private void btnAdd_Click(object sender, EventArgs e) { int numberOfNotes = DBCalls.countNoOfNotes(); Console.Write(numberOfNotes); if (String.IsNullOrEmpty(Convert.ToString(numberOfNotes)) || String.IsNullOrWhiteSpace(Convert.ToString(numberOfNotes))) { numberOfNotes = 0; } DBCalls.createNote(numberOfNotes, tbTitle.Text, tbContent.Text); }