private void DecrementBook(ListBookClass book)
{
Book decrementBook = _db.Books.Where(bk => bk.Id == book.Id).First();
decrementBook.Count = decrementBook.Count - book.Count;
_db.SaveChanges();
}
private void BtnRemoveList_Click(object sender, EventArgs e)
{
int count = (int)numericCountBook.Value;
ListBookClass list = lbOrderBook.SelectedItem as ListBookClass;
foreach (CMBBookClass item in cmbClientBook.Items)
{
try
{
if (item.Id == list.Id)
{
item.Count += (int)list.Count;
}
}
catch
{
MessageBox.Show("This list is empty", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);;
return;
}
}
int totalBook = int.Parse(lbCountBook.Text);
lbCountBook.Text = (totalBook - count).ToString();
lbOrderBook.Items.Remove(list);
}
private void BtnAddList_Click(object sender, EventArgs e)
{
CMBBookClass selectBook = cmbClientBook.SelectedItem as CMBBookClass;
CMBBookClass selectGenre = cmbClientGenre.SelectedItem as CMBBookClass;
// int selectedId = (cmbClientBook.SelectedItem as CMBBookClass).Id;
int count = (int)numericCountBook.Value;
if (!this.CheckInput())
{
MessageBox.Show("Please filled the input !!!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
foreach (var item in lbOrderBook.Items)
{
if (selectBook.Id == (item as ListBookClass).Id)
{
MessageBox.Show("This book added already", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
}
if (cmbClientGenre.Text == "" || cmbClientBook.Text == "" || numericCountBook.Value == 0)
{
MessageBox.Show("Please filled the input !!!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
ListBookClass list = new ListBookClass()
{
Id = selectBook.Id,
Name = selectBook.Name,
Price = selectBook.Price,
Genre = selectGenre.Name,
Count = count
};
lbOrderBook.Items.Add(list);
cmbClientBook.Text = "";
cmbClientGenre.Text = "";
int totalBook = int.Parse(lbCountBook.Text);
lbCountBook.Text = (totalBook + count).ToString();
selectBook.Count -= count;
txbBalanceCurrent.Text = (cmbClientGenre.SelectedItem as CMBBookClass).Count.ToString();
RefreshDGV();
}
