//UPDATE BOOK DETAILS FROM BOOK TABLE
private void BtnUpdate_Click(object sender, RoutedEventArgs e)
{
if (tbBName.Text != string.Empty && tbBAuthor.Text != string.Empty && tbBISBN.Text != string.Empty && tbBPrice.Text != string.Empty &&
tbBCopy.Text != string.Empty
)
{
try
{
BookBL bookBL = new BookBL();
string isDone = bookBL.UpdateBookBL(this.bookId, tbBName.Text, tbBAuthor.Text, tbBISBN.Text, double.Parse(tbBPrice.Text), int.Parse(tbBCopy.Text));
if (isDone == "true")
{
MessageBox.Show("Book updated successfuly..");
this.Close();
}
else
{
MessageBox.Show(isDone + " Try later..");
}
}
catch (FormatException)
{
MessageBox.Show("Invalid Book price or Book copy!!!,\nThey should not be a string, Try again..");
}
catch (Exception)
{
MessageBox.Show("Some unknown exception is occured!!!, Try again..");
}
}
else
{
MessageBox.Show("Enter the fields properly!!!, Every field is required..");
}
}
//REQUEST TO BORROW A BOOK FROM BORROW BOOK TABLE =>PL
private void btnRequestBook_Click(object sender, EventArgs e)
{
if (BookId > 0)
{
if (BookCopy == 0)
{
MessageBox.Show("Book is empty...");
}
else
{
BookCopy = BookCopy - 1;
BookBL bookBL = new BookBL();
UserRequestBL userRequestBL = new UserRequestBL();
bool isDone1 = bookBL.UpdateBookBL(BookId, BookName, BookAuthor, BookISBN, BookPrice, BookCopy);
bool isDone2 = userRequestBL.AddRequestBL(BookId, BookName, userId);
if (isDone1 == true && isDone2 == true)
{
MessageBox.Show("Requested successfully..");
}
else
{
MessageBox.Show("Try again..");
}
}
}
else
{
MessageBox.Show("Select a book to request...");
}
}
//REQUEST TO BORROW A BOOK FROM BORROW BOOK TABLE =>PL
private void BtnRequest_Click(object sender, RoutedEventArgs e)
{
try
{
Book book = dgBorrow.SelectedItem as Book;
if (book != null)
{
if (book.BookCopies == 0)
{
MessageBox.Show("Book is empty...");
}
else
{
int BookCopy = book.BookCopies - 1;
BookBL bookBL = new BookBL();
UserRequestBL userRequestBL = new UserRequestBL();
string isDone1 = bookBL.UpdateBookBL(book.BookId, book.BookName, book.BookAuthor, book.BookISBN, book.BookPrice, BookCopy);
bool isDone2 = userRequestBL.AddRequestBL(book.BookId, book.BookName, userId);
if (isDone1 == "true" && isDone2 == true)
{
MessageBox.Show("Requested successfully..");
InitializeUserBorrow();
}
else
{
MessageBox.Show("Try again..");
}
}
}
else
{
MessageBox.Show("Select a book to request...");
}
}
catch (Exception)
{
MessageBox.Show("Some unknown exception is occured!!!, Try again..");
}
}
//UPDATE BOOK DETAILS FROM BOOK TABLE
private void btnUpdate_Click(object sender, EventArgs e)
{
try
{
BookBL bookBL = new BookBL();
bool isDone = bookBL.UpdateBookBL(this.bookId, tbBName.Text, tbBAuthor.Text, tbBISBN.Text, double.Parse(tbBPrice.Text), int.Parse(tbBCopy.Text));
if (isDone)
{
MessageBox.Show("Book updated successfuly..");
}
else
{
MessageBox.Show("Try later..");
}
}
catch (Exception)
{
MessageBox.Show("Enter the fields properly...");
}
/*try
* {
* BookBL bookBL = new BookBL();
* bool isDone = bookBL.UpdateBookBL(this.bookId, tbBName.Text, tbBAuthor.Text, tbBISBN.Text, double.Parse(tbBPrice.Text), int.Parse(tbBCopy.Text));
* if (isDone)
* {
* MessageBox.Show("Book updated successfuly..");
* }
* else
* {
* MessageBox.Show("Try later..");
* }
* }
* catch (Exception)
* {
*
* MessageBox.Show("Enter the fields properly...");
* }*/
}