数据迁移时一直提示：
ReportTransfer.DAL.GlobalAccountCodeModel: : EntityType 'GlobalAccountCodeModel' has no key defined. Define the key for this EntityType.
GlobalAccountCodes: EntityType: EntitySet 'GlobalAccountCodes' is based on type 'GlobalAccountCodeModel' that has no keys defined.
按以下方式排查
1.定义KEY;
2.查证数据库连接是否成功；
然一百度，google,均无所获，最终发现一弱智错误，没有把key所在字段定义为public