//For adding a snaphot inside the selected book
private void Button_AddSnapshot(object sender, RoutedEventArgs e)
{
var selectedBook = bookShelfDataGrid.SelectedItem;
UserBook selectedItem = selectedBook as UserBook;
string selectedIsbn;
string lastPageNumber = lastPageTxt.Text;
try
{
if (!(selectedItem == null || lastPageNumber == null))
{
selectedIsbn = selectedItem.Isbn;
dynamoDbOperation.AddSnaphot(username, selectedIsbn, int.Parse(lastPageNumber));
lastPageTxt.Text = "";
BooksIntoDataGrid();
}
else
{
MessageBox.Show("Select a Book and enter the Last Read Page Number", "Error !!!!");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error !!!!");
}
}