private void findBySurnameButton_Click(object sender, EventArgs e)
{
var librarianRepository = new LibrarianRepository();
if (string.IsNullOrEmpty(surnameTextBox.Text))
{
SetDataGridView();
return;
}
List <Librarian> librarians = librarianRepository.FindBySurname(surnameTextBox.Text);
if (librarians == null)
{
dataGridView1.DataSource = "No readers found";
return;
}
dataGridView1.DataSource = librarians.OrderBy(b => b.Id)
.Select(b => new
{
b.Id,
b.Name,
b.Surname,
b.Patronymic,
b.DateOfBirth,
b.TelephoneNumber
}).ToList();;
}
