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...recover the ID of the last inserted row in a table (ADO)?
Autor: peppa
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Tip Rating (40):  
     


// Insert a new Record...
var
  
LastID: Integer;
//  Query: TADOQuery;
//  oder
//  Query: TQuery;
begin
  
Query.Active := False;
  Query.SQL.Clear;
  Query.SQL.Append('INSERT INTO Table (Spalte) VALUES (Value)');
  Query.ExecSQL;
  LastID := GetLastID(Query);
end;

// get the ID of the last inserted row
function GetLastID(var Query: TADOQuery {or TQuery}): Integer;
begin
  
result := -1;
  try
    
Query.SQL.clear;
    Query.SQL.Add('SELECT @@IDENTITY');
    Query.Active := True;
    Query.First;
    result := Query.Fields.Fields[0].AsInteger;
  finally
    
Query.Active := False;
    Query.SQL.clear;
  end;
end;


 

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