private static void UpdateTitle(SqlParameter bookId)
{
string newBkTitle = InputHandling.ReadString("New book Title: ");
SqlParameter newBookTitle = new SqlParameter {
Value = newBkTitle, SqlDbType = SqlDbType.VarChar, ParameterName = "newTitle"
};
string updateTitleString = "Update BOOK SET Title = @newTitle WHERE BookId = @bookId";
SqlCommand updateTitleCommand = new SqlCommand(updateTitleString, dbBooksConn);
updateTitleCommand.Parameters.Add(bookId);
updateTitleCommand.Parameters.Add(newBookTitle);
try
{
dbBooksConn.Open();
updateTitleCommand.ExecuteNonQuery();
}
catch
{
OutputHandling.Error("Invalid Book Id");
}
finally
{
dbBooksConn.Close();
}
}
static void Main(string[] args)
{
int pubId = InputHandling.ReadValue("Publisher Id: ");
string pubName = InputHandling.ReadString("Publisher Name: ");
PublisherCrud.InsertPublisher(pubId, pubName);
Console.ReadKey();
}
public static void ReadPublisher()
{
int pubId = InputHandling.ReadValue("New publisher id: ");
string pubName = InputHandling.ReadString("Publisher Name: ");
BooksCrud.InsertPublisher(pubId, pubName);
//OutputHandling.Question("Do you want to insert another Publisher? Y / N");
//bool isRunning = InputHandling.QuestionOptions();
//if (isRunning)
// ReadPublisher();
}
static void Main(string[] args)
{
string url = InputHandling.ReadString("Url to download from: ");
Downloader.Download(url);
OutputHandling.Question("Do you want to download another file? Y / N");
if (InputHandling.QuestionOptions())
{
Main(args);
}
}
static void Main(string[] args)
{
string url = InputHandling.ReadString("Url to download from: ");
Downloader.Download(url);
}
static void Main(string[] args)
{
string filePath = InputHandling.ReadString("Path to file to read: ");
FileProcessing.ReadFileContents(filePath);
}
public static void MainMenu()
{
Console.WriteLine();
OutputHandling.Message("1 - Add a book");
OutputHandling.Message("2 - Print book info");
OutputHandling.Message("3 - Update book info");
OutputHandling.Message("4 - Delete book from database");
OutputHandling.Message("5 - Exit");
ConsoleKeyInfo cki = Console.ReadKey(true);
if (cki.Key.Equals(ConsoleKey.D1) || cki.Key.Equals(ConsoleKey.NumPad1))
{
Console.Clear();
string title = InputHandling.ReadString("Book Title: ");
int pId = InputHandling.ReadValue("PublisherId: ");
int year = InputHandling.ReadValue("Year: ");
int price = InputHandling.ReadValue("Price: ");
BooksCrud.InsertBook(title, pId, year, price);
MainMenu();
}
else if (cki.Key.Equals(ConsoleKey.D2) || cki.Key.Equals(ConsoleKey.NumPad2))
{
Console.Clear();
int bId = InputHandling.ReadValue("Book Id:");
SqlParameter bookId = new SqlParameter {
Value = bId, SqlDbType = SqlDbType.Int, ParameterName = "bookId"
};
EnumerableRowCollection <DataRow> bookInfo = BooksCrud.ReadBook(bookId);
foreach (DataRow row in bookInfo)
{
Console.WriteLine($"Id: {row[0]}");
Console.WriteLine($"Title: {row[1]}");
Console.WriteLine($"Publisher: {row[2]}");
Console.WriteLine($"Year: {row[3]}");
Console.WriteLine($"Price: {row[4]}");
}
MainMenu();
}
else if (cki.Key.Equals(ConsoleKey.D3) || cki.Key.Equals(ConsoleKey.NumPad3))
{
Console.Clear();
int bId = InputHandling.ReadValue("Book Id:");
UpdateMenu(bId);
MainMenu();
}
else if (cki.Key.Equals(ConsoleKey.D4) || cki.Key.Equals(ConsoleKey.NumPad4))
{
int bId = InputHandling.ReadValue("Book Id:");
SqlParameter bookId = new SqlParameter {
Value = bId, SqlDbType = SqlDbType.Int, ParameterName = "bookId"
};
BooksCrud.DeleteBook(bookId);
MainMenu();
}
else if (cki.Key.Equals(ConsoleKey.D5) || cki.Key.Equals(ConsoleKey.NumPad5))
{
ProgramFlowHandling.Exit("Program will now exit...");
dbBooksConn.Dispose();
}
else
{
MainMenu();
}
}