private void OnAddJournalClick(object sender, RoutedEventArgs e)
{
Librarian currentUser = (Librarian)SDM.CurrentUser;
int price = Convert.ToInt32(PriceTB.Text);
int quantity = Convert.ToInt32(CopiesTB.Text);
currentUser.AddJournal
(
TitleTB.Text,
AutorsTB.Text,
PublishedInTB.Text,
IssueTitleTB.Text,
IssueEditorTB.Text,
price,
quantity,
TagsTB.Text
);
_previousPage.UpdateTable();
Close();
}