TSDBQuery.Eof
| TSDBQuery = class (TObject) | Interface de TSDBQuery | Exemples de TSDBQuery |
Indique si on a attend la fin d'un jeu de données renvoyé par une requête SQL
Syntaxe
function Eof(): Boolean
Exemples
uses SDB;
function UserExistsInRemoteDB(login : String) : Boolean;
begin
var db:=TSDBQuery.CreateFromDataSource('RemoteDB');
db.SQL:="select ID from USERS where LOGIN=:LOGIN";
db.StringParam['LOGIN']:=login;
db.Open;
Result:=not db.Eof;
db.Close;
end;
Print(UserExistsInRemoteDB('toto'));
function UserExistsInRemoteDB(login : String) : Boolean;
begin
var db:=TSDBQuery.CreateFromDataSource('RemoteDB');
db.SQL:="select ID from USERS where LOGIN=:LOGIN";
db.StringParam['LOGIN']:=login;
db.Open;
Result:=not db.Eof;
db.Close;
end;
Print(UserExistsInRemoteDB('toto'));