public void DisplayCountries() { richTextBox1.Text = ""; db = new modelEntities(); List<Country> list = db.Countries.ToList(); foreach (var thing in list) { richTextBox1.Text += "Code: " + thing.Code + "\r\n"; richTextBox1.Text += "Name: " + thing.Name + "\r\n"; richTextBox1.Text += "Continent: " + thing.Continent + "\r\n"; if (thing.SurfaceArea == null) { richTextBox1.Text += "Surface Area: N/A \r\n"; } else { richTextBox1.Text += "Surface Area: " + thing.SurfaceArea + "\r\n"; } if (thing.Population == null) { richTextBox1.Text += "Population: N/A \r\n"; } else { richTextBox1.Text += "Population: " + thing.Population + "\r\n"; } if (thing.LifeExpectancy == null) { richTextBox1.Text += "Life Expectancy: N/A \r\n"; } else { richTextBox1.Text += "Life Expectancy: " + thing.LifeExpectancy + "\r\n"; } if (thing.GNP == null) { richTextBox1.Text += "GNP: N/A \r\n"; } else { richTextBox1.Text += "GNP: " + thing.GNP + "\r\n"; } if (thing.HeadOfState == null) { richTextBox1.Text += "Head of State: N/A \r\n"; } else { richTextBox1.Text += "Head of State: " + thing.HeadOfState + "\r\n"; } richTextBox1.Text += "-------------------------------------------------------------------------------------------------------------------------------------------------------------------"; if (thing.ID != list[list.Count - 1].ID) { richTextBox1.Text += "\r\n"; } } }