안냐세요. 하두 오랜만에 보는 거라 뭐가 뭔지 하나도 모르겠어요.
어케 수정해야 하는지좀 알켜주세요 네~~~.


   if edt_Name.Text = ''  then
     begin
        ShowMessage('성명을 입력하세요.');
        edt_Name.SetFocus;
     end
   else if edt_Jumin.Text = '' then
     begin
        ShowMessage('고객번호를 입력하세요.');
        edt_Jumin.SetFocus;
     end
   else if edt_Model.Text = ''  then
     begin
        ShowMessage('모델명을 입력하세요.');
        edt_Model.SetFocus;
     end
   else if (edt_Tel.Text = '') and (edt_Hptel.text = '') then
     begin
        ShowMessage('전화번호를 입력하세요.');
        edt_Tel.SetFocus;
     end
   else
      try
      with qry_bike do
      begin
        close;
        Sql.Clear;
        Sql.Add('SELECT * FROM bikemember');
        Sql.Add('WHERE (Jumin = :Pjumin)');
        ParamByName('Pjumin').AsString := edt_Jumin.Text;
        open;
        if eof then
          begin
            Close;
            Sql.Clear;
            Sql.Add(' INSERT INTO bikemember ');
            Sql.Add(' (Name, Model, tel, Hptel, Addr, Email, Jumin) ');
            Sql.Add(' VALUES');
            Sql.Add(' (:Pname, :Pmodel, :Ptel, :Phptel, :Paddr,' );
            Sql.Add('  :Pemail, :Pjumin) ');
          end
        else
          begin
            Close;
            Sql.Clear;
            Sql.Add('UPDATE bikemember');
            Sql.Add('SET Name = :Pname, Model = :Pmodel, tel = :Ptel,');
            Sql.Add('Hptel = :Phptel, Addr = :Paddr, Email = :Pemail,');
            Sql.Add('jumin = :Pjumin');
            Sql.Add('WHERE jumin = '''+ edt_jumin.Text +''' ' );
          end;
        ParamByName('Pname').AsString  := edt_Name.Text;
        ParamByName('Pmodel').AsString := edt_Model.Text;
        ParamByName('Ptel').AsString   := edt_Tel.Text;
        ParamByName('Phptel').AsString := edt_Hptel.Text;
        ParamByName('Paddr').AsString  := edt_Addr.Text;
        ParamByName('Pemail').AsString := edt_Email.Text;
        ParamByName('Pjumin').AsString := edt_jumin.Text;
        ExecSQL;
        Close;
        Sql.Clear;
        Sql.Add('commit');
        ExecSQL;
        ShowMessage('작업 완료.');
        edt_Date.SetFocus;
      end;
      Except
        begin
        ShowMessage('작업 실패.');
        end;
        edt_Date.SetFocus;

    end;
  end;