public class Toka
    {
        private MyContext db = new MyContext();

        public string a { set; get; }

        public void Create()
        {
            db.Tokas.Add(this);
        }

        ~Toka()
        {
            db.Dispose();
        }

 protected MyContext db = new MyContext ();

        protected override void Dispose(bool disposing)
        {
            db.Dispose();
            base.Dispose(disposing);
        }

------解决方案--------------------

探讨


db应该是经常访问的对象， 一般都是将数据访问对象放在BaseControl.cs

C# code

 protected MyContext db = new MyContext ();

        protected override void Dispose(bool disposing)
        {
            db.Dispose();
       ……