验证实体集只能有一个针对该实体集且 Contains 设置为 true 的导航属性。
命名空间： Microsoft.Data.Edm.Validation
程序集： Microsoft.Data.Edm（在 Microsoft.Data.Edm.dll 中）
语法
声明
Public Shared ReadOnly EntitySetCanOnlyBeContainedByASingleNavigationProperty As ValidationRule(Of IEdmEntitySet)
用法
Dim value As ValidationRule(Of IEdmEntitySet)
value = ValidationRules.EntitySetCanOnlyBeContainedByASingleNavigationProperty
public static readonly ValidationRule<IEdmEntitySet> EntitySetCanOnlyBeContainedByASingleNavigationProperty
public:
static initonly ValidationRule<IEdmEntitySet^>^ EntitySetCanOnlyBeContainedByASingleNavigationProperty
static val EntitySetCanOnlyBeContainedByASingleNavigationProperty: ValidationRule<IEdmEntitySet>
public static final var EntitySetCanOnlyBeContainedByASingleNavigationProperty : ValidationRule<IEdmEntitySet>