private void buttonAdd_Click(object sender, EventArgs e)
{
BooksSet booksSet = new BooksSet();
booksSet.Name = textBoxName.Text;
booksSet.Year = textBoxYear.Text;
booksSet.Author = textBoxAuthor.Text;
Program.qwer.BooksSet.Add(booksSet);
Program.qwer.SaveChanges();
ShowBooks();
}
private void buttonEdit_Click(object sender, EventArgs e)
{
if (listViewBooks.SelectedItems.Count == 1)
{
BooksSet booksSet = listViewBooks.SelectedItems[0].Tag as BooksSet;
booksSet.Name = textBoxName.Text;
booksSet.Year = textBoxYear.Text;
booksSet.Author = textBoxAuthor.Text;
Program.qwer.SaveChanges();
ShowBooks();
}
}
private void listViewBooks_SelectedIndexChanged(object sender, EventArgs e)
{
if (listViewBooks.SelectedItems.Count == 1)
{
BooksSet booksSet = listViewBooks.SelectedItems[0].Tag as BooksSet;
textBoxName.Text = booksSet.Name;
textBoxAuthor.Text = booksSet.Author;
textBoxYear.Text = booksSet.Year;
}
else
{
textBoxName.Text = "";
textBoxAuthor.Text = "";
textBoxYear.Text = "";
}
}
private void buttonDel_Click(object sender, EventArgs e)
{
try
{
if (listViewBooks.SelectedItems.Count == 1)
{
BooksSet booksSet = listViewBooks.SelectedItems[0].Tag as BooksSet;
Program.qwer.BooksSet.Remove(booksSet);
Program.qwer.SaveChanges();
ShowBooks();
}
textBoxName.Text = "";
textBoxAuthor.Text = "";
textBoxYear.Text = "";
}
catch
{
MessageBox.Show("Невозможно удалить, запись используется!", "Ошибка!",
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}