//For adding the book in the User's Book Shelf
private void Button_AddBook(object sender, RoutedEventArgs e)
{
if (!(String.IsNullOrEmpty(isbnTxt.Text) || String.IsNullOrEmpty(bookTitleTxt.Text) ||
String.IsNullOrEmpty(authorTxt.Text)))
{
dynamoDbOperation.AddBook(username, isbnTxt.Text, bookTitleTxt.Text, authorTxt.Text);
isbnTxt.Text = "";
bookTitleTxt.Text = "";
authorTxt.Text = "";
BooksIntoDataGrid();
}
else
{
MessageBox.Show("Enter the book information", "Error !!!!");
}
}
