Question

I use ADODB in Delphi 7 and, for UPDATE queries, I get the number of modified records with TADOConnection Execute procedure “recordsAffected” variable.
like this :

 MyConnexion.Execute(sReq, iResReq, [eoExecuteNoRecords]);

Where iResReq is the modified records number.

Now I want to use parameterized queries with parameterized SQL like :

SQL.Add('UPDATE TABLE SET NAME="TEST" WHERE NAME=:PARAM);
Parameters.ParamByName('PARAM').text:='Smith';

but I don’t really know how to find the modified record count.
In addition to my question do you know a good tuto about ADODB parameterized queries ?

Answer 1

Using a TADOCommand you can do something like this.

var
    RecordsAffected: Integer;
begin
    ADOCommand1.CommandText := 'UPDATE TABLE SET NAME="TEST" WHERE NAME=:PARAM';
    ADOCommand1.Parameters.ParamByName('PARAM').Value:='Smith';
    ADOCommand1.Execute(RecordsAffected, EmptyParam);

It is also possible to do with a TADOQuery if you use ExecSQL (as mentioned by TLama in comment).