bind variables with ADO in VB > > > Hi > > Question: Are you sure that the binding you're referring to (your book > excerpt) doesn't mean "early" bindig versus "late" binding in > VB using ADO ? > > Stefan > > > -----Original Message----- > Sent: Friday, June 06, 2003 12:35 PM > To: Multiple recipients of list ORACLE-L > > > Having read that bind variables will solve all our problems ;-) I've > tried to get the developers to use them. There response being: how? I > don't know much VB and they don't know what a bind variable is. So I > read with interest J Prem's question. Now knowing what to look for, I > read further, and found that "ADO also does not bind (compile > to p-code) > parameterized statements in Oracle" (VB Oracle 8 by Dov Trietsch) 8-( > Is it true? > Are bind variables that big a deal in VB code anyway? > We have a lot of badly written code, so are we better off > re-writing the > code without bothering about bind variables at the moment? > Am I worrying about nothing? > And no, it doesn't scale particularly well! > > Regards > > Craig Healey >
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