Hi everybody,

QT: 4.1.1
Compiler: MINGW 4.1
OS: WINXP

I am trying to connect to my local sql server, and i was not able:
Qt Code: 
  1. QSqlDatabase db = QSqlDatabase::addDatabase("QODBC");
  2.         db.setHostName("localhost");
  3.         db.setDatabaseName("DRIVER={SQL Server};SERVER=localhost;DATABASE=inventar;UID=rapha;PWD=raphaelf");
  4.         db.setUserName("rapha");
  5.         db.setPassword("raphaelf");
  6.         if(!db.open())
  7.         {
  8. 	        QMessageBox::information(this, "Application name",
  9.     "not connected");
  10.     return false;
  11.  
  12.         }
  13.         else
  14.         QMessageBox::information(this, "Application name",
  15.     "connected");
  16.         return true;
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Postgres connection works perfect:
Qt Code: 
  1. QSqlDatabase db = QSqlDatabase::addDatabase("QODBC");
  2.         db.setHostName("localhost");
  3.         db.setDatabaseName("DRIVER={PostgreSQL};SERVER=localhost;DATABASE=inventar;UID=rapha;PWD=raphaelf");
  4.         db.setUserName("rapha");
  5.         db.setPassword("raphaelf");
  6.         if(!db.open())
  7.         {
  8. 	        QMessageBox::information(this, "Application name",
  9.     "not connected");
  10.     return false;
  11.  
  12.         }
  13.         else
  14.         QMessageBox::information(this, "Application name",
  15.     "connected");
  16.         return true;
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What need i to connect to my sql server?