// GIVE BOOK TO USER
private void giveBookButton_Click(object sender, EventArgs e)
{
string userName = usersComboBox1.Text;
string Title = itemsComboBox.Text;
string categorie = categoriesComboBox.Text.ToLower();
string borrowDate = DateTime.Now.ToString("yyyy-MM-dd");
string returnDate = DateTime.Now.AddDays(14).ToString("yyyy-MM-dd");
DBItems.Initialize();
DBItems.addBorrowing(categorie, Title, userName, borrowDate, returnDate);
this.borrowingsTableAdapter.Fill(libraryDataSet.borrowings);
borrowDataGridView.DataSource = libraryDataSet.Tables[1];
}
