public DGetAlias(JFrame parent,String title,String alias){
  super(parent,title,Dialog.ModalityType.DOCUMENT_MODAL);
  initComponents(alias);
}

public DGetAlias ( JFrame parent , String title , String alias ) { super ( parent , title , Dialog . ModalityType . DOCUMENT_MODAL ) ; initComponents ( alias ) ; }
creates a new dgetalias dialog .
