如何在运行时指定login\password在C#中通过EF6连接Oracle？

using System;
using System.Data.Entity;

namespace OracleEF6Demo
{
    public class OracleDbContext : DbContext
    {
        public OracleDbContext(string connectionString) : base(connectionString)
        {
        }

        protected override void OnModelCreating(DbModelBuilder modelBuilder)
        {
            modelBuilder.HasDefaultSchema("YOUR_SCHEMA_NAME");
            base.OnModelCreating(modelBuilder);
        }

        public DbSet<YourEntity> YourEntities { get; set; }
    }

    public class YourEntity
    {
        public int Id { get; set; }
        public string Name { get; set; }
    }

    class Program
    {
        static void Main(string[] args)
        {
            string connectionString = "Data Source=YOUR_ORACLE_CONNECTION_STRING;User Id=YOUR_USERNAME;Password=YOUR_PASSWORD;";

            using (var context = new OracleDbContext(connectionString))
            {
                // 在这里进行数据库操作
                // 例如：var entities = context.YourEntities.ToList();
            }

            Console.WriteLine("Press any key to exit...");
            Console.ReadKey();
        }
    }
}