public static bool AddBookToDataBase(Book bookToAdd)
{
try
{
using (StreamWriter writer = new StreamWriter(FileOperations.FilePath, true))
{
writer.WriteLine(bookToAdd);
}
return true;
}
catch (Exception)
{
return false;
}
}
protected void addButton_Click(object sender, EventArgs e)
{
var bookToAdd = new Book(
this.titleTextBox.Text,
this.authorTextBox.Text,
double.Parse(this.priceTextBox.Text));
if (FileOperations.AddBookToDataBase(bookToAdd))
{
this.messageLable.Text = "Successfully added the book to the library";
this.titleTextBox.Text = string.Empty;
this.authorTextBox.Text = string.Empty;
this.priceTextBox.Text = string.Empty;
}
else
{
this.messageLable.ForeColor = System.Drawing.Color.Red;
this.messageLable.Text = "An error occured while adding the book";
}
}
public static List<Book> ReadBooksFromDataBase()
{
var listOfBooks = new List<Book>();
using (var reader = new StreamReader(FileOperations.FilePath))
{
var currentBookLine = reader.ReadLine();
while (currentBookLine != null)
{
var currentBook = currentBookLine.Split('|');
var book = new Book(
currentBook[0].Trim(),
currentBook[1].Trim(),
double.Parse(currentBook[2].Trim()));
listOfBooks.Add(book);
currentBookLine = reader.ReadLine();
}
}
return listOfBooks;
}
protected void addBookBtn_Click(object sender, EventArgs e)
{
try
{
Book bookToAdd = new Book();
bookToAdd.Title = titleTxtBox.Text;
bookToAdd.Author = authorTxtBox.Text;
bookToAdd.Price = double.Parse(priceTxtBox.Text);
bookToAdd.Genre = genreTxtBox.Text;
using (StreamWriter writer = new StreamWriter(ConfigurationManager.AppSettings["FilePath"], true))
{
writer.WriteLine(bookToAdd);
}
resultLabel.Visible = true;
resultLabel.Text = "Success";
}
catch (Exception)
{
resultLabel.Visible = true;
resultLabel.Text = "Something went wrong!";
}
}