本文整理汇总了C#中DatabaseContext.Entry方法的典型用法代码示例。如果您正苦于以下问题：C# DatabaseContext.Entry方法的具体用法？C# DatabaseContext.Entry怎么用？C# DatabaseContext.Entry使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DatabaseContext的用法示例。
在下文中一共展示了DatabaseContext.Entry方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Sandbox
public void Sandbox()
{
using (DatabaseContext ctx = new DatabaseContext())
{
ArrangementRepository repository = new ArrangementRepository(ctx);
var arrangement = repository.Add();
arrangement.Name = "Koops Furness";
arrangement.BpNumber = "123456789";
var arrangement2 = repository.Add();
arrangement2.Name = "H4";
arrangement2.BpNumber = "987654321";
var arrangementVersion1 = new ArrangementVersion();
arrangementVersion1.Version = 1;
arrangementVersion1.Status = VersionStatus.Editing;
var arrangementVersion2 = new ArrangementVersion();
arrangementVersion2.Version = 2;
arrangementVersion2.Status = VersionStatus.Archived;
arrangement.Versions.Add(arrangementVersion1);
arrangement.Versions.Add(arrangementVersion2);
ctx.SaveChanges();
}
using (DatabaseContext ctx = new DatabaseContext())
{
var arrangement = ctx.Set<Arrangement>().First();
Assert.AreEqual(2, arrangement.Versions.Count());
var av = ctx.ObjectContext.CreateObject<ArrangementVersion>();
av.Version = 33;
av.Status = VersionStatus.Published;
arrangement.Versions.Add(av);
ctx.SaveChanges();
av.Version = 333;
ctx.SaveChanges();
}
using (DatabaseContext ctx = new DatabaseContext())
{
int aantalversies = ctx.Set<Arrangement>().First().Versions.Count();
Assert.AreEqual(3, aantalversies);
}
using (DatabaseContext ctx = new DatabaseContext())
{
var arrangement = ctx.Set<Arrangement>().First(a => a.Id == 1);
var arrangement2 = ctx.Set<Arrangement>().First(a => a.Id == 2);
var versie = arrangement.Versions.First(av => av.Version == 1);
Assert.AreEqual(3, arrangement.Versions.Count);
versie.Arrangement = arrangement2;
Assert.IsFalse(arrangement.Versions.Any(v => v.Id == versie.Id));
Assert.IsTrue(arrangement2.Versions.Any(v => v.Id == versie.Id));
//arrangement.Versions.Remove(versie);
//arrangement2.Versions.Add(versie);
ctx.SaveChanges();
}
using (DatabaseContext ctx = new DatabaseContext())
{
Arrangement arrangement = ctx.Set<Arrangement>().First(a => a.Id == 1);
var entry = ctx.Entry<Arrangement>(arrangement);
Assert.AreEqual(EntityState.Unchanged, entry.State);
var temp1 = ctx.ChangeTracker.Entries().Single();
arrangement.Name = "Test 1234";
Assert.AreEqual(EntityState.Modified, entry.State);
var temp2 = ctx.ChangeTracker.Entries();
ctx.SaveChanges();
Assert.AreEqual(EntityState.Unchanged, entry.State);
}
//using (DatabaseContext ctx = new DatabaseContext())
//{
// var arrangement = ctx.Set<Arrangement>().First(a => a.Id == 2);
// ctx.Arrangements.Remove(arrangement);
// ctx.SaveChanges();
//}
}