如何在System.Web.Odata.Dll中发生类型'System.Invalidoperationexception'的异常但在用户代码中未处理附加信息:实体'Tbl_Employee(Mytablename)'... [英] How Do I An Exception Of Type 'System.Invalidoperationexception' Occurred In System.Web.Odata.Dll But Was Not Handled In User Code Additional Information: The Entity 'Tbl_Employee(Mytablename)'...

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问题描述

如何在System.Web.OData.dll中发生类型'System.InvalidOperationException'的异常,但未在用户代码中处理附加信息:实体'tbl_Employee(Mytablename)'没有定义键。

How do i An exception of type 'System.InvalidOperationException' occurred in System.Web.OData.dll but was not handled in user code Additional information: The entity 'tbl_Employee(Mytablename)' does not have a key defined.

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