相关疑难解决方法(0)

我的基本控制器类BaseController由面向公众的控制器继承,以访问具有LINQ-to-SQL的请求之间的共享数据上下文.

• 我是否通过将其存储在HttpContext.Current.Items每个HTTP请求中以高效和安全的方式访问我的数据上下文？

DataContextHelper 类

internal static class DataContextHelper
{
    public static MyDataContext CurrentContext
    {
        get
        {
            if (HttpContext.Current.Items["MyDataContext"] == null)
            {
                MyDataContext context = new MyDataContext();
                HttpContext.Current.Items["MyDataContext"] = context;
            }
            return (MyDataContext)HttpContext.Current.Items["MyDataContext"];
        }
    }
}

BaseController 类:

public class BaseController : Controller
{
    protected MyDataContext db
    {
        get {
            return DataContextHelper.CurrentContext;
        }
    }
}

HomeController 类:

[HandleError]
public class HomeController : BaseController // inherits db member
{
    public ActionResult SomeAction(string id)
    {
        User user = db.Users.First(u …