這是我的代碼:ObjectContext的實例已經被佈置,同時結合
public class JobsRepository:BaseNewsletterRepository
{
public IEnumerable<Job> GetJobs()
{
var jobs = Newsletterctx.Jobs.Include("Info").OrderBy(o => o.JobID);
return jobs.AsEnumerable();
}
}
public class BusinessNewsletter
{
public static IEnumerable<Job> GetJobs()
{
using (JobsRepository jobsRepository = new JobsRepository())
{
return jobsRepository.GetJobs();
}
}
}
rptJobs.DataSource = BusinessNewsletter.GetJobs();
rptJobs.DataBind();
當我嘗試綁定我得到錯誤:
The ObjectContext instance has been disposed and can no longer be used for operations that require a connection.
是唯一的解決辦法,在BusinessNewsletter投並返回列表類?
public static IList<Job> GetJobs()
{
IList<Job> job;
using (JobsRepository jobsRepository = new JobsRepository())
{
job = jobsRepository.GetJobs().ToList();
}
return job;
}
另一個相關的問題:
我怎樣才能檢索和數據綁定到一箇中繼器,而無需指定特定類型(List<type>
或IEnumerable<type>
)
我需要它的情況下,我回到像特定對象這個:
var specificJob = from job in Newsletterctx.Jobs.Include("Info")
select new
{
ID = job.JobID,
EmailId = job.Info.PreparedEmailID
};
我必須爲那個對象創建特定的類嗎?
我有一個匿名類型的代碼完美工作... – Azimuth 2017-02-01 11:34:29