本文整理汇总了C#中EntitySet.SetSource方法的典型用法代码示例。如果您正苦于以下问题:C# EntitySet.SetSource方法的具体用法?C# EntitySet.SetSource怎么用?C# EntitySet.SetSource使用的例子?那么, 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EntitySet
的用法示例。
在下文中一共展示了EntitySet.SetSource方法的11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: Add_ThenSetSourceIsInvalid
public void Add_ThenSetSourceIsInvalid()
{
var people = new EntitySet<Person>();
Assert.IsFalse(people.HasLoadedOrAssignedValues);
people.Add(new Person { FirstName = "A", LastName = "B" });
Assert.IsTrue(people.HasLoadedOrAssignedValues);
people.SetSource(new[]{
new Person { FirstName = "1", LastName = "2" }
});
}
示例2: Clear_DoesNotResetSource
public void Clear_DoesNotResetSource()
{
var people = new EntitySet<Person>();
Assert.IsFalse(people.HasLoadedOrAssignedValues);
people.Add(new Person { FirstName = "A", LastName = "B" });
Assert.IsTrue(people.HasLoadedOrAssignedValues);
people.Clear();
Assert.IsTrue(people.HasLoadedOrAssignedValues);
people.SetSource(new[]{
new Person { FirstName = "1", LastName = "2" },
});
}
示例3: Assign
public void Assign()
{
var people = new EntitySet<Person>();
people.SetSource(new[]{
new Person { FirstName = "A", LastName = "B" },
});
Assert.IsTrue(people.IsDeferred);
people.Load();
Assert.IsTrue(people.HasLoadedOrAssignedValues);
Assert.IsFalse(people.IsDeferred);
people.Assign(new[]{
new Person { FirstName = "1", LastName = "2" },
});
Assert.IsTrue(people.HasLoadedOrAssignedValues);
Assert.AreEqual(1, people.Count);
Assert.IsFalse(people.IsDeferred);
}
示例4: Contains_KillsDeferred
public void Contains_KillsDeferred()
{
var people = new EntitySet<Person>();
var p = new Person { FirstName = "A", LastName = "B" };
people.SetSource(new[]{
p
});
Assert.IsTrue(people.IsDeferred);
Assert.IsTrue(people.Contains(p));
Assert.IsFalse(people.IsDeferred);
}
示例5: SetSource_HasLoadedOrAssignedValues_Is_False_Until_Count
public void SetSource_HasLoadedOrAssignedValues_Is_False_Until_Count()
{
var people = new EntitySet<Person>();
people.SetSource(new[]{
new Person { FirstName = "1", LastName = "2" }
});
Assert.IsTrue(people.IsDeferred);
Assert.IsFalse(people.HasLoadedOrAssignedValues);
Assert.AreEqual(1, people.Count);
Assert.IsTrue(people.HasLoadedOrAssignedValues);
Assert.IsFalse(people.IsDeferred);
}
示例6: SetSource_ThenSetSourceIsValid
public void SetSource_ThenSetSourceIsValid()
{
var people = new EntitySet<Person>();
people.SetSource(new[]{
new Person { FirstName = "1", LastName = "2" }
});
Assert.IsTrue(people.IsDeferred);
people.SetSource(new[]{
new Person { FirstName = "A", LastName = "B" }
});
Assert.IsTrue(people.IsDeferred);
}
示例7: SetSource_EntitySourceCanBeNull
public void SetSource_EntitySourceCanBeNull()
{
var entities = new EntitySet<Person>();
entities.SetSource(null);
}
示例8: Remove
public void Remove()
{
var people = new EntitySet<Person>();
var events = new List<ListChangedEventArgs>();
people.ListChanged += (o, e) => events.Add(e);
people.SetSource(new[]{
new Person { FirstName = "(", LastName = ")" },
});
Assert.IsTrue(people.IsDeferred);
Assert.IsFalse(people.Remove(null));
AssertEqual(events);
events.Clear();
Assert.IsTrue(people.IsDeferred);
var p = people[0];
Assert.IsTrue(people.Remove(p));
Assert.IsFalse(people.IsDeferred);
Assert.AreEqual(0, people.Count);
AssertEqual(events,
new ListChangedEventArgs(ListChangedType.ItemDeleted, 0, -1));
}
示例9: ListChanged_WithSource
public void ListChanged_WithSource()
{
// When is ListChanged emitted?
