private void DeleteBook_Load(object sender, EventArgs e)
{
foreach (var item in Book_Center.GetBooks())
{
cmbook.Items.Add(item.BookName);
}
}
private void btnCreateBook_Click(object sender, EventArgs e)
{
string Bookname = textBox2.Text.Trim();
int isbn = Convert.ToInt32(textBox3.Text);
textBox3.Text = isbn.ToString();
int price = Convert.ToInt32(textBox4.Text);
textBox4.Text = price.ToString();
string author = textBox5.Text.Trim();
//Bookname validation
if (Bookname == string.Empty)
{
MessageBox.Show("Bookname is empty", "Eror!", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
//Add Book
Book book = new Book();
book.BookName = Bookname;
book.Author = author;
book.ISBN = isbn;
book.Price = price;
Book_Center.AddBook(book);
ClearAddBookList();
//Update dataGridView to show new Book
dgv.DataSource = null;
dgv.DataSource = Book_Center.GetBooks();
}
private void UpdateBookDropdown()
{
cmbook.Items.Clear();
foreach (var item in Book_Center.GetBooks())
{
cmbook.Items.Add(item.BookName);
}
}
private void cmbook_SelectedIndexChanged(object sender, EventArgs e)
{
string selectedBookName = cmbook.Text;
bookToUpdate = Book_Center.GetByBookName(selectedBookName);
if (bookToUpdate != null)
{
textBox2.Text = bookToUpdate.BookName;
pnlEdit.Visible = true;
}
}
private void btnCreateBook_Click(object sender, EventArgs e)
{
DialogResult result = MessageBox.Show("Are you sure to delete student?", "Confirmation!", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
string selectBookName = cmbook.Text;
if (Book_Center.DeleteByBookName(selectBookName))
{
cmbook.Items.Clear();
foreach (var item in Book_Center.GetBooks())
{
cmbook.Items.Add(item.BookName);
}
}
else
{
MessageBox.Show("Not Found");
}
}
}
private void UpdateDataGridWhenFormClosed(object sender, EventArgs e)
{
dgv.DataSource = null;
dgv.DataSource = Book_Center.GetBooks();
}
