private void buttonEdit_Click(object sender, EventArgs e)
{
if (listViewBookPlace.SelectedItems.Count == 1)
{
BookPlaceSet bookPlace = listViewBookPlace.SelectedItems[0].Tag as BookPlaceSet;
bookPlace.IDBook = Convert.ToInt32(comboBoxBook.SelectedItem.ToString().Split('.')[0]);
bookPlace.IDReader = Convert.ToInt32(comboBoxReader.SelectedItem.ToString().Split('.')[0]);
bookPlace.IDLibrarian = Convert.ToInt32(comboBoxLibrarian.SelectedItem.ToString().Split('.')[0]);
Program.qwer.SaveChanges();
ShowBookPlace();
}
}
private void listViewBookPlace_SelectedIndexChanged(object sender, EventArgs e)
{
if (listViewBookPlace.SelectedItems.Count == 1)
{
BookPlaceSet bookPlace = listViewBookPlace.SelectedItems[0].Tag as BookPlaceSet;
comboBoxBook.SelectedIndex = comboBoxBook.FindString(bookPlace.IDBook.ToString());
comboBoxReader.SelectedIndex = comboBoxReader.FindString(bookPlace.IDReader.ToString());
comboBoxLibrarian.SelectedIndex = comboBoxLibrarian.FindString(bookPlace.IDLibrarian.ToString());
}
else
{
comboBoxBook.SelectedItem = null;
comboBoxReader.SelectedItem = null;
comboBoxLibrarian.SelectedItem = null;
}
}
private void buttonAdd_Click(object sender, EventArgs e)
{
if (comboBoxBook.SelectedItem != null &&
comboBoxReader.SelectedItem != null &&
comboBoxLibrarian.SelectedItem != null)
{
BookPlaceSet bookPlace = new BookPlaceSet();
bookPlace.IDBook = Convert.ToInt32(comboBoxBook.SelectedItem.ToString().Split('.')[0]);
bookPlace.IDReader = Convert.ToInt32(comboBoxReader.SelectedItem.ToString().Split('.')[0]);
bookPlace.IDLibrarian = Convert.ToInt32(comboBoxLibrarian.SelectedItem.ToString().Split('.')[0]);
Program.qwer.BookPlaceSet.Add(bookPlace);
Program.qwer.SaveChanges();
ShowBookPlace();
}
else
{
MessageBox.Show("Данные не выбраны", "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
private void buttonDel_Click(object sender, EventArgs e)
{
try
{
if (listViewBookPlace.SelectedItems.Count == 1)
{
BookPlaceSet bookPlace = listViewBookPlace.SelectedItems[0].Tag as BookPlaceSet;
Program.qwer.BookPlaceSet.Remove(bookPlace);
Program.qwer.SaveChanges();
ShowBookPlace();
}
comboBoxBook.SelectedItem = null;
comboBoxReader.SelectedItem = null;
comboBoxLibrarian.SelectedItem = null;
}
catch
{
MessageBox.Show("Невозможно удалить, эта запись используется", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}