public static void Main(string[] args)
        {


            string cadenaConexion = "Data Source = localhost;Initial Catalog = CLIENTE ; Integrated Security = true;";

            try
            {
                using (SqlConnection cn = new SqlConnection(datosConexion))
                {
                    //Paso 2 - Abrir la conexión
                    con.Open();



                    string SENTENCIA = "INSERT INTO TABLA (ID, NOMBRE)VALUES (1,'ENRIQUE');";

                    SqlCommand cmd = new SqlCommand(SENTENCIA, cn);
                    try
                    {
                        cmd.ExecuteNonQuery();
                    }
                    catch (SqlException e)
                    {
                        Console.WriteLine(e.Message);
                    }
                }
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
            Console.ReadKey();
        }