Esempio n. 1
0
        public void AddBookToDB(_Book book, string linkPhoto)
        {
            using (SqlConnection connection = new SqlConnection(ConnectionStrings.DBQuery))
            {
                using (SqlCommand cmd = new SqlCommand(ConnectionStrings.AddBook, connection))
                {
                    try
                    {
                        connection.Open();

                        cmd.Parameters.AddWithValue("@BookName", book.BookName);
                        cmd.Parameters.AddWithValue("@Authors", book.Authors);
                        cmd.Parameters.AddWithValue("@Total", book.Total);
                        cmd.Parameters.AddWithValue("@Available", book.Total);
                        cmd.Parameters.AddWithValue("@LinkPhoto", linkPhoto);

                        cmd.ExecuteNonQuery();
                    }
                    catch (Exception ex)
                    {
                        System.IO.StreamWriter writer = new System.IO.StreamWriter(Server.MapPath("~/App_Data/ErrorLogDataBase.txt"), true);
                        writer.WriteLine(string.Format("Date : " + DateTime.Now.ToString() + " Error : " + ex.Message));
                        writer.Close();
                    }
                }
            }
        }
        //Получить доступные книги
        public BooksContainer AllAvailable()
        {
            booksContainer = new BooksContainer();

            using (SqlConnection connection =
                       new SqlConnection(ConnectionStrings.DBQuery))
            {
                SqlCommand command = new SqlCommand(ConnectionStrings.BooksAvailable, connection);
                try
                {
                    connection.Open();
                    SqlDataReader reader = command.ExecuteReader();
                    while (reader.Read())
                    {
                        book           = new _Book();
                        book.BookName  = reader[0].ToString();
                        book.Authors   = reader[1].ToString();
                        book.Total     = int.Parse(reader[2].ToString());
                        book.Available = int.Parse(reader[3].ToString());
                        book.LinkPhoto = reader[5].ToString();
                        booksContainer.Add(book);
                    }
                    reader.Close();
                    return(booksContainer);
                }
                catch (Exception ex)
                {
                    System.IO.StreamWriter writer = new System.IO.StreamWriter(Server.MapPath("~/App_Data/ErrorLogDataBase.txt"), true);
                    writer.WriteLine(string.Format("Date : " + DateTime.Now.ToString() + " Error : " + ex.Message));
                    writer.Close();
                    return(null);
                }
            }
        }
        //считываем из базы наименования книг
        public BooksContainer BooksReading()
        {
            booksContainer = new BooksContainer();

            using (SqlConnection connection =
                       new SqlConnection(ConnectionStrings.DBQuery))
            {
                SqlCommand command = new SqlCommand(ConnectionStrings.BooksQuery, connection);
                try
                {
                    connection.Open();
                    SqlDataReader reader = command.ExecuteReader();
                    while (reader.Read())
                    {
                        book           = new _Book();
                        book.BookName  = reader[0].ToString();
                        book.Authors   = reader[1].ToString();
                        book.Total     = int.Parse(reader[2].ToString());
                        book.Available = int.Parse(reader[3].ToString());
                        book.Id        = int.Parse(reader[4].ToString());
                        book.LinkPhoto = reader[5].ToString();
                        booksContainer.Add(book);
                    }
                    reader.Close();
                    return(booksContainer);
                }
                catch (Exception ex)
                {
                    //throw new Exception(ex.Message);
                    Console.WriteLine(ex.Message);
                    return(null);
                }
            }
        }
Esempio n. 4
0
 public ActionResult Upload(HttpPostedFileBase upload, _Book book)
 {
     if (upload != null)
     {
         try
         {
             string fileName  = System.IO.Path.GetFileName(upload.FileName);
             string linkPhoto = string.Format("~/Resources/Photo/" + fileName);
             upload.SaveAs(Server.MapPath(linkPhoto));
             AddBookToDB(book, linkPhoto);
         }
         catch (Exception ex)
         {
             System.IO.StreamWriter writer = new System.IO.StreamWriter(Server.MapPath("~/App_Data/ErrorLogDataBase.txt"), true);
             writer.WriteLine(string.Format("Date : " + DateTime.Now.ToString() + " Error : " + ex.Message));
             writer.Close();
         }
     }
     return(RedirectToAction("IndexAdm"));
 }