Select statement not working

Hello experts,

I am new to the Delphi/ so please bear with me. I an using Delphi 2006 and have a webfom with datagrid in it.  I am able to display data in the datagrid from a table but when I add a text box and try to display  only the records where table1.Field1 = TextBox.Text, I still get all the rows in the table.  Can u please let me know how I can fix the code below:

procedure TWebForm1.Button1_Click(sender: System.Object; e: System.EventArgs);
  EMPNo: String;
  command: BdpCommand;
  I : integer;

  bdpDataAdapter1.Active := False;
  command := BdpCommand.Create;
  command.Connection := bdpConnection1;
  command.CommandText := 'Select * FROM Table1  ' +
    'WHERE Field1 = ''' + textbox1.text+ '''';
     command.Executereader ;
    on E: Exception do
  bdpDataAdapter1.Active := True;
  dataGrid1.DataBind // refresh data

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you are never conecting the dataadapter to the command you are running

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