Entity framework 实体框架保存上下文

我有一个与

Scheduled

表到

TraffickingToScheduled

表具有1:1关系的外国参考。保存时，将抛出错误为

TraffickingToScheduled

参与

TraffickingToScheduled\u FK\u Scheduled

关系。找到0个相关的“已计划”。应为1

Scheduled

public static TraffickingToScheduled CreateTraffickingToScheduled(int ScheduledID, global::System.DateTime startDate, global::System.DateTime endDate, int originatingNetworkID, int showID, int seasonID, int episodeID, string ffDisable)
{
    TraffickingToScheduled traffickingToScheduled = new TraffickingToScheduled();
    traffickingToScheduled.ScheduledID = ScheduledID;
    traffickingToScheduled.StartDate = startDate;
    traffickingToScheduled.EndDate = endDate;
    traffickingToScheduled.OriginatingNetworkID = originatingNetworkID;
    traffickingToScheduled.ShowID = showID;
    traffickingToScheduled.SeasonID = seasonID;
    traffickingToScheduled.EpisodeID = episodeID;
    traffickingToScheduled.FFDisable = ffDisable;
    return traffickingToScheduled;
}
Context.AddToTraffickingToScheduleds(traffickingToScheduled);
Save();