1.错误现象 SQL> grant sysdba to test;grant sysdba to test*ERROR at line 1:ORA-01994: GRANT failed: password file missing or disabled SQL> ho oerr ora 0199401994, 00000, "GRANT failed: password file missing or disabled"// *Cause: The operation…
Validation failed for one or more entities. See ‘EntityValidationErrors’解决方法 You can extract all the information from the DbEntityValidationException with the following code (you need to add the namespaces: System.Data.Entity.Validation and System.Di…
Validation failed for one or more entities. See 'EntityValidationErrors' property for more details. 详细信息中没显示是哪个字段验证出错: Validation failed for one or more entities解决方法 复制内容到剪贴板程序代码 try{ Context.SaveChanges();}catch (DbEntityValidationException ex){ …
摘自:http://www.cnblogs.com/douqiumiao/default.aspx?opt=msg Validation failed for one or more entities. See ‘EntityValidationErrors’ property for moredetails. Unfortunately there is no further information about 关于如何查看 EntityValidationErrors 详细信息的解决方法 我…
日志中出现Entity Framework修改数据库时的错误: Validation failed for one or more entities. See 'EntityValidationErrors' property for more details. 从表面看不出来哪里错了,增加以下try...catch代码,捕获异常: try { // 数据库操作 } catch (DbEntityValidationException ex) { } 最终在ex.EntityValidation…
异常提示:Validation failed for one or more entities. See 'EntityValidationErrors' property for more details. 出现此异常的时候,我们知道是实体的赋值导致程序抛出异常,可是不知道是实体的哪个字段赋值导致. 尤其是在使用了EF的自动监测实体改变的保存之后. 如何根据爆出的异常对象,得到多的我们需要的信息呢? 1.调试程序.打断点. 2.走到抛出异常的地方 3.选中“ex”或随便选中什么,右键-快速监视…
