private void btnDelete_Click(object sender, EventArgs e)
{
if (this.dgvBookStatus.SelectedCells.Count > 0)
{
int selectedrowindex = this.dgvBookStatus.SelectedCells[0].RowIndex;
DataGridViewRow selectedRow = this.dgvBookStatus.Rows[selectedrowindex];
BookStatusBLL bookStatusBLL = new BookStatusBLL(Convert.ToInt32(selectedRow.Cells["clmnId"].Value), selectedRow.Cells["clmnName"].Value.ToString());
DialogResult result = MessageBox.Show("Do you want to delete book status: " + selectedRow.Cells["clmnName"].Value + "?", "Warning", MessageBoxButtons.OKCancel);
switch (result)
{
case DialogResult.Cancel:
break;
case DialogResult.OK:
if (BookStatusDAL.getBookStatusItem(bookStatusBLL) != null)
{
MessageBox.Show("Can't delete! Please delete all book has status " + selectedRow.Cells["clmnName"].Value + " before delete this status!", "Error");
break;
}
else
{
BookStatusDAL.deleteBookStatus(bookStatusBLL);
MessageBox.Show("Delete complete!", "Success");
this.LoadDataToGridView();
break;
}
}
}
}
private void LoadDataToDataGridView()
{
this.dgvBook.Rows.Clear();
List <BookBLL> bookList = new List <BookBLL>();
bookList = BookDAL.getBookList(this._bookTitleBLL);
foreach (BookBLL row in bookList)
{
BookTitleBLL bookTitleBLL = new BookTitleBLL();
bookTitleBLL = BookTitleDAL.getBookTitleItem(row.BookTitleId);
BookStatusBLL bookStatusBLL = new BookStatusBLL();
bookStatusBLL = BookStatusDAL.getBookStatusItem(row.BookStatusId);
this.dgvBook.Rows.Add(row.BookId, bookTitleBLL.Name, bookTitleBLL.BookTitleId, bookStatusBLL.Name, bookStatusBLL.BookStatusId);
}
}