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c# - 异常被抛出但未被捕获

我正在使用 Telerik OpenAccess ORM。当同一数据库记录发生并发更新时,有时会发生异常。我正在尝试捕获正在引发的异常错误:

当我调试时,我可以看到异常正在 Visual Studio 输出窗口中记录:

但是代码不会落入catch块中。任何想法为什么?