Пример #1
0
        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();
        }
Пример #2
0
 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();
     }
 }
Пример #3
0
 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 = "";
     }
 }
Пример #4
0
 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);
     }
 }