public Book GetBookInfo(int id)
{
SqlConnection connection = new SqlConnection(connectionstring);
string query = "SELECT * FROM Book WHERE Id='"+id+"'";
SqlCommand command = new SqlCommand(query, connection);
connection.Open();
SqlDataReader reader = command.ExecuteReader();
Book book = new Book();
while (reader.Read())
{
book.Id = int.Parse(reader["Id"].ToString());
book.Title = reader["Title"].ToString();
book.AuthorName = reader["Author"].ToString();
book.Publisher = reader["Publisher"].ToString();
}
reader.Close();
connection.Close();
return book;
}
public List<Book> GetrInfo(int id)
{
List<Book>books=new List<Book>();
SqlConnection connection = new SqlConnection(connectionstring);
string query = "SELECT Author,Publisher FROM BOOK WHERE Id='"+id+"'";
SqlCommand command = new SqlCommand(query, connection);
connection.Open();
SqlDataReader reader = command.ExecuteReader();
while (reader.Read())
{
Book book = new Book();
book.AuthorName = reader["Author"].ToString();
book.Publisher = reader["Publisher"].ToString();
books.Add(book);
}
reader.Close();
connection.Close();
return books;
}
protected void bookTitleDropDownList_OnSelectedIndexChanged(object sender, EventArgs e)
{
book = bookManager.GetBookDetails(int.Parse(bookTitleDropDownList.SelectedValue.ToString()));
authorNameTextBox.Text = book.AuthorName;
borrowPublisherNameTextBox.Text = book.Publisher;
borrowPublisherNameTextBox.Text = book.Publisher;
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
LoadDataInDropDownList();
book = bookManager.GetBookDetails(int.Parse(bookTitleDropDownList.SelectedValue.ToString()));
authorNameTextBox.Text = book.AuthorName;
borrowPublisherNameTextBox.Text = book.Publisher;
}
}
public List<Book> GetLoadBorrowedBooks(int num)
{
List<Book> books=new List<Book>();
SqlConnection connection = new SqlConnection(connectionstring);
string query = "SELECT b.Title FROM Book as b JOIN Borrow_Return as br on b.Id=br.Book_Id join Member as m on m.Number=br.Member_Id WHERE m.Number='" + num + "' ";
connection.Open();
SqlCommand command = new SqlCommand(query, connection);
SqlDataReader reader = command.ExecuteReader();
while (reader.Read())
{
Book book=new Book();
book.Title = reader["Title"].ToString();
books.Add(book);
}
return books;
}
public List<Book> GetBookName()
{
List<Book> books=new List<Book>();
SqlConnection connection = new SqlConnection(connectionstring);
string query = "SELECT * FROM Book";
SqlCommand command = new SqlCommand(query, connection);
connection.Open();
SqlDataReader reader = command.ExecuteReader();
while (reader.Read())
{
Book book =new Book();
book.Id = int.Parse(reader["Id"].ToString());
book.Title = reader["Title"].ToString();
book.AuthorName = reader["Author"].ToString();
book.Publisher = reader["Publisher"].ToString();
books.Add(book);
}
reader.Close();
connection.Close();
return books;
}
public int Save(Book book)
{
SqlConnection connection = new SqlConnection(connectionstring);
string query = "INSERT INTO Book VALUES('" + book.Title + "','" + book.AuthorName + "','"+book.Publisher+"')";
SqlCommand command = new SqlCommand(query, connection);
connection.Open();
int rowsAffected = command.ExecuteNonQuery();
connection.Close();
return rowsAffected;
}
