How solve Incompatible types error (E2010) with class casting in Delphi?

如何解决不兼容的类型错误(E2010)类铸件在德尔福吗？

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One-time die casting mold, the weight error is small, high efficiency.

模具一次性压铸成形，重量误差小，生产效率高。

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How to solve "LINQ to Entities only supports casting EDM primitive or enumeration types." error?

如何解决“实体LINQ支持铸造加工的原始或枚举类型。”错误？

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