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9.3

Using MOD 97 to find out if bankaccount is correct

Asked by marioway in Delphi Database

Hi, I want to find out if the account nummer is correct. Following code worked perfect, but on a certain number, it gave me an exception.
737-0250120-97

DIVISION OF 7370250120 by 97 : rest is 0  --> should I correct the code --> adding if ... is  0 then everything is fine ?

thx
Marioway
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procedure TAdminwijzig.MaskEdit2Exit(Sender: TObject);
var Nummer: Int64;
    Rest: Int64;
begin
 if trim(MaskEdit2.Text) = '' then begin
  end
  else
   if Length(Trim(MaskEdit2.Text)) < 12 then begin
     ShowMessage('Verkeerd rekeningnummer. Corrigeer.');
     MaskEdit2.SetFocus;
   end
 else
  begin
   Nummer:= StrToInt64(Leftstr(MaskEdit2.Text, 10));
   Rest:= (Nummer)MOD 97;
    if Rest = StrToInt64(RightStr(MaskEdit2.Text, 2)) then begin
     end
    else
     begin
      ShowMessage('Verkeerd rekeningnummer. Corrigeer.');
      MaskEdit2.SetFocus;
     end;
  end;
end;
[+][-]09/09/08 01:01 PM, ID: 22431601Accepted Solution

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About this solution

Zone: Delphi Database
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Solution Provided By: JosephGlosz
Participating Experts: 1
Solution Grade: A
 
 
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