protected void btn_newBook_Click(object sender, EventArgs e)
{
LibraryDAL dal = new LibraryDAL();
BookModel model = new BookModel();
model.BookName = txt_Bookname.Text;
model.BookAuthor = txt_BookAuthor.Text;
model.BookTitle = txt_BookTitle.Text;
model.BookPrice = Convert.ToInt32(txt_BookPrice.Text);
model.NoOfPages = Convert.ToInt32(txt_NoOfPages.Text);
model.BookImage = "~/Images/" + Guid.NewGuid() + ".jpg";
file_BookImage.SaveAs(Server.MapPath(model.BookImage));
int id = dal.AddBooks(model);
lbl_msg.Text = "Book Added :" + id;
}