public void updatePC() { String query = null; Console.Clear(); Console.WriteLine("--- Moderate posts or comments ---"); Console.WriteLine("Select what you want to moderate: \n1)Post\n2)Comment"); String choice = Console.ReadLine(); if (choice.Equals("1")) { Console.WriteLine("Id post: "); String id = Console.ReadLine(); Console.WriteLine("New text: "); String text = Console.ReadLine(); query = "USE DB_Test;UPDATE posts SET body = '" + text + "' WHERE id = " + Int32.Parse(id); } else if (choice.Equals("2")) { Console.WriteLine("Id comment: "); String id = Console.ReadLine(); Console.WriteLine("New text: "); String text = Console.ReadLine(); query = "USE DB_Test;UPDATE comments SET body = '" + text + "' WHERE id = " + Int32.Parse(id); } Conn newConn = new Conn(); SqlConnection con = newConn.fun(); con.Open(); try { SqlCommand command = con.CreateCommand(); command.CommandText = query; int rows = command.ExecuteNonQuery(); con.Close(); if (rows > 0) { Console.WriteLine("Udated! " + rows.ToString() + " rows updated!"); } else { Console.WriteLine("Ops! " + rows.ToString() + " rows updated!"); } Console.WriteLine("Press [Enter] to continue: "); String enter = Console.ReadLine(); } catch (Exception ex) { if (ex is SqlException) { Console.WriteLine(ex); } else { Console.WriteLine("Errore!"); } } }