// It's not always when you think it would be.
var people = new EntitySet<Person>();
var events = new List<ListChangedEventArgs>();
people.ListChanged += (o, e) => events.Add(e);
// This is also true if Enumerable.Empty<Person>() is used here.
people.SetSource(new[]{
new Person { FirstName = "(", LastName = ")" },
});
AssertEqual(events);
Assert.IsTrue(people.IsDeferred);
// *Initial* Add()/AddRange() is ignored.
people.Add(new Person { FirstName = "A", LastName = "B" });
people.AddRange(new[]{
new Person { FirstName = "1", LastName = "2" },
new Person { FirstName = "<", LastName = ">" },
});
Assert.IsTrue(people.HasLoadedOrAssignedValues);
Assert.IsTrue(people.IsDeferred);
AssertEqual(events);
events.Clear();
people.Clear();
AssertEqual(events,
new ListChangedEventArgs(ListChangedType.ItemDeleted, 0, -1),
new ListChangedEventArgs(ListChangedType.ItemDeleted, 0, -1),
new ListChangedEventArgs(ListChangedType.ItemDeleted, 0, -1),
new ListChangedEventArgs(ListChangedType.ItemDeleted, 0, -1),
new ListChangedEventArgs(ListChangedType.Reset, 0, -1));
Assert.IsFalse(people.IsDeferred);
// Add()/AddRange() after a Clear has events.
events.Clear();
people.Add(new Person { FirstName = "A", LastName = "B" });
people.AddRange(new[]{
new Person { FirstName = "1", LastName = "2" },
new Person { FirstName = "<", LastName = ">" },
});
AssertEqual(events,
new ListChangedEventArgs(ListChangedType.ItemAdded, 0, -1),
new ListChangedEventArgs(ListChangedType.ItemAdded, 1, -1),
new ListChangedEventArgs(ListChangedType.ItemAdded, 2, -1));
events.Clear();
var p = new Person { FirstName = "{", LastName = "}" };
people.Insert(1, p);
AssertEqual(events, new ListChangedEventArgs(ListChangedType.ItemAdded, 1, -1));
events.Clear();
Assert.IsTrue(people.Remove(p));
AssertEqual(events, new ListChangedEventArgs(ListChangedType.ItemDeleted, 1, -1));
events.Clear();
people.RemoveAt(0);
AssertEqual(events, new ListChangedEventArgs(ListChangedType.ItemDeleted, 0, -1));
events.Clear();
people[0] = p;
AssertEqual(events,
new ListChangedEventArgs(ListChangedType.ItemDeleted, 0, -1),
new ListChangedEventArgs(ListChangedType.ItemAdded, 0, -1));
}
示例10: Item_IsDeferredSourceLoaded
public void Item_IsDeferredSourceLoaded()
{
var people = new EntitySet<Person>();
people.SetSource(new[]{
new Person { FirstName = "A", LastName = "B" },
});
Assert.IsFalse(people.HasLoadedOrAssignedValues);
Assert.IsTrue(people.IsDeferred);
var p = people[0];
Assert.IsTrue(people.HasLoadedOrAssignedValues);
Assert.IsFalse(people.IsDeferred);
}
示例11: IndexOf_KillsDeferred
public void IndexOf_KillsDeferred()
{
var people = new EntitySet<Person>();
var p = new Person { FirstName = "A", LastName = "B" };
people.SetSource(new[]{
p
});
Assert.IsTrue(people.IsDeferred);
Assert.AreEqual(0, people.IndexOf(p));
Assert.IsFalse(people.IsDeferred);
}