RuntimeBinderException of C# anonymous type

RuntimeBinderException of C# anonymous type Anonymous types are more convenient to use in some scenarios. For example, a certain type will only be used once. At this time, it is meaningless to define a Class. It can be solved by using anonymous types, but when used across projects , still need to pay attention to avoid RuntimeBinderException problems Problem Description For example, we have a class library project of type netstandard2.0, which contains a method like this: public static class StandardClass { public static dynamic Get() { return new { prop1 = “hello”, prop2 = 12 }; } } Then add the following example code in a console project of type net6.0 using ClassLibrary1; try { var test = StandardClass. Get(); var prop1 = test.prop1; } catch (Exception e) { Console. WriteLine(e); throw; } At this time, when we try to run this console project to get the prop1 value, at this time, we will like to mention RuntimeBinderException Solution Because anonymous types default to Internal access level. This means that if the anonymous object is accessed through the Dynamic type in the same assembly, there is no problem, but if it crosses assemblies, RuntimeBinder will not be able to…

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