public static Boolean DeleteBook(int id)
{
if (BookDAO.DeleteBook(id))
{
return(true);
}
return(false);
}
protected void btnDelete_Click(object sender, EventArgs e)
{
BookDAO dao = new BookDAO();
dao.DeleteBook(inBookID.Value);
init();
}
protected void GridViewBook_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName.Equals("DeleteRow"))
{
int bookID = int.Parse(e.CommandArgument.ToString());
BookDAO.DeleteBook(bookID);
GridViewBook.DataBind();
}
}
/// <summary>
/// called when right click->Delete book is called
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void deleteBookToolStripMenuItem_Click(object sender, EventArgs e)
{
if (MessageBox.Show("Are you sure you want to delete these books?", "Delete?", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question) == DialogResult.Yes)
{
MainForm parent = (MainForm)this.ParentForm.MdiParent;
BookDAO dao = new BookDAO(parent.CurrentDatabase.FullName);
foreach (string id in this.SelectedIds)
{
dao.DeleteBook(id);
}
this.Refresh();
}
}
private void btnDeleteBook_Click(object sender, EventArgs e)
{
BookDAO book = new BookDAO();
string MaSach = txtMaSach.Text;
if (book.DeleteBook(MaSach))
{
MessageBox.Show("Xóa thành công");
ShowBook();
}
else
{
MessageBox.Show("Có lỗi khi xóa");
}
}
/// <summary>
/// Delete a book.
/// </summary>
/// <param name="isbn">string isbn</param>
/// <returns>int rowsAffected</returns>
/// <exception cref="ex">BusinnessException</exception>
/// <exception cref="ex">Exception</exception>
public int DeleteBook(string isbn)
{
try
{
_bookDAO = new BookDAO();
return(_bookDAO.DeleteBook(isbn));
}
catch (DataAccessLayerException ex)
{
//Error log simulate
Console.WriteLine(ex.ToString());
Console.WriteLine(ex.GetBaseException().ToString());
throw new BusinessLogicException(ex.Message);
}
catch (Exception ex)
{
//Error log simulate
Console.WriteLine(ex.ToString());
Console.WriteLine(ex.GetBaseException().ToString());
throw;
}
}
public void DeleteBook(int id)
{
dao.DeleteBook(this.GetBook(id));
}