private void buttonAdd_Click(object sender, EventArgs e)
{
BooksSet book = new BooksSet();
book.Autor = textBoxAutor.Text;
book.Name = textBoxName.Text;
book.Price = textBoxPrice.Text;
Program.CGDb.BooksSet.Add(book);
Program.CGDb.SaveChanges();
ShowBook();
}
private void buttonEdit_Click(object sender, EventArgs e)
{
if (listViewBooks.SelectedItems.Count == 1)
{
BooksSet book = listViewBooks.SelectedItems[0].Tag as BooksSet;
book.Autor = textBoxAutor.Text;
book.Name = textBoxName.Text;
book.Price = textBoxPrice.Text;
Program.CGDb.SaveChanges();
ShowBook();
}
}
private void listViewBooks_SelectedIndexChanged(object sender, EventArgs e)
{
if (listViewBooks.SelectedItems.Count == 1)
{
BooksSet book = listViewBooks.SelectedItems[0].Tag as BooksSet;
textBoxAutor.Text = book.Autor;
textBoxName.Text = book.Name;
textBoxPrice.Text = book.Price;
}
else
{
textBoxAutor.Text = "";
textBoxName.Text = "";
textBoxPrice.Text = "";
}
}
private void buttonDel_Click(object sender, EventArgs e)
{
try
{
if (listViewBooks.SelectedItems.Count == 1)
{
BooksSet book = listViewBooks.SelectedItems[0].Tag as BooksSet;
Program.CGDb.BooksSet.Remove(book);
Program.CGDb.SaveChanges();
ShowBook();
}
textBoxAutor.Text = "";
textBoxName.Text = "";
textBoxPrice.Text = "";
}
catch
{
MessageBox.Show("Невозможно удалить, эта запись используется!", "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}