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how to make dynamic adoquery?

Posted on 2002-04-28
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Last Modified: 2010-04-04
i am using adoconnection with access db
i have this code but does not work correct
to retrieve data from table
an any one help me?


procedure TForm1.Button3Click(Sender: TObject);
var l:integer;s:string;
begin
ADOQuery1.Close;
s:=edit1.Text;
ADOQuery1.SQL.Add('select Name, College from tabstd where Name=:s');
ADOQuery1.open;
end;
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Question by:hass80
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2 Comments
 

Accepted Solution

by:
ZH-windmill earned 50 total points
ID: 6974592
following...
procedure TForm1.Button3Click(Sender: TObject);
var l:integer;s:string;
begin
ADOQuery1.Close;
s:=edit1.Text;
ADOQuery1.SQL.Clear; //1
ADOQuery1.SQL.Add('select Name, College from tabstd where Name=:s');
ADOQuery1.ParamybyName('s').value := ;//2
//or you may user the CreateParams function.
ADOQuery1.open;
end;

//i don't try it..
 
0
 
LVL 17

Expert Comment

by:geobul
ID: 6985759
Hi,

procedure TForm1.Button3Click(Sender: TObject);
begin
  ADOQuery1.Close;
  ADOQuery1.SQL.Clear;
  ADOQuery1.SQL.Add('select Name, College from tabstd where Name=:s');
  ADOQuery1.Parameters.ParamByName('s').value := edit1.Text;
  ADOQuery1.Open;
end;

Regadrs, Geo
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