05 2013 档案
摘要:public partial class Employee { partial void OnCreated() { this._ExTable = new EntitySet<ExTable>(null, null); } private EntitySet<ExTable> _ExTable; [Association(Storage = "_ExTable", ThisKey = "EmployeeId", OtherKey = "EmployeeId")] publi...
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摘要:http://stackoverflow.com/questions/12424537/why-ienumerablet-is-defined-as-ienumerableout-t-not-ienumerabletThe out type parameter specifier denotes covariance.In practice,If I define two interfaces.ISomeInterface<T>{}ISomeCovariantInterface<out T>{}Then, I implement them like this.SomeC
